Suction device

Abstract

A suction device is provided, comprising a suction head (20), a suction container (12) for receiving suction material, a fan assembly (22) disposed on the suction head (20), and a channel assembly (96) associated with the fan assembly (22) for guiding process air to the suction head (20), wherein the channel assembly (96) has at least one first outlet (102) and a second outlet (104), and wherein the channel assembly (96) includes a first channel (106) associated with the first outlet (102) for conveying air to the first outlet (102), and a second channel (108) associated with the second outlet (104) for conveying air to the second outlet (104). The device includes a tube element (186a) with an adapter device (186), wherein the adapter device (186) is fluidly connected to or can be detachably fluidly connected to the suction port (34) of the suction device for performing a suction process, and the adapter device (186) is fluidly connected to or can be detachably fluidly connected to the first air outlet (102) for performing a blowing process, and wherein when the adapter device (186) is connected to the first air outlet (102) as specified, the air inlet (160) of the second channel (108) for conveying process air from the exhaust fan device (22) to the second air outlet (104) is closed by means of at least one wall element (189) of the adapter device (186).

Description

Technical Field

[0001] The present invention relates to a suction device, comprising a suction head, a suction container for receiving suction material, a fan device disposed on the suction head, and a channel device associated with the fan device for guiding process air toward the suction head, wherein the channel device has at least one first air outlet and a second air outlet, and wherein the channel device has a first channel associated with the first air outlet for delivering air to the first air outlet and a second channel associated with the second air outlet for delivering air to the second air outlet. Background Technology

[0002] A vacuum cleaner with a housing is known from DE 10 2004 013 063 A1. The housing includes a lower portion having a waste collection container, an upper portion that can be placed on the lower portion and accommodate a suction unit, and an arc-shaped handle supported on the lower portion in a manner pivotable about a swing axis. The arc-shaped handle is designed to be U-shaped and has a handle and two legs protruding from one side of the handle. Locking elements are arranged on the legs and the upper portion, which engage with each other from the rear when the arc-shaped handle is in a vertical orientation. At least one locking element is arranged on the legs and on the housing, spaced apart from the locking elements, such that these locking elements can be engaged with each other by pivoting the arc-shaped handle to its vertical position.

[0003] Further vacuum cleaners with a vacuum cleaner housing are known from printed documents WO 2018 / 057358 A1, CN 201847612 U, JP H0646974, WO 2010 / 092514 A1, EP 1656064 B1, US2005 / 0257340 A1, US 5339487A and EP 0935944 A1, respectively, wherein a bow-shaped handle is rotatably supported on the vacuum cleaner housing.

[0004] According to US2005 / 0050677 A1, a vacuum cleaner has a suction container, wherein the suction container is detachably connected to the suction head of the vacuum cleaner, and wherein the suction container has an arc-shaped handle that is supported in a swingable manner.

[0005] A vacuum cleaner is known from EP 3448218 B1, comprising a container, a suction unit, an air duct assembly, and an exhaust unit. The exhaust unit includes a collection chamber defining a substantially annular airflow volume, the collection chamber being concentric with the suction unit and positioned around one or more outlet openings of the suction unit to collect air and guide the collected air to an outlet opening of the collection chamber. The exhaust unit also includes two opposing exhaust channels, each of which surrounds a respective section of the collection chamber and has an inlet end corresponding to the outlet opening of the collection chamber and a respective outlet end opposite to the inlet end for discharging air drawn in by the suction unit.

[0006] Vacuum cleaners have also been disclosed in US 4,809,394, US2002 / 0088103 A1, and DE 602 00 858T2. Summary of the Invention

[0007] The objective of this invention is to provide the suction device described at the beginning, which can be used versatilely in a compact implementation and can be operated comfortably.

[0008] According to the present invention, this task is achieved in the suction device described at the beginning by the following method: the suction device includes a tubular element having an adapter device, wherein the adapter device is fluidly and detachably connected to the suction port of the suction device for performing a suction process, and the adapter device is fluidly and detachably connected to a first outlet for performing a blowing process, wherein when the adapter device is connected to the first outlet as specified, the inlet opening of the second channel for conveying process air from the exhaust fan device to the second outlet is closed by means of at least one wall element of the adapter device. For performing the suction process, the adapter device is connected to the suction port, and the process air is coupled out not only through the first outlet but also through the second outlet, wherein for performing the blowing process, the adapter device is connected to the first outlet and the process air is coupled out through the first outlet.

[0009] This causes the process air to be blocked or released through the second outlet, depending on whether the adapter device is connected to the first outlet. If the adapter device is connected to the first outlet as specified, the process air is coupled out specifically only through the first outlet, whereby the process air is then coupled out of the suction head, particularly at an increased outflow velocity and / or at an increased pressure. This allows for, for example, effective blowing functionality to be achieved on the suction device.

[0010] If the adapter device separates from the first outlet, the second outlet is released. Process air is then coupled out of the suction head not only through the first outlet but also through the second outlet. Therefore, the airflow of the coupled process air is distributed across the first and second outlets, thereby reducing the outflow velocity and / or pressure of the coupled process air at either the first or second outlet. This reduces unwanted airflow to the operator of the suction equipment during operation.

[0011] Therefore, the suction device according to the invention can be used by the operator in a particularly diverse and comfortable manner.

[0012] When the adapter is disconnected from the first outlet, the second channel is completely released and / or completely opened. When the adapter is connected to the first outlet as specified, the second channel is completely blocked and / or completely closed, so that no process air can be coupled out via the second outlet.

[0013] In principle, it is also possible to achieve an intermediate state by means of an adapter device, in which the air intake opening of the second channel is at least partially released and / or partially opened.

[0014] In principle, it is also possible to close or open the air intake opening of the second channel using a nozzle element, which is, for example, arranged on the suction head or adapter device.

[0015] Alternatively, the air intake opening of the second channel can be closed or released by arranging an accessory element of the suction device inside the first channel. For example, the accessory element could be a nozzle element or slit nozzle used with the suction device, which can be arranged inside the first channel. If the accessory element is arranged inside the first channel, the air intake opening of the second channel is blocked by the accessory element.

[0016] Advantageously, the air inlet of the second channel can be located in the transition area between the connecting channel and the second channel of the channel assembly, wherein process air can be delivered from the exhaust fan assembly to the first channel and / or the second channel via the connecting channel. This allows for simple fluid separation between the second channel and the connecting channel.

[0017] Advantageously, when the adapter device is separated from the first air outlet, the air inlet of the second channel is released. For example, this automatically transitions to an operating mode in which process air is coupled out via the first and second air outlets when the operator separates the adapter device from the first air outlet, thus enabling more comfortable operation of the suction device.

[0018] Advantageously, at least one wall element of the adapter device may have a curved shape and / or at least one wall element may be located within a geometric cylindrical section. Thus, at least one wall element may be connected to the flexible element of the cylindrical section in a technically simple manner, thereby allowing the adapter device to be arranged or constructed on the flexible element of the cylindrical section in a technically simple manner.

[0019] Advantageously, the suction device includes a connecting device by means of which the adapter device can be detachably fixed and / or detachably locked onto the first air outlet.

[0020] In particular, the suction device may include a connecting device through which the adapter device can be detachably fixed and / or detachably locked onto the suction port.

[0021] In particular, it can be configured that at least one rib element for supporting and / or guiding the adapter device is arranged on the first air outlet and / or the first channel, and in particular, at least one rib element is oriented at least substantially parallel to the first longitudinal central axis of the first channel.

[0022] For example, when the adapter device is separated from the first air outlet, the second channel is in a fluid-acting connection inside the suction head with the connecting channel for supplying process air from the exhaust fan device to the first channel and / or the second channel.

[0023] For example, when the adapter device is connected to the first air outlet as specified, the second channel is fluid-tightly closed inside the suction head relative to the connection channel used to deliver process air from the exhaust fan device to the first channel and / or the second channel.

[0024] For example, when the adapter assembly is separated from the first outlet, the first channel is in fluid-acting connection with the connecting channel inside the suction head for delivering process air from the exhaust fan device to the first channel and / or the second channel.

[0025] For example, when the adapter device is connected to the first air outlet as specified, the first channel is in fluid-acting connection inside the suction head with the connecting channel for delivering process air from the exhaust fan device to the first channel and / or the second channel.

[0026] Furthermore, according to the present invention, the above-mentioned task is achieved in the suction device described at the beginning by such means that the minimum angle between the first longitudinal central axis of the first channel and the second longitudinal central axis of the second channel is at least 40° and / or at most 70°.

[0027] Therefore, the torque applied to the suction equipment and / or the suction head can be reduced during operation as process air is coupled out of the suction head. This reduces unwanted motion, and in particular, reduces unwanted rotational motion of the suction equipment during operation. This allows for the most comfortable possible operation of the suction equipment.

[0028] Thus, when the suction device has reduced static friction relative to the ground, for example because the ground is smooth or because the suction device is equipped with rollers for movement on the ground, the suction device can be used in a particularly comfortable manner, and in these cases, undesirable (rotational) movement caused by the coupling of process air can also be reduced in the suction device according to the invention.

[0029] Specifically, the minimum angle between the first longitudinal centerline of the first channel and the second longitudinal centerline of the second channel can be set to at least 50° and / or at most 60°. This can further reduce the torque acting on the suction equipment during process air coupling.

[0030] Advantageously, the minimum angle between the main flow direction of the process air guiding through the first channel and the main flow direction of the process air guiding through the second channel is at least 40° and / or at most 70°, and especially at least 50° and / or at most 60°.

[0031] For example, the first longitudinal central axis of the first channel and the second longitudinal central axis of the second channel are at least substantially located in a common plane, wherein the plane is oriented transversely to and in particular perpendicular to the longitudinal central axis and / or the height direction of the suction device.

[0032] For example, the main flow direction of the process air guiding through the first channel and the main flow direction of the process air guiding through the second channel are at least approximately in a common plane, wherein the plane is oriented transversely to and especially perpendicular to the longitudinal central axis and / or the height direction of the suction device.

[0033] For example, the outer contour of the first air outlet is at least roughly circular.

[0034] For example, the wall elements that define the airflow space of the first channel are at least segmented columnar and / or partial columnar.

[0035] Advantageously, the first and second air outlets are spaced apart from each other in the circumferential direction of the suction head, and in particular, the minimum distance between the first and second air outlets is at least 1 cm and / or at most 7 cm. This can further reduce the torque that occurs when process air is coupled out.

[0036] For example, the first midpoint of the outer contour of the first air outlet and the second midpoint of the outer contour of the second air outlet are at least approximately at the same height relative to the height direction of the suction device.

[0037] For example, at least the lower end of the first air outlet and the lower end of the second air outlet are at least approximately at the same height relative to the height direction of the suction device.

[0038] For example, the upper ends of the first air outlet and the upper ends of the second air outlet are at least approximately at the same height relative to the height of the suction device.

[0039] For example, the second outlet has a cross-section that is at least 10% larger than the first outlet, and particularly at least 15% larger, and particularly at least 20% larger. This causes the process air to be coupled out through the enlarged cross-section, thereby reducing the flow velocity and / or pressure of the coupled air.

[0040] For example, the outer contour of the second air outlet is basically rectangular.

[0041] For example, the outer contour of the second air outlet is at least segmented within a geometric rectangle.

[0042] For example, at least three of the four edge segments of the outer contour of the second air outlet are located within a geometric rectangle.

[0043] For example, the fourth edge segment of the outer contour of the second air outlet has a first part segment and a second part segment connected to the first part segment, wherein the second part segment is oriented laterally to the first part segment.

[0044] For example, at least one edge segment of the outer contour of the second air outlet is oriented laterally and, in particular, perpendicularly to the height direction of the suction device.

[0045] For example, the edge section of the second air outlet facing the outer contour of the first air outlet is composed of straight lines.

[0046] Advantageously, the first and second channels have fluidly separated or fluid-separable airflow spaces. Thus, the second channel can be fluidly separated from the first channel inside the suction head, thereby preventing, for example, process air from being coupled out through the second channel.

[0047] Advantageously, the flow cross-section of the first channel is at least approximately constant. For example, this allows for a technically simple connection between the adapter device and the first outlet.

[0048] Advantageously, the flow cross-section of the second channel widens towards the second outlet, and in particular, the flow cross-section of the second channel is largest at the end of the second channel facing the second outlet, and / or smallest at the end of the second channel away from the second outlet. This can reduce the flow velocity of the process air coupled out through the second channel.

[0049] In particular, the channel device can be configured to include a connecting channel for establishing a fluid connection between the output end of the exhaust fan device and the first and / or second air outlets, wherein air coupled from the suction head is divided or can be divided into the first and / or second channels via this connecting channel. Thus, for example, process air can be simultaneously supplied to the first and second channels for coupling.

[0050] For example, the connection channel is arranged inside the suction head.

[0051] For example, the connecting channel has a first portion region in which the flow cross-section of the connecting channel is at least approximately constant.

[0052] For example, the connecting channel has a second portion region connected to the first portion region, wherein the second portion region faces the first channel and / or the second channel, and wherein the flow cross-section of the connecting channel in the second portion region widens toward the first channel and / or the second channel, and in particular monotonically widens. Thus, for example, process air can be divided into the first channel and the second channel in a technically simple manner.

[0053] For example, a segmented enclosed exhaust fan unit connecting the channel.

[0054] For example, the connecting channel has a shape that bends toward the longitudinal central axis of the suction device, wherein the longitudinal central axis is oriented parallel to the height direction of the suction device.

[0055] For example, the connecting channel is arranged relative to the main flow direction of the air coupled from the exhaust fan device at the output end of the exhaust fan device and / or between the output channel and the first channel and / or the second channel.

[0056] For example, a transition zone for air is constructed at the output end of the exhaust fan device and / or between the output channel and the connection channel.

[0057] For example, the transition region for air formed at the output end of the exhaust fan and / or between the output channel and the connecting channel is constructed in such a way that the main flow direction of the air coupled from the exhaust fan is changed in the transition region, and in particular changed by at least approximately 180°. This further reduces the torque acting on the suction head when process air is coupled out.

[0058] In one embodiment, the suction device includes at least one air guiding element for distributing air coupled from the suction head to a first channel and a second channel, wherein the at least one air guiding element is arranged in or associated with a connecting channel. Distributing air to the first and second channels can be achieved in a technically simple manner using at least one air guiding element.

[0059] For example, at least one air guiding element is oriented laterally to the first channel.

[0060] For example, the minimum angle between the longitudinal centerline of at least one air guiding element and the first longitudinal centerline of the first channel is at least 20° and / or at most 50°, and especially at least 30° and / or at most 40°.

[0061] For example, at least one air guiding element has a shape that bends toward the longitudinal central axis of the suction device, wherein the longitudinal central axis is oriented parallel to the height direction of the suction device.

[0062] For example, at least one air guiding element is arranged in a portion and / or end region of the connecting channel facing the first channel and / or the second channel.

[0063] For example, an air guiding element and other air guiding elements spaced apart from the air guiding element are provided, wherein the air guiding element and the other air guiding elements are oriented at least substantially parallel to each other.

[0064] Advantageously, the midpoint and / or center of gravity of the exhaust fan assembly is arranged on a first side relative to a central plane extending through the longitudinal central axis and / or vertical direction of the suction device, while the connecting channels for conveying air from the exhaust fan assembly to the first and / or second air outlets are arranged, at least in sections, on a second side opposite to the first side relative to the central plane. This can further reduce the torque that occurs when process air is coupled out of the suction head.

[0065] For the same reason, it is advantageous that at least 60% and especially at least 80% of the cross-section of the connecting channel is located on the second side.

[0066] For the same reason, it is advantageous that the second outlet is arranged on the first side relative to the extension of the suction device through the longitudinal central axis and / or the central plane in the height direction of the suction device, while the first outlet is arranged on the second side opposite to the first side relative to the central plane.

[0067] For the same reason, it is advantageous that the first longitudinal central axis of the first channel is at least approximately parallel to the plane extending through the height direction of the suction device.

[0068] Advantageously, the suction port associated with the exhaust fan and / or the opening device for cooling air associated with the exhaust fan and / or the operating element device of the suction device are arranged on the first side of the suction device. Thus, the components of the suction device can be easily accessed by the operator and / or arranged on the suction device in a space-saving manner.

[0069] For the same reason, it is advantageous that the first air outlet and / or the second air outlet and / or the receiving area of ​​the suction device for receiving the cable and / or the cable holding device of the suction device are arranged on the second side of the suction device, which is away from the first side of the suction device.

[0070] In particular, the channel device and / or the first air outlet and / or the second air outlet can be arranged relative to the height of the suction device below the receiving area of ​​the suction device for accommodating the cable and / or below the cable holding device of the suction device.

[0071] Advantageously, the first and / or second air outlets are arranged and / or constructed on the suction head, and in particular, half of the first and / or second air outlets are arranged and / or constructed on the base element of the suction head, and the other half are arranged on the protective element of the suction head arranged on the base element, wherein the protective element is arranged above the base element in the height direction relative to the suction device. Thus, the suction head and / or suction head housing can be constructed in a technically simple manner.

[0072] In particular, the aspirate container and the suction head can be detachably connected. This allows the operator to separate the suction head from the aspirate container to empty it. The aspirate container can then be reattached to the suction head.

[0073] Advantageously, the suction port associated with the exhaust fan device is arranged and / or constructed on the suction container. This allows dirty air to be directly coupled into the suction container by the exhaust fan, where the dirty components in the air are discharged into the suction container and / or discharged to the filter unit. Clean air is then coupled into the suction head by the exhaust fan and discharged from the suction head via the outlet.

[0074] Advantageously, the suction head has a suction head housing, on which a first air outlet and / or a second air outlet are arranged and / or constructed.

[0075] In particular, it can be configured that the channel device is arranged in the internal space of the suction head, wherein the internal space is particularly limited by the suction head housing of the suction head.

[0076] Tubing elements are, for example, rigid and / or flexible. For instance, a tubing element is or includes a flexible hose element, such as the suction hose of a suction device.

[0077] In particular, the suction equipment can be set up and constructed as a wet / dry suction machine and / or a mobile suction machine and / or a stand-alone suction machine.

[0078] Process air is understood as air drawn in via the suction port of the suction device using an exhaust fan and subsequently coupled out via the outlet. In particular, process air should not be understood as air used to cool the exhaust fan device or related to the cooling air guiding device of the exhaust fan device.

[0079] The longitudinal centerline of the suction equipment should be understood as the longitudinal axis of the suction equipment oriented along its height. For example, the suction equipment is constructed with at least segmental rotational symmetry relative to the longitudinal centerline.

[0080] When the suction equipment is positioned as specified during operation, the longitudinal central axis and / or the height direction are at least approximately parallel to the direction of gravity.

[0081] The use of "up" or "down" and / or "upper part" or "lower part" to refer to components is always understood in relation to the height of the suction device, assuming that the suction device is positioned according to a specified method in operation (e.g., arranged on the floor using rollers).

[0082] Unless otherwise stated, “approximately” and “at least roughly” are understood to mean that the geometry deviates from the specified ideal geometry by an average of up to 10%, or that the values ​​and / or distances and / or angles deviate from the specified values ​​and / or distances and / or angles by up to 10%. For example, a percentage deviation of the geometry from the ideal geometry corresponds to an average deviation of the geometry’s width and / or length and / or height from the ideal geometry’s width and / or length and / or height. Attached Figure Description

[0083] The following description of preferred embodiments is provided to explain the invention in more detail in conjunction with the accompanying drawings.

[0084] in:

[0085] Figure 1 A perspective view of the suction device is shown from above and sideways, in which the bow of the suction device is...

[0086] The handle is in the second position, and therein, a retaining device for the suction device is arranged with

[0087] Connecting cables for the suction equipment;

[0088] Figure 2 Showing according to Figure 1 A perspective view of a suction device, in which the bow-shaped handle is in the first position.

[0089] In one position, and in which an adapter device is connected to the connection device of the suction device;

[0090] Figure 3 Showing according to Figure 1 A perspective view of the first side of the suction device, in which the bow-shaped handle...

[0091] The hand is in the first position;

[0092] Figure 4 Showing according to Figure 1 A side perspective view of the suction device, showing the bow-shaped handle.

[0093] In the first position, the adapter device is connected to the connecting device;

[0094] Figure 5 Showing according to Figure 1 A side perspective view of the suction device, wherein, in the holding device

[0095] The upper part is equipped with the connecting cables for the suction equipment;

[0096] Figure 6 Showing according to Figure 1 A perspective view of the second side of the suction device, wherein, while maintaining

[0097] The device is equipped with connecting cables for the suction equipment;

[0098] Figure 7 Show along according to Figure 6 A sectional view of the section along line 2-2;

[0099] Figure 8 Showing according to Figure 7 Detailed view of area A;

[0100] Figure 9 Showing according to Figure 1 A perspective view of the second side of the suction device, wherein, during suction...

[0101] An adapter device is arranged on the connection device of the equipment;

[0102] Figure 10 Show along according to Figure 9 A sectional view of the section along line 4-4;

[0103] Figure 11 As shown above, according to Figure 1 A perspective view of the suction device;

[0104] Figure 12 Show along according to Figure 11 A sectional view of the section along line 6-6;

[0105] Figure 13Show along according to Figure 11 A sectional view of the section along line 7-7;

[0106] Figure 14 Show along according to Figure 5 A sectional view of section 8-8, in which the bow-shaped handle is shown.

[0107] It is in the first position and connected to the suction equipment as specified.

[0108] Figure 15 Show along according to Figure 5 A sectional view of section 8-8, in which the bow-shaped handle is from...

[0109] Remove from the suction equipment;

[0110] Figure 16 As shown above, according to Figure 1 A partial cross-sectional view of the cover element of the suction device, which

[0111] In the middle, the bow-shaped handle is in the second position; and

[0112] Figure 17 A detailed perspective view of the cover element of the suction device is shown, in which the bow-shaped handle is positioned...

[0113] In the second position.

[0114] Identical or functionally equivalent elements are given the same reference numerals in all figures. Detailed Implementation

[0115] like Figures 1 to 17 The embodiment of the suction device shown and marked therewith 10 is a mobile suction machine and is implemented as a stand-alone facility. For example, suction device 10 is implemented as a dry / wet suction machine.

[0116] The suction device 10 includes a suction container 12 having a receiving space 14 for the suction material. The suction container 12 has a barrel-shaped construction and, for example, has a cylindrical shape.

[0117] The suction container 12 includes a bottom element 16 and a wall element 18 disposed on the bottom element 16 and defining the receiving space 14. For example, the wall element 18 has a columnar shape.

[0118] A suction head 20 is detachably mounted on the suction container 12, and is particularly removable. A fan device 22 is arranged on the suction head 20, which generates a suction flow when the suction device 10 is in operation. The fan device 22 includes a motor 24, particularly an electric motor, and a fan unit 26 (fan) driven by the motor 24.

[0119] The suction device 10 has a longitudinal central axis 28, wherein the suction device 10 is designed to be at least segmentally rotationally symmetrical with respect to the longitudinal central axis 28. For example, the aspirate container 12 and / or the suction head 20 are designed to be at least segmentally rotationally symmetrical with respect to the longitudinal central axis 28.

[0120] When the suction device 10 is positioned as specified during operation, the longitudinal central axis 28 is oriented at least approximately parallel to the direction of gravity 30.

[0121] In particular, the longitudinal central axis 28 of the suction device 10 should be understood as an axis oriented parallel to the height direction 32 of the suction device 10, wherein, for example, when the suction device 10 is positioned as specified in the operating state, the bottom element 16 is arranged at a lower height than the suction head 20 relative to the height direction 32 (i.e., arranged further down or on a lower gravitational potential).

[0122] The “upper” or “lower” and / or “upper” or “lower” components of the suction device 10 mentioned below are always understood relative to the height direction 32 of the suction device 10, assuming that the suction device 10 is positioned as specified in the operating state.

[0123] A suction port 34 is arranged on the suction container 12, spaced apart from and / or above the bottom 16. A suction airflow is coupled through the suction port to the suction head 20 via the suction fan device 22. The suction port 34 is equipped with a connecting device 36 for tubular elements of the suction device 10, wherein the connecting device 36 is, for example, at least partially arranged and / or constructed on the suction port 34.

[0124] Tubing elements are constructed, for example, rigidly and / or flexibly. For example, a tubing element is a flexible hose element, such as the suction hose of the suction device 10. For example, the suction process can be performed by an operator of the suction device 10 by means of the tubing element.

[0125] With the aid of the connecting device 36, a detachable fluid-operated connection can be established between the suction port 34 and the tubing element. To establish this detachable connection, the tubing element includes an adapter device.

[0126] The suction port 34 includes, for example, an opening 38, which is circular and is arranged on the suction container 12 spaced apart from and / or above the bottom 16. For example, the opening 38 is arranged or constructed on the wall element 18 of the suction container.

[0127] With the aid of the suction port 34 and the connecting device 36, a detachable fluid-acting connection can be established between the tubular element and the suction port 34. Thus, with the aid of the suction port 34, for example via the opening 38, a fluid-acting connection can be established between the tubular element and the receiving space 14 of the suction container 12.

[0128] In one embodiment, the suction container 12 is equipped with a support 40. The support 40 is, for example, annularly configured and has a receiving area 42 for the suction container 12. The receiving area 42 includes a support surface for the suction container 12, on which the suction container 12 can be placed. For example, the receiving area 42 is defined by a shoulder 43 of the support 40.

[0129] The support 40 includes rollers 44, and the support 40, in turn, allows the suction device 10 to move via the rollers. Alternatively, the support 40 may be provided with removable rollers, allowing the suction device 10 to slide on the floor with the support 40 when the rollers are retracted, or to move on the floor with the rollers when the rollers are removed, depending on the application.

[0130] The suction container 12 closes toward the upper side 46 of the suction container (in the direction away from the bottom element 16) through the lower side 48 of the suction head 20 arranged on the suction container 12.

[0131] Alternatively or additionally, the aspirate container 12 may be closed by a separate aspirate container cap (not shown).

[0132] The suction head 20 has a support area 50 through which the suction head can be supported on the suction container 12.

[0133] In order to fix the suction head 20 to the suction container 12, a fixing device 52 is provided. The fixing device includes, for example, one or more locking elements 54, which can lock the suction head 20 to the suction container 12.

[0134] The suction device 10 has a filter unit 56. The filter unit 56 is arranged between the receiving space 14 and the suction device 22 relative to the main flow direction 58 of the suction flow generated by the fan device 22.

[0135] The filter unit 56 has a clean side 60 facing the air inlet 62 of the exhaust fan unit 12 relative to the main flow direction 58; and a dirty side 64 facing the receiving space 14.

[0136] In the illustrated embodiment, the filter unit 56 is configured as a cartridge filter.

[0137] The filter unit 56 is detachably connected to the suction head 20 by means of a filter retainer 66. The filter retainer 66 is arranged, for example, below the inlet 62 of the exhaust fan unit 22 relative to the height direction 32.

[0138] The suction head 20 includes a suction head housing 68, which is configured, for example, as a surrounding housing and / or defines an internal space 70 of the suction head 20.

[0139] The suction head housing 68 includes a base element 72 that faces the receiving space 14 of the suction container 12. A lower side 48 is, for example, constructed on the base element 72.

[0140] A protective cover element 74, which is connected to the base element 72, is mounted on the base element 72 and has a suction head housing 68 attached to it. For example, a cover element 76 for the suction head housing 68 is constructed on the protective cover element 74.

[0141] For example, one or more attachment retaining elements 77 are arranged and / or constructed on the cover element 76 for retaining and / or supporting attachments to the suction device 10.

[0142] The cover element 76, for example, has an upper side 78. This upper side 78 may be provided and configured to accommodate a support surface for an attachment to the suction device 10. For example, the upper side 78 may have at least a segmented flat construction. For example, grooves for holding the attachment may be formed on the upper side 78.

[0143] For example, the upper side 78 forms the uppermost end side of the suction device 10 and / or the suction head housing 68.

[0144] For example, the protective cover element 74 is the upper housing element of the suction head housing 68. When the suction device 10 is positioned as specified in the operating state, the protective cover element 74 faces the operator of the suction device 10.

[0145] A fixing device 52 and / or a locking element 54 are arranged on the base element 72.

[0146] A retaining element 79 for a tubular component of the suction device 10, such as the suction hose of the suction device 10, is arranged on the suction head 20. For example, the retaining element 79 is arranged on the protective element 74 of the suction head housing 68.

[0147] An operating element device 82 is arranged on the first side 80 of the suction device 10 and / or the suction head housing 68, which is used to control the suction device 10 by an operator. With the aid of the operating element device 82, the functions of the suction device 10, such as the suction process or the blowing process of the suction device 10, can be controlled by the operator.

[0148] The exhaust fan unit 22 is equipped with a cooling air guiding device 84, which is arranged and / or constructed on the suction head 20. The cooling air guiding device 84 is used to guide cooling air to cool the exhaust fan unit 22 during operation.

[0149] The cooling air guiding device 84 includes a cooling air space 86 constructed within the internal space 70 of the suction head housing 68 between the shield element 74 and the fan assembly 22. This cooling air space 86 is fluidly connected to an opening device 88 constructed on the suction head housing 68. For example, the opening device 88 includes multiple openings and / or ventilation slits through which cooling air can be coupled into and / or out of the suction head housing 68.

[0150] The opening device 88 is, for example, constructed on the base element 72 of the suction head housing 68 and / or on the first side 80 of the suction head housing 68. For example, the opening device 88 is disposed on the suction head housing 68 at least at the height of the fixing device 52 relative to the height direction 32.

[0151] A holding device 92 for arranging the cable 94 of the suction device 10 and / or the suction head housing 68, which is away from the first side 80, is arranged on the second side 90. An outlet for a channel device 96 for guiding process air to the suction head 20 is also provided. The second side 90 is the side of the suction device 10 and / or the suction head housing 68 away from the first side 80 and / or the operating element device 82. For example, the first side 80 and the second side 90 are arranged on different sides of a plane extending through the longitudinal central axis 28.

[0152] Cable 94 is, for example, a connecting cable for supplying power to the suction device 10.

[0153] For example, cable 94 is guided outward from the internal space 70 of the suction head housing 68 through cable outlet 98, and can be accessed by the operator of the suction device 10 from there.

[0154] Cable outlet 98 is arranged and / or constructed on base element 72 of suction head housing 68, for example. For example, cable outlet 98 is arranged spaced apart from air outlet 101 of channel device 96 in circumferential direction 100 of suction device 10 and / or suction head housing 68, wherein circumferential direction 100 lies in a plane oriented perpendicular to longitudinal central axis 28.

[0155] For example, the cable outlet 98 is at least approximately the same height as the channel device 96 relative to the height direction 32.

[0156] The channel device 96 is used to guide process air into the internal space 70 of the suction head housing 68.

[0157] In particular, the channel device 96 is not configured to guide the cooling airflow. The cooling airflow is guided by means of the cooling air guide device 84 and / or by means of the opening device 88.

[0158] The air outlet 101 of the channel device 96 has a first air outlet 102 and a second air outlet 104. The first air outlet 102 and the second air outlet 104 are arranged and / or constructed on the suction head housing 68. For example, the first air outlet 102 and / or the second air outlet 104 are at least partially arranged and / or constructed on the base element 72 and / or the protective element 74. For example, the first air outlet 102 and / or the second air outlet 104 are each half arranged and / or constructed on the base element 72 and half on the protective element 74.

[0159] The channel device 96 includes a first channel 106 associated with the first air outlet 102 and a second channel 108 associated with the second air outlet 104. The first channel 106 allows process air to be coupled out from the internal space 70 of the suction head housing 68 to be delivered to the first air outlet 102. The second channel 108 allows process air to be coupled out from the internal space 70 to be delivered to the second air outlet 104.

[0160] The first channel 106 extends along the first longitudinal central axis 110, while the second channel 108 extends along the second longitudinal central axis 112. The first longitudinal central axis 110 and the second longitudinal central axis 112 are located at least substantially in a plane oriented transversely to and particularly perpendicular to the longitudinal central axis 28 of the suction device 10.

[0161] During the operation of the suction device 10, the main flow direction of the air flowing through the first channel 106 and / or the second channel 108 is generally parallel to the first longitudinal central axis 110 and / or the second longitudinal central axis 112.

[0162] The first longitudinal centerline 110 is oriented transversely to the second longitudinal centerline 112. For example, the minimum angle 114 between the first longitudinal centerline 110 and the second longitudinal centerline 112 is approximately 40° to 50°.

[0163] The first air outlet 102 is circularly formed and / or has a circularly formed outer contour 116. For example, the first air outlet 102 is constructed as a circular opening on the suction head housing 68, for example, on the base element 72 and / or the shield element 74.

[0164] The first channel 106 includes a flow space 118 for air, which is defined by a wall element 120 of the first channel 106. For example, the wall element 120 defines the flow space 118 in a plane oriented transversely to and particularly perpendicular to the longitudinal central axis 110 of the first channel 106.

[0165] The first channel 106 and / or wall element 120 have a columnar shape.

[0166] The flow cross section 122 of the flow space 118 of the first channel 106, oriented transversely to and especially perpendicular to the first longitudinal central axis 110, is at least approximately constant.

[0167] The first channel 106 and the second channel 108 are respectively arranged in the internal space 70 of the suction head housing 68.

[0168] The second air outlet 104 is substantially rectangular. The outer contour 124 of the second air outlet 104 has a first edge segment 126, a second edge segment 128 connected to the first edge segment 126, a third edge segment 130 connected to the second edge segment 128, and a fourth edge segment 132 connected to the third edge segment 130, wherein the fourth edge segment 132 is arranged between the third edge segment 130 and the first edge segment 126.

[0169] The first edge segment 126 and the third edge segment 130 are arranged opposite each other and are oriented transversely to, and in particular perpendicularly to, the longitudinal central axis 28 of the suction device 10. For example, the first edge segment 126 and the third edge segment 130 are at least substantially parallel to each other.

[0170] The second edge section 128 is arranged facing the first air outlet 102. In particular, the second edge section 128 extends at least substantially parallel to the longitudinal central axis 28 of the suction device 10.

[0171] The first edge segment 126, the second edge segment 128, and the third edge segment 130 are at least approximately located within a geometric rectangle.

[0172] The fourth edge segment 132 has a first portion segment 134 and a second portion segment 136 following the first portion segment 134. The first portion segment 134 is located between the third edge segment 130 and the second portion segment 136. The second portion segment 136 is located between the first portion segment 134 and the first edge segment 126.

[0173] The first section 134 is oriented, for example, at least substantially perpendicular to the third edge section 130 and / or parallel to the longitudinal central axis 28. The second section 136 is oriented, for example, transverse to the first section 134 and transverse to the first edge section 126.

[0174] The first air outlet 102 and the second air outlet 104 are arranged on the suction head housing 68 at a distance A1 from each other in the circumferential direction 100.

[0175] For example, the shortest distance A1 between the first air outlet 102 and the second air outlet 104 is approximately 1 cm to 7 cm. In particular, the shortest distance A1 corresponds to the shortest distance between the outer contour 116 of the first air outlet 102 and the outer contour 124 of the second air outlet 104, such as the shortest distance between the outer contour 116 and the second edge segment 128.

[0176] The outer contour 116 of the first air outlet 102 has a first midpoint 138, and the outer contour 124 of the second air outlet 104 has a second midpoint 140, wherein the first midpoint 138 is spaced apart from the second midpoint 140 in the circumferential direction 100 of the suction head housing 68.

[0177] The first intermediate point 138 and the second intermediate point 140 are at least approximately at the same height relative to the height direction 32.

[0178] The first air outlet 102 has a lower end portion 142 and an upper end portion 144 spaced apart from the lower end portion 142 in the height direction 32. The second air outlet 104 has a lower end portion 146 and an upper end portion 148 spaced apart from the lower end portion 146 in the height direction 32.

[0179] The lower end 142 of the first air outlet 102 and the lower end 146 of the second air outlet 104 are at least approximately at the same height relative to the height direction 32.

[0180] The upper end 144 of the first air outlet 102 and the upper end 148 of the second air outlet 104 are at least approximately at the same height relative to the height direction 32.

[0181] The second channel 108 includes an airflow space 149 defined by a first wall element 150 and a second wall element 152 spaced apart from the first wall element 150. The first wall element 150 and the second wall element 152 define the airflow space 149 in a plane oriented transversely to and in particular perpendicular to the longitudinal central axis 28 of the suction device 10.

[0182] In the height direction 32, the second channel 108 is limited by wall elements (not shown) arranged and / or constructed on the suction head housing 68.

[0183] The first wall element 150 is oriented transversely to the wall element 120 of the first channel 106. For example, the minimum angle between the first wall element 150 and the wall element 120 is approximately 40°. In particular, the first wall element is configured as a straight line and / or flat.

[0184] The first wall element 150 of the second channel 108 is arranged adjacent to the wall element 120 of the first channel 106. For example, the first wall element 150 and the second wall element 120 intersect at the ends or end regions of the first channel 106 and / or the second channel 108 away from the first air outlet 102 and / or the second air outlet 104.

[0185] The second wall element 152 has a curved shape, particularly a shape that curves toward the longitudinal central axis 28 of the suction device 10.

[0186] The flow cross section 154 of the second channel 108, oriented transversely to and particularly perpendicular to the second longitudinal central axis 112, increases toward the second outlet 104. For example, the flow cross section 154 corresponds to the shortest distance between the first wall element 150 and the second wall element 152.

[0187] The flow cross-section 154 of the second channel 108 is maximum, for example, at the end 156 of the second channel 108 facing the second outlet 104, and / or minimum at the end 158 of the second channel 108 away from the second outlet 104.

[0188] In the illustrated embodiment, the first air outlet 102 and / or the second air outlet 104 are each or include a unique opening. In principle, it is also possible that the first air outlet 102 and / or the second air outlet 104 each include multiple openings, wherein these openings are arranged, for example, in rows and / or columns. For example, the openings are arranged in the form of a grille and / or formed by a grille.

[0189] At the end 158 away from the second air outlet 104, the second channel 108 has an air inlet 160, which is arranged in the internal space 70 of the suction head housing 68.

[0190] The first channel 106 has an air inlet opening 164 at the end 162 away from the first air outlet 102.

[0191] By means of the air inlet opening 164 of the first channel 106 and the air inlet opening 160 of the second channel 108, the airflow coupled from the internal space 70 of the suction head housing 68 can be delivered to the first channel 106 or the second channel 108.

[0192] To transport the airflow to be coupled from the suction head housing 68 from the exhaust fan device 22 to the first air outlet 102 and / or the second air outlet 104, a connecting channel 166 is provided. This connecting channel is arranged in the main flow direction 168 of the airflow to be coupled between the output end 170 of the exhaust fan device 22 and the first air outlet 102 and / or the second air outlet 104. The connecting channel 166 is associated with the channel device 96.

[0193] The main flow direction 168 of the airflow to be coupled out is, for example, at least approximately, located in a plane oriented transversely and especially perpendicularly to the longitudinal central axis 28.

[0194] During the operation of the suction device 10, process air is drawn in via the suction port 34 and the input end 62 by means of the suction fan device 22 and is coupled out of the suction fan device 22 from the output end 170. A fluid connection is established inside the suction head housing 68, at the output end 170, between the first air outlet 102 and / or the second air outlet 104, via the connection channel 166.

[0195] It can be configured that the output end 170 of the exhaust fan device 22 is equipped with an output channel 172, which is arranged between the output end 170 and the connecting channel 166 relative to the main flow direction 168. For example, the flow cross-section of the output channel 172 is at least approximately constant.

[0196] The output channel 172 and / or the connecting channel 166 surround the fan assembly 22 in a plane that is transverse to and particularly perpendicular to the longitudinal central axis 28 of the suction device 10. The output channel 172 and / or the connecting channel 166 are particularly curved in shape, especially curved toward the longitudinal central axis 28 of the suction device 10.

[0197] For example, the connecting channel 166 surrounds the exhaust fan device 22 in a semi-circular shape.

[0198] Therefore, the main flow direction 168 of the airflow guided through the connecting channel 166 has a curved path, and in particular a path curved toward the longitudinal central axis 28 of the suction device 10.

[0199] The output channel 172 is positioned further inland than the connecting channel 166 relative to the lateral direction 174, which lies in a plane oriented laterally to and, in particular, perpendicular to the longitudinal centerline 28. (The lateral direction 174 is understood below as any direction emanating from the longitudinal centerline and lying in a plane oriented laterally to and, in particular, perpendicular to the longitudinal centerline 28, wherein only one of these directions is exemplarily indicated in the figures.)

[0200] It can be configured that a transition region 176 is formed between the output channel 172 and the connecting channel 166, and the transition region is used to realize the transition of airflow from the output channel 172 to the connecting channel 166.

[0201] For example, during the operation of the suction device 10, the main flow direction 168 changes direction by approximately 180° at the transition region 176.

[0202] The connecting channel 166 is established and constructed in such a way that the airflow to be coupled from the suction head 20 is divided and / or distributed to the first channel 106 and the second channel 108 via the connecting channel 166. For this purpose, one or more air guiding elements 178 may be arranged inside the connecting channel 166.

[0203] In the illustrated embodiment, two spaced-apart air guiding elements 178a and 178b are provided, with air guiding element 178b arranged further inland than air guiding element 178a relative to the lateral direction 174. In particular, air guiding elements 178a and 178b are oriented at least substantially parallel to each other.

[0204] The air guide element 178 is, for example, rib-shaped and / or constructed as ribs. For example, the air guide element 178 has a curved shape, and in particular has a shape that curves toward the longitudinal central axis 28 of the suction device 10.

[0205] Air guiding element 178 extends along longitudinal central axis 180. For example, the minimum angle 182 between longitudinal central axis 180 and first longitudinal central axis 110 of first channel 106 is approximately 30° to 40°.

[0206] For example, the longitudinal central axis 180 of the air guiding element 178 is at least substantially parallel to the first wall element 150 of the second channel 108.

[0207] The connecting channel 166 has a first portion region 183a in which the flow cross section 984 of the connecting channel 166 is at least substantially constant.

[0208] For example, the first portion region 183a is spatially the region facing the first side 80 of the suction device 10, and / or the first portion region 183a is arranged at least segmentally relative to the lateral direction 174 between the exhaust fan device 22 and the first side 80 of the suction device 10. Relative to the main flow direction 168, the first portion region 183a is the region after the output end 170 and / or the output channel 172.

[0209] The output channel 172 is spatially arranged relative to the lateral direction 174 between the exhaust fan device 22 and the first part of the connecting channel 166, region 183a.

[0210] The connecting channel 166 extends from a first portion region 183a into a second portion region 183b within the internal space 70 of the suction head housing 68, wherein the flow cross-section 984 of the connecting channel 166 within the second portion region 183b is wider than the flow cross-section 984 within the first portion region 183a.

[0211] For example, the flow cross-section 984 of the connecting channel 166 is maximized at the end region 183c of the second portion region 183b adjacent to the first channel 106 and / or the second channel 108.

[0212] For example, the flow cross-section 984 of the second portion region 183b of the connecting channel 166 is minimized at the end region 183d of the second portion region 183b of the connecting channel 166 facing the first portion region 183a.

[0213] The second part, region 183b, is, for example, a region facing the second side 90 in space and / or, for example, arranged in a segmental manner relative to the lateral direction 174 between the exhaust fan device 22 and the second side 90 of the suction device 10.

[0214] In particular, the second portion region 183b is the region facing the first channel 106 and / or the second channel 108. For example, the connecting channel 166 extends into the first channel 106 and / or the second channel 108 in the second portion region 183b.

[0215] Air guiding element 178 is arranged in the second portion region 183b of connecting channel 166 and / or spaced apart from the respective air intake openings 164 and / or 160 of the first channel 106 and / or the second channel 108.

[0216] In one embodiment, a connecting device 184 is provided for the first air outlet 102, the connecting channel being arranged and / or constructed, for example, at least partially, on the first air outlet 102 and / or the first channel 106. The connecting device 184 allows for a fluid-acting, detachable connection between the first air outlet 102 and the adapter device 186.

[0217] For example, one or more ribs 986 are arranged at the first air outlet 102 and / or the first channel 106 to support and / or guide the adapter device 186. With the aid of the ribs 986, the adapter device 186 can be arranged in a defined position on the first air outlet 102 and / or the first channel 106, and / or be guided into the first air outlet 102 and / or the first channel 106.

[0218] For example, the rib element 986 is oriented at least substantially parallel to the first longitudinal central axis 110 of the first air outlet.

[0219] The adapter device 186 is part of the tubular element 186a of the suction device 10 (in Figure 2 and Figure 4 (As specified in the text). For example, tube element 186a is a suction hose or part of the suction hose of suction device 10. Airflow can be coupled into tube element 186a, thereby enabling, for example, a blowing function by means of tube element 186a.

[0220] The suction device 10 includes a sealing device 185 associated with the second air outlet 104. The sealing device can occupy a first state and a second state. The sealing device 185 is configured such that, in the first state, process air is released from coupling through the second air outlet 104, and in the second state, process air is blocked from coupling through the second air outlet 104.

[0221] In the illustrated embodiment, the sealing device 185 can be controlled by means of the adapter device 186. When the adapter device 186 is separated from the connection device 184, the sealing device 185 occupies a first state, and when the adapter device 186 and the connection device 185 are connected as specified, it occupies a second state.

[0222] In particular, the adapter device 186 has a shape corresponding to the first air outlet 102 and / or the first channel 106. For example, the adapter device 186 can be introduced into the first channel 106 through the first air outlet 102, or arranged such that the first channel 106 is introduced into the adapter device 186.

[0223] For example, the adapter device 186 has a cylindrical shape. For example, an airflow space 187 is formed inside the adapter device 186.

[0224] When the adapter device 186 is connected to the connection device 184 as specified, the adapter device 186 is arranged, in particular, at least partially, in the internal space 70 of the suction head housing 68.

[0225] For example, adapter device 186 includes mechanical connecting element 188, such as a locking element, wherein a detachable connection can be established between adapter device 186 and connecting device 184 by means of connecting element 188.

[0226] The channel device 96 and / or the sealing device 185 are configured such that when the adapter device 186 is connected to the connecting device 184 as specified, the second channel 108 inside the suction head housing 68 is fluid-tightly closed relative to the connecting channel 166. In this case, the process air to be coupled out by means of the channel device 96 is coupled out only through the first channel 106 and the first air outlet 102.

[0227] When the adapter device 186 is separated from the connection device 184, the first channel 106 and the second channel 108 in the internal space 70 are fluidly connected to the connection channel 166, so that the process air can be coupled out through the first channel 106 and the first outlet 102, and also through the second channel 108 and the second outlet 104.

[0228] The sealing device 185 is equipped with a wall element that can occupy a first position in which the air inlet 160 of the second channel 107 is released and can occupy a second position in which the air inlet 160 is blocked by the wall element 189.

[0229] In the illustrated embodiment, a wall element associated with the sealing device 185 is constructed on the adapter device 186. When the adapter device 186 is connected to the connecting device 184 as intended, the air inlet 160 of the second channel 108 is blocked and / or closed by means of the wall element 189 of the adapter device 186. For example, the wall element 189 is thus arranged in the internal space 70 of the suction head housing 68 and / or covers the air inlet 160 (second positioning of the wall element 189).

[0230] When the adapter device 186 is separated from the connecting device 184, the air intake opening 160 is released (first positioning of the wall element 189).

[0231] The wall element 189 has, for example, the shape of a column and / or defines the airflow space 187 formed inside the adapter device 186.

[0232] In particular, the connecting device 184 for the first air outlet 102 is configured in the same type as the connecting device 36 for the suction port 34, so that, for example, the tube element 186a can be connected to the connecting device 36 for the suction port 34 in a detachable manner by means of the adapter device 186 via fluid action.

[0233] The midpoint 190 and / or center of gravity of the exhaust fan assembly 22 are arranged on the first side 194 relative to the extension of the suction device 10 through the central plane 192 of the longitudinal central axis 28. The connecting channel 166 is substantially arranged on the second side 196, wherein the second side 196 is opposite to the first side 194 relative to the central plane 192.

[0234] The first air outlet 102 is arranged on the second side 196 relative to the center plane 192, and the second air outlet 104 is arranged on the first side 194 relative to the center plane 192.

[0235] The suction device 10 includes an arc-shaped handle 202 supported on the suction head 20 in a swingable manner. The arc-shaped handle is arranged relative to the height direction 32 in the upper end region 204 of the suction device 10 and / or the suction head 20. For example, the arc-shaped handle 202 is U-shaped.

[0236] The bow-shaped handle 202 can be moved from the first position 203a (see...) Figure 2 Swing to the second position 203b (see Figure 1In the first position 203a, when the suction device 10 is positioned as specified in the operating state, the bow handle 202 is oriented approximately horizontally. In the second position 203b, the bow handle 202 is oriented approximately vertically.

[0237] In particular, when the bow handle is in the first position 203a, the bow handle 202 at least segmentally forms the outer contour of the suction head housing 68.

[0238] In the illustrated embodiment, the bow-shaped handle 202 is oriented at least substantially parallel to the upper side 78 of the cover element 76 in the first position 203a.

[0239] For example, in the second position 203b, the bow handle 202 is located at least approximately in the center plane (not shown) of the longitudinal central axis 28 extending through the suction device 10.

[0240] When the bow handle 202 is in the first position 203a, the upper region 205 of the bow handle 202 relative to the height direction 32 is at least approximately at the height of the upper side 78.

[0241] The bow-shaped handle 202 has a first leg element 206 and a second leg element 208, wherein the first leg element 206 and the second leg element 208 are connected to each other by means of a gripping element 210.

[0242] The first leg element 206 and the second leg element 208 are respectively connected to the suction head housing 68 via a swing joint 212. The swing joint 212 is arranged in the upper end region 204 of the suction head 20.

[0243] For example, the first leg element 206 and the second leg element 208 are connected to the suction head 20 in a swingable manner via a first swing joint 212a and a second swing joint 212b, respectively.

[0244] The oscillating joint 212 is arranged in the outer region 214 and / or edge region of the suction head housing 68 relative to the lateral direction 174, which lies in a plane oriented transversely to and particularly perpendicular to the longitudinal central axis 28. For example, the oscillating joint 212 is located at least substantially within the central plane (not shown) extending through the longitudinal central axis 28.

[0245] The outer region 214 and / or edge region should be understood as the region located outside the suction head housing 68 in a direction oriented transversely to and especially perpendicular to the longitudinal central axis 28.

[0246] The retaining device 92 is provided with a spatial receiving area 216, which is constructed on the outer side 218 of the suction head housing 68. When the bow handle 202 is in the first position 203a, the bow handle 202 is adjacent to and / or limits the receiving area 216.

[0247] The outer side 218 is understood as the side of the suction head housing 68 and / or the suction head 20 that is away from the internal space 70. In particular, the outer side 218 is the side facing the operator of the suction device 10.

[0248] The retaining device 92 and the receiving area 216 are arranged relative to the height direction 32 between the channel device 96 and the cover element 76.

[0249] The retaining device 92 and the receiving area 216 are specifically provided and configured to retain the cable 94 and / or partially receive, for example, the cable 94 in a coiled state.

[0250] In the first position 203a, the bow-shaped handle 202 surrounds the cover element 76 in a U-shape and / or semi-circle. The cover element 76 is further inward than the bow-shaped handle support 202 relative to the lateral direction 174.

[0251] For example, in the first position 203a, the bow-shaped handle 202 is adjacent to the cover element 76. For example, in the first position 203a, the grip element 210 is arranged on the second side 90 of the suction device 10.

[0252] The gripping element 210 allows the bow-shaped handle 202 to be swung by the operator from a first position 203a to a second position 203b (and vice versa). In the second position 203b, the gripping element 210 is arranged spaced apart from the upper side 78 of the suction head housing 68.

[0253] The gripping element 210 can be held and / or surrounded by an operator. For example, the suction device 10 can be held and / or moved by gripping the gripping element 210.

[0254] When the bow handle 202 is in the first position 203a, the gripping element 210 associated with the bow handle 202 has a spatial gripping area 220.

[0255] Thus, the gripping element 210 can be gripped and / or encircled by the operator in the first position 203a. When the operator grips the gripping element 210 in the first position 203a, the gripping area 220 is specifically used to accommodate the operator's hand and / or fingers.

[0256] In particular, the holding region 220 is at least partially constructed within the receiving region 216.

[0257] Furthermore, the gripping region 220 extends at least partially between the gripping element 210 and the outer side 218 of the suction head housing 68. For example, a section of the gripping region 220 extends between the gripping element 210 and the wall element 221 of the cover element 76 facing the gripping element 210. For example, the wall element 221 is oriented at least substantially parallel to or transverse to the longitudinal central axis 28 of the suction device 10.

[0258] When the bow handle 202 is in the first position 203a, an upper opening 222 is formed between the gripping element 210 of the bow handle 202 and the outer side 218 of the suction head housing 68. The upper opening 222 is accessible from above with respect to the height direction 32, and / or is arranged at least approximately at the height of the upper side 78 of the cover element 76 with respect to the height direction 32.

[0259] Furthermore, when the bow-shaped handle 202 is in the first position 203a, a first lateral opening 224 and a second lateral opening 226 spaced apart from the first lateral opening 224 in the circumferential direction 100 are formed between the gripping element 210 and the outer side 218. The first lateral opening 224 and the second lateral opening 226 are arranged on the second side 90 of the suction device 10 and / or accessible from the second side 90 of the suction device 10. The holding device 92 is arranged between the first lateral opening 224 and the second lateral opening 226.

[0260] In particular, the first lateral opening 224 and the second lateral opening 226 extend in a surface oriented transversely to and especially perpendicularly to the surface where the upper opening 222 is located.

[0261] For example, the first lateral opening 224 and the second lateral opening 226 extend between the bottom section 228 of the receiving area 216 and the gripping element 210 of the bow handle 202, which are constructed on the outer side 218 of the suction head housing 68.

[0262] For example, the upper opening 222 extends between the gripping element 210 and the wall element 221 of the cover element 76.

[0263] The bottom section 228 is constructed on the wall element 229 of the suction head housing 68, which is arranged in the height direction 32 between the channel device 96 and the receiving area 216. The holding device 92 is arranged on the wall element 229.

[0264] When the bow handle 202 is in the first position 203a, the receiving area 216 can approach, for example, the gripping element 210 for an operator's hand to hold, via the upper opening 222, the first lateral opening 224, and the second lateral opening 226.

[0265] A particularly flat abutment region 230 is constructed on the outer side 218 of the suction head housing 68, which at least partially abuts and / or transitions into the receiving region 216. In the first position 203a, the bow-shaped handle 202 rests at least partially on the abutment region 230.

[0266] The contact area 230 is not necessarily spatially continuous. In the example shown, the contact area 230 includes a first portion 230a for contacting the first leg element 206 of the bow handle 202 and a second portion 230b for contacting the second leg element 208. For example, the first portion 230a and the second portion 230b are arranged opposite each other on the suction head housing. For example, the first portion 230a and the second portion 230b are arranged on different and / or opposite sides of the cover element 76 of the suction head housing 68.

[0267] For example, the contact area 230 lies in a plane oriented transversely to, and particularly perpendicularly to, the longitudinal central axis 28. The contact area 230 extends between the pivot joint 212 and the receiving area 216 in the outer region 214 and / or edge region of the suction head housing 68.

[0268] For example, the abutment region 230 and / or the first portion region 230a and / or the second portion region 230b transition into a lateral segment 232 formed on the outer side 218, which defines the receiving region 216. This lateral segment 232 is oriented laterally to the abutment region 230 and / or the bottom segment 228. The lateral segment 232 is arranged between the bottom segment 228 and the abutment region 230.

[0269] For example, the minimum angle between the horizontal segment 232 and the bottom segment 228 is approximately 65°.

[0270] The retaining device 92 and the corresponding receiving area 216 are configured at least substantially symmetrically with respect to, for example, a plane that is mirror-symmetrical with respect to, a plane that is mirror-symmetrical with respect to, a plane that extends through the longitudinal central axis 28.

[0271] The retaining device 92 and the corresponding receiving area 216 are arranged relative to the lateral direction 174 in the outer region 214 and / or edge region of the suction head housing 68, wherein the retaining device 92 is arranged on the outer contour 234 of the suction head housing 68.

[0272] The outer contour 234 is a boundary line and / or boundary surface located outside the suction head housing 68 relative to the lateral direction 174, which is oriented, for example, in the circumferential direction 100. For example, the outer contour 234 has at least approximately a constant curvature and / or a constant radius of curvature.

[0273] For example, the outer contour 234 extends through the outer side 235 of the suction head housing 68 located in the outer region 214 and / or edge region, which are adjacent to the receiving region 216 in the circumferential direction 100.

[0274] The receiving area 216 is constructed as a recess relative to the outer contour 234.

[0275] The receiving area 216 extends inward from the outer contour 234 and / or from the retaining device 92 (towards the cover element 76 and / or towards the longitudinal central axis 28).

[0276] The retaining device 92 extends in the height direction 32 from the lower end 236 to the upper end 238 of the receiving area 216. For example, the bottom section 228 is at the height of the lower end 236, and the lateral section 232 extends between the lower end 236 and the upper end 238.

[0277] For example, the retaining device 92 is configured as or includes a hook element 239.

[0278] The retaining device 92 includes a second region 240 disposed in the upper end region 242 of the retaining device 92. The second region 240 is connected to a first region 244 of the retaining device 92, wherein the first region 244 is connected to the suction head housing 68.

[0279] For example, the second region 240 is connected to the first region 244 by means of a screw connection. For example, the first region 244 is integrally connected to the suction head housing 68.

[0280] The second region 240 protrudes beyond the first region in the lateral direction 174. For example, the second region 240 protrudes beyond the first region 244 in the lateral direction 174 toward the cover element 76 and / or toward the longitudinal central axis 28.

[0281] The retaining device 92 has a width B1, wherein the width direction is oriented in the circumferential direction 100 of the suction head housing 68. The width B1 is largest at the lower end 246 of the retaining device 92 and smallest at the upper end 248 of the retaining device 92.

[0282] The lower end 246 is located at the height of the lower end 236 of the receiving area 216, while the upper end 248 is located at the height of the upper end 238 of the receiving area 216.

[0283] The retaining device 92 has an upper end side 250, which is oriented at least substantially parallel to the abutment region 230. For example, the upper end side is at least substantially at the height of the abutment region 230 relative to the height direction 32. For example, the abutment region 230 and the upper end side 250 are at least substantially in the same plane.

[0284] For example, when the bow handle 202 is in the first position 203a, the grip element 210 of the bow handle 202 rests against the upper side 250. For example, the upper side 250 forms a contact area for the bow handle 202 and / or the grip element 210.

[0285] The retaining device 92 has an outer side 252 that is located away from the receiving area 216 and / or the longitudinal central axis 28. The outer side 252 is located, for example, in the outer contour 234.

[0286] It is possible to equip the bow handle 202 with a locking device 254, by means of which the bow handle 202 can be fixed and / or locked into and / or secured in the first position 203a. For example, the bow handle 202 can be fixed and / or locked into and / or secured to the retaining device 92 in the first position 203a by means of the locking device 254.

[0287] In one embodiment, the bow-shaped handle 202 is equipped with a spring device 256, which allows the bow-shaped handle 202 to move from a first position 203a to a second position 203b or vice versa in the direction of the spring force applied by the spring device 256. For example, the spring device 256 is arranged or constructed on at least one of the pivot joints 212.

[0288] The first swing joint 212a includes a journal element 258, which is arranged and / or constructed on the first leg element 206. When the bow handle 202 is positioned as intended on the suction device 10, the journal element 258 extends from the first leg element 206 toward the cover element 76 of the suction head 20. For example, the journal element 258 protrudes from the first leg element 206 toward the cover element 76.

[0289] For example, the first swing joint 212a and / or journal element 258 are arranged on the end 259 and / or end region of the bow handle 202 located on the cover element 76.

[0290] Furthermore, the first sway joint 212a includes a sleeve element 260 for rotatably supporting the journal element 258. For example, the journal element 258 can be received by means of the sleeve element 260 and / or the journal element 258 can be inserted into the sleeve element 260.

[0291] For example, journal element 258 can be arranged on sleeve component 260 and / or can be introduced into sleeve element 260 toward cover element 76.

[0292] Sleeve element 260 is arranged and / or constructed on cover element 76. For example, sleeve element 260 is constructed as a recess in wall element 262 of cover element 76 facing the first leg element 206 and / or journal element 258.

[0293] When the bow-shaped handle bracket 202 is in the first position 203a, the wall element 221, which is connected to the wall element 262, for example, in the circumferential direction 100, has a cover element 76 facing the grip element 220.

[0294] In the illustrated embodiment, the first oscillating joint 212a and the second oscillating joint 212b are configured in the same type.

[0295] With the aid of the first swing joint 212a and / or the second swing joint 212b, the bow handle 202 can swing about the swing axis 264 and / or the rotation axis, which is oriented, for example, transverse to and especially perpendicular to the longitudinal center axis 28 and / or the height direction 32.

[0296] In one embodiment, a limiting element 266 is provided that mates with the first swing joint 212a. When the bow handle 202 is in the second position 203b, the limiting element prevents the first leg element 206 from moving away from the cover element. Correspondingly, a limiting element 266 may be provided for the second swing joint 212b.

[0297] In the example shown, the limiting element 266 is arranged on the suction head 20 spaced apart from the cover element 76 and / or from the sleeve element 260. The limiting element 266 is arranged in region 268 located on the swing joint 212a.

[0298] For example, a limiting element 266 is arranged on a first portion of region 230a of the abutment region 230. For example, the limiting element 266 is configured as a raised portion.

[0299] The bow-shaped handle 202 includes an inner wall element 268 facing the cover element 76 and an outer wall element 270 away from the cover element 76. In particular, a journal element 258 is arranged on the inner wall element 268.

[0300] A gap 272 is provided between the inner wall element 268 and the outer wall element 270, which opens particularly toward the lower side 274 of the bow handle 202, wherein the lower side 274 faces the contact area 230 when the bow handle is in the first position 203a.

[0301] One or more ribs 276 are arranged in the gap 272, for example, between the inner wall element 268 and the outer wall element 270. For example, the ribs 276 are oriented transversely to and especially perpendicularly to the inner wall element 268 and / or the outer wall element 270.

[0302] The limiting element 266 is arranged in at least a section in the gap 272, and / or at least in a section between the inner wall element 268 and the outer wall element 270.

[0303] When the bow handle 202 is in the second position 203b, the limiting element 266 is arranged between the outer wall element 270 and the stop element 278. The stop element 278 can abut against the limiting element 266 and thereby prevent the first leg element 206 from moving away from the cover element 76 when the bow handle 202 is in the second position.

[0304] When the bow handle 202 is in the second position 203b, the first leg element 206 is prevented from moving away from the cover element 76 by the combined action of the limiting element 266 and the stop element 278. This prevents the journal element 258 from moving out of the sleeve element 260 in the second position 203b.

[0305] The stop element 278 can swing and / or rotate relative to the limit element about the swing axis 267, thereby enabling the bow handle 202 to move from the second position 203b to the first position 203a.

[0306] For example, a stop element 278 is arranged in the gap 272 between the outer wall element 270 and the inner wall element 268. For example, the stop element 278 is arranged on a rib element 276a, which is oriented transversely to and particularly perpendicularly to the inner wall element 268 and / or the outer wall element 270. The stop element 278 is oriented transversely to and particularly perpendicularly to the rib element 276a, for example.

[0307] It can be configured such that a recess 280 is constructed on the rib element 276a, wherein when the bow handle 202 moves from the second position 203b to the first position 203a, the limiting element 266 is at least segmentally guided through or can be guided through the recess 280.

[0308] In the first position 203a, the limiting element 266 and the stop element 278 are arranged spaced apart. Thus, the stop element 278 can move relative to the limiting element 266, and especially without being hindered by the limiting element 266. For example, in the first position 203a, the bow handle 202 can move between a first position and a second position, in which the limiting element 266 rests against the outer wall element 270, and in the second position, the limiting element 266 rests against the inner wall element 268 (see...). Figure 14 and Figure 15 ).

[0309] In the first positioning, the journal element 258 is arranged within the sleeve element 260. In the second positioning, the journal element 258 is arranged outside the sleeve element 260. Thus, the bow handle 202 can be tool-free mounted to and / or removed from the suction head 20 in the first position 203a.

[0310] The suction device according to the present invention operates as follows:

[0311] To perform a suction process using the suction device 10, the operator connects, for example, the suction hose of the suction device 10 to the suction port 34. The operator then starts the suction device 10, for example, via the operating element device 82. The corresponding parameters of the suction process can be controlled by the operator via the operating element device 82.

[0312] With the help of the exhaust fan device 22, the (dirty) process air is coupled into the receiving space 14 of the suction container 12 through the suction port 34.

[0313] The contaminated portion of the coupled process air is discharged into the containment space 14 of the suction container 12 and / or discharged to the dirty side 64 of the filter unit 56.

[0314] Clean process air is coupled into the exhaust fan unit 22 via the clean side 60 of the filter unit 56. The process air is then coupled out of the suction head 20 via the first outlet 102 and the second outlet 104 through the channel device 96.

[0315] To empty the suction container 12, the fixing device 52 is opened, and then the suction head 20 is lifted upward from the suction container 12 using the bow handle 202. For this purpose, the operator moves the bow handle 202 to the second position 203b. After emptying the suction container 12, the suction head 20 is placed back onto the suction container 12 using the bow handle 202 and secured to the suction container using the fixing device 52.

[0316] In order to perform the blowing process with the help of the suction device 10, the suction hose is connected to the connection device 184 of the first air outlet 102 via the adapter device 186.

[0317] Therefore, the sealing device 185 transitions from the first state to the second state, thereby preventing process air from being coupled out of the suction head 20 through the second outlet 104. Then, the process air is coupled out via the first outlet 102, and in particular only via the first outlet 102.

[0318] Thus, process air is coupled into the suction hose and then coupled out again at one end of the suction hose, allowing the operator to use the blowing function via the suction hose.

[0319] To store the suction device 10, the suction hose can be detached from the suction port 34 and / or the connection device 184. For example, the suction hose can be secured and / or supported on the suction head 20 by means of the retaining element 79.

[0320] The cable 94 of the suction device 10 can be held and / or supported on the suction head 20 by means of the retaining device 92 and the receiving area 216 corresponding to the retaining device 92.

[0321] To position the cable 94 within the receiving area 216, the operator moves the bow handle 202 to the second position 203b, thereby allowing access from above to the receiving area 216 on the suction head 20 (see, for example, [reference needed]). Figure 1 In this state, cable 94 can be arranged in receiving area 216, and, for example, coiled and / or arranged as a loop.

[0322] Subsequently, the operator moves the bow handle 202, for example, to a first position 203a, thereby abutting the bow handle 202 against the receiving area 216. In this position, the bow handle 202 prevents outward movement of the cable 94 arranged in the receiving area 214 in the upward direction and in the lateral direction 174 (see, for example). Figure 2 ).

[0323] To remove cable 94 from receiving area 216, the operator moves the bow handle from first position 203a to second position 203b, thereby enabling cable 94 to be removed upwards from receiving area 216 (see, for example, [reference needed]). Figure 1 ).

[0324] To remove the bow handle 202 without tools, the bow handle is moved to the first position 203a. The first leg element 206 is pushed outward by the operator away from the cover element 76 until the limit element 266 abuts against the inner wall element 268 and / or until the journal element 258 is removed from the sleeve element 260 (see...). Figure 15 Subsequently, with the journal element 258 decoupled, the first leg element 206 can be moved upward away from the suction head. As the first leg element 206 is decoupled, the second leg element 208 is also moved upward, thereby removing the bow handle 202 from the suction head 20. For tool-free assembly, the above steps are performed in reverse order.

[0325] List of reference numerals

[0326] A1 Distance

[0327] B1 width

[0328] 10. Suction equipment

[0329] 12 Suction container

[0330] 14. Capacity

[0331] 16 Bottom Components

[0332] 18 wall components

[0333] 20 suction heads

[0334] 22 Exhaust fan unit

[0335] 24 motors

[0336] 26 Fan Units

[0337] 28. Longitudinal centerline

[0338] 30. Gravity direction

[0339] 32. Height direction

[0340] 34 Suction Interface

[0341] 36 Connecting device

[0342] 38 Opening

[0343] 40 supports

[0344] 42 Accommodation Area

[0345] 43 shoulder

[0346] 44 rollers

[0347] 46. ​​Suction container lid

[0348] 48. Lower side

[0349] 50 Support Area

[0350] 52 Fixing device

[0351] 54. Locking components

[0352] 56 filter units

[0353] 58. Main flow direction

[0354] 60 Clean side

[0355] 62 input terminals

[0356] 64. Visceral side

[0357] 66 Filter Holder

[0358] 68 Suction head housing

[0359] 70 Interior Space

[0360] 72 Base components

[0361] 74 Protective Components

[0362] 76 Cover Components

[0363] 77. Accessory retaining element

[0364] 78 upper side

[0365] 79 Holding element

[0366] 80 First side

[0367] 82 Operating element device

[0368] 84 Cooling air guiding device

[0369] 86 Cooling air space

[0370] 88 Opening device

[0371] 90 Second side

[0372] 92 Holding device

[0373] 94 Cable

[0374] 96-channel device

[0375] 98 Cable Export

[0376] 100 circumferential direction

[0377] 101 Air outlet

[0378] 102 First air outlet

[0379] 104 Second air outlet

[0380] 106 First Passage

[0381] 108 Second Channel

[0382] 110 First longitudinal centerline

[0383] 112 Second longitudinal centerline

[0384] 114 angle

[0385] 116 Outer contour

[0386] 118 Flow Space

[0387] 120 wall element

[0388] 122 Flow cross section

[0389] 124 Outer contour

[0390] 126 First edge section

[0391] 128 Second edge section

[0392] 130 Third edge section

[0393] 132 Fourth edge section

[0394] 134 Section 1

[0395] 136 Section 2

[0396] 138 First Midpoint

[0397] 140 Second Midpoint

[0398] 142 Lower end

[0399] 144 Upper end

[0400] 146 Lower end

[0401] 148 Upper end

[0402] 149 Flowing Space

[0403] 150 First wall element

[0404] 152 Second wall element

[0405] 154 Flow cross section

[0406] 156 end

[0407] 158 end

[0408] 160 air intake opening

[0409] 162 end

[0410] 164 air intake opening

[0411] 166 Connection Channel

[0412] 168 Main flow direction

[0413] 170 Output Terminal

[0414] 172 output channels

[0415] 174 Lateral direction

[0416] 176 Transition Zone

[0417] 178 Air Guiding Components

[0418] 178a Air Guiding Element

[0419] 178b Air Guiding Element

[0420] 180° longitudinal centerline

[0421] 182 degrees

[0422] 183a Part 1 Area

[0423] 183b Part Two Area

[0424] 183c end region

[0425] 183d end region

[0426] 984 Flow cross section

[0427] 184 Connecting Device

[0428] 185 Enclosure Device

[0429] 186 Adapter Device

[0430] 986 rib component

[0431] 186a tube components

[0432] 187 Flow Space

[0433] 188 Connecting Components

[0434] 189 wall components

[0435] 190 Midpoint

[0436] 192 Central Plane

[0437] 194 First Side

[0438] 196 Second side

[0439] 202 Bow-shaped handle

[0440] 203a First Position

[0441] 203b Second Position

[0442] 204 Upper end area

[0443] 205 Upper Area

[0444] 206 First leg component

[0445] 208 Second Leg Component

[0446] 210 Grip element

[0447] 212 Swing joint

[0448] 212a First Swing Joint

[0449] 212b Second Swing Joint

[0450] 214 External Area / Edge Area

[0451] 216 Accommodation Area

[0452] 218 Outer side

[0453] 220 Grip Area

[0454] 221 Wall element

[0455] 222 Upper opening

[0456] 224 First lateral opening

[0457] 226 Second lateral opening

[0458] 228 Bottom Section

[0459] 229 Wall Components

[0460] 230 Adhesion Area

[0461] 230a Part 1 Area

[0462] 230b Part Two Area

[0463] 232 Lateral Section

[0464] 234 Outer contour

[0465] 235 Outer side

[0466] 236 Lower end

[0467] 238 Upper end

[0468] 239 Hook Components

[0469] 240 Second Zone

[0470] 242 Upper end region

[0471] 244 First Area

[0472] 246 Lower end

[0473] 248 Upper end

[0474] 250 Upper side

[0475] 252 Outer side

[0476] 254 Locking device

[0477] 256 Spring device

[0478] 258 journal element

[0479] 259 end

[0480] 260 sleeve element

[0481] 262 Wall Components

[0482] 264 Oscillation axis

[0483] 266 Limiting element

[0484] 268 Inner wall components

[0485] 270 External wall components

[0486] 272 gap

[0487] 274 Lower side

[0488] 276-rib component

[0489] 276a rib element

[0490] 278 Stop element

[0491] 280 recess

Claims

1. A suction device comprising a suction head (20), a suction container (12) for receiving suction material, a fan assembly (22) disposed on the suction head (20), and a channel assembly (96) associated with the fan assembly (22) for guiding process air on the suction head (20), wherein, The channel device (96) has at least one first air outlet (102) and a second air outlet (104), and wherein the channel device (96) includes a first channel (106) associated with the first air outlet (102) for conveying air to the first air outlet (102) and a second channel (108) associated with the second air outlet (104) for conveying air to the second air outlet (104), characterized in that it has a tube element (186a) with an adapter device (186), wherein the adapter device (186) is fluidly connected in a detachable manner to or can be fluidly connected to the suction interface (34) of the suction device for performing a suction process, and the adapter device (186) is detachably connected to the first air outlet (102). The adapter device (186) is fluidly connected to perform a blowing process, wherein when the adapter device (186) is connected to the first outlet (102) as specified, the air inlet (160) of the second channel (108) for conveying process air from the exhaust fan device (22) to the second outlet (104) is closed by means of at least one wall element (189) of the adapter device (186), wherein, in order to perform a suction process, the adapter device (186) is connected to the suction interface (34) and the process air is coupled out not only through the first outlet (102) but also through the second outlet (104), and wherein, in order to perform a blowing process, the adapter device (186) is connected to the first outlet (102) and the process air is coupled out through the first outlet (102).

2. The suction device according to claim 1, characterized in that, The air inlet (160) of the second channel (108) is arranged in the transition area between the connecting channel (166) of the channel device (96) and the second channel (108), wherein process air can be delivered from the exhaust fan device (22) to the first channel (106) and / or the second channel (108) via the connecting channel (166).

3. The suction device according to claim 1 or 2, characterized in that, When the adapter device (186) is separated from the first air outlet (102), the air inlet (160) of the second channel (108) is released.

4. The suction device according to claim 1 or 2, characterized in that, At least one wall element (189) of the adapter device (186) has a curved shape and / or the at least one wall element (189) is located in a geometric column section.

5. The suction device according to claim 1 or 2, characterized in that... It has a first connecting device (184) by means of which the adapter device (186) can be detachably fixed and / or detachably locked to the first air outlet (102), and / or is characterized by having a second connecting device (36) by means of which the adapter device (186) can be detachably fixed and / or detachably locked to the suction port (34).

6. The suction device according to claim 1 or 2, characterized in that, At least one rib element (986) for supporting and / or guiding the adapter device (186) is arranged on the first air outlet (102) and / or the first channel (106).

7. The suction device according to claim 1 or 2, characterized in that... It has at least one of the following characteristics: - When the adapter device (186) is separated from the first air outlet (102), the second channel (108) is in fluid contact with the connecting channel (166) inside the suction head (20) for conveying process air from the exhaust fan device (22) to the first channel (106) and / or the second channel (108); - When the adapter device (186) is connected to the first air outlet (102) as specified, the second channel (108) is fluid-tightly closed inside the suction head (20) relative to the connecting channel (166) for conveying process air from the exhaust fan device (22) to the first channel (106) and / or the second channel (108); - When the adapter device (186) is separated from the first air outlet (102), the first channel (106) is in fluid contact with the connecting channel (166) inside the suction head (20) for conveying process air from the exhaust fan device (22) to the first channel (106) and / or the second channel (108); - When the adapter device (186) is connected to the first air outlet (102) as specified, the first channel (108) is in fluid-acting connection with the connecting channel (166) inside the suction head (20) for conveying process air from the exhaust fan device (22) to the first channel (106) and / or the second channel (108).

8. The suction device according to claim 1 or 2, characterized in that, The minimum angle between the first longitudinal centerline (110) of the first channel (106) and the second longitudinal centerline (112) of the second channel (108) is at least 40° and / or at most 70°.

9. The suction device according to claim 8, characterized in that, The minimum angle (114) between the first longitudinal centerline (110) of the first channel (106) and the second longitudinal centerline (112) of the second channel (108) is at least 50° and / or at most 60°.

10. The suction device according to claim 1 or 2, characterized in that, The minimum angle between the main flow direction (168) of the process air guided through the first channel (106) and the main flow direction (168) of the process air guided through the second channel (108) is at least 40° and / or at most 70°.

11. The suction device according to claim 1 or 2, characterized in that... It has at least one of the following characteristics: - The first longitudinal central axis (110) of the first channel (106) and the second longitudinal central axis (112) of the second channel (108) are at least substantially located in a common plane, wherein the plane is oriented transversely to the longitudinal central axis (28) and / or the height direction (32) of the suction device; - The main flow direction of the process air guided through the first channel (106) and the main flow direction (168) of the process air guided through the second channel (108) are at least approximately in a common plane, wherein the plane is oriented transversely to the longitudinal central axis (28) and / or the height direction (32) of the suction device.

12. The suction device according to claim 1 or 2, characterized in that... It has at least one of the following characteristics: - The outer contour (116) of the first air outlet (102) is at least generally circular; - The wall element (120) of the first channel (106) that defines the airflow space (118) for the first channel (106) is at least segmented columnar and / or partially columnar.

13. The suction device according to claim 1 or 2, characterized in that, The first air outlet (102) and the second air outlet (104) are spaced apart from each other in the circumferential direction (100) of the suction head (20).

14. The suction device according to claim 1 or 2, characterized in that... It has at least one of the following characteristics: - The first midpoint (138) of the outer contour (116) of the first air outlet (102) and the second midpoint (140) of the outer contour (124) of the second air outlet (104) are at least approximately at the same height relative to the height direction (32) of the suction device; - The lower end (142) of the air outlet (102) and the lower end (146) of the second air outlet (104) are at least approximately at the same height relative to the height direction (32) of the suction device; - The upper end (144) of the first air outlet (102) and the upper end (148) of the second air outlet (104) are at least approximately at the same height relative to the height direction (32) of the suction device; - The second air outlet (104) has a cross-section that is at least 10% larger than that of the first air outlet (102).

15. The suction device according to claim 1 or 2, characterized in that... It has at least one of the following characteristics: - The outer contour (124) of the second air outlet (104) is basically rectangular; - The outer contour (124) of the second air outlet (104) is at least segmented within a geometric rectangle; - At least three of the four edge segments (126, 128, 130) of the outer contour (124) of the second air outlet (104) are located within a geometric rectangle; - The fourth edge segment (132) of the outer contour (124) of the second air outlet (104) has a first part segment (134) and a second part segment (136) connected to the first part segment (134), wherein the second part segment (136) is oriented laterally to the first part segment (134); - At least one edge segment (126, 128, 130, 132) of the outer contour (124) of the second air outlet (104) is oriented laterally to the height direction (32) of the suction device; - The outer contour (124) of the second air outlet (104) facing the first air outlet (102) has straight edge sections (126, 128, 130, 132) that are formed by straight lines.

16. The suction device according to claim 1 or 2, characterized in that, The first channel (106) and the second channel (108) have airflow spaces (118; 149) that are fluidly separated from or capable of being fluidly separated from each other.

17. The suction device according to claim 1 or 2, characterized in that, The flow cross section (122) of the first channel (106) is at least approximately constant.

18. The suction device according to claim 1 or 2, characterized in that, The flow cross section (154) of the second channel (108) widens toward the second outlet (104).

19. The suction device according to claim 1 or 2, characterized in that, The channel device (96) includes a connecting channel (166) for establishing a fluid connection between the output end (170) of the exhaust fan device (22) and the first air outlet (102) and / or the second air outlet (104), wherein air to be coupled from the suction head (20) is divided or can be distributed to the first channel (106) and / or the second channel (108) via the connecting channel (166).

20. The suction device according to claim 19, characterized in that... It has at least one of the following characteristics: - The connecting channel (166) is arranged in the internal space (70) of the suction head (20); - The connecting channel (166) has a first partial region (183a) in which the flow cross section (984) of the connecting channel (166) is at least substantially constant; - The connecting channel (166) has a second portion region (183b) connected to the first portion region (183a), wherein the second portion region (183b) faces the first channel (106) and / or the second channel (108), and wherein the flow cross section (984) of the connecting channel (166) in the second portion region (183b) is widened toward the first channel (106) and / or the second channel (108); - The connecting channel (166) surrounds the exhaust fan device (22) in a segmented manner. - The connecting channel (166) has a shape that bends toward the longitudinal central axis (28) of the suction device, wherein the longitudinal central axis (28) is oriented along the height direction (32) of the suction device; - The connecting channel (166) is arranged between the output end (170) and / or the output channel (172) of the exhaust fan device (22) and the first channel (106) and / or the second channel (108) relative to the main flow direction (168) of the air coupled from the exhaust fan device (22); - A transition area (176) for air is constructed between the output end (170) and / or output channel (172) of the exhaust fan device (22) and the connection channel (166). - The transition region (176) for air formed between the output end (170) and / or output channel (172) of the exhaust fan device (22) and the connecting channel (166) is constructed in such a way that the main flow direction (168) of the air coupled from the exhaust fan device (22) changes direction in the transition region (176).

21. The suction device according to claim 19, characterized in that... It has at least one air guiding element (178) for distributing air to be coupled from the suction head (20) to the first channel (106) and the second channel (108), wherein the at least one air guiding element (178) is arranged in or associated with the connecting channel (166).

22. The suction device according to claim 21, characterized in that... It has at least one of the following characteristics: - The at least one air guiding element (178) is oriented laterally to the first channel (106); - The minimum angle (182) between the longitudinal central axis (180) of the at least one air guiding element (178) and the first longitudinal central axis (110) of the first channel (106) is at least 20° and / or at most 50°; - The at least one air guiding element (178) has a shape that bends toward the longitudinal central axis (28) of the suction device, wherein the longitudinal central axis (28) is oriented along the height direction (32) of the suction device; - The at least one air guiding element (178) is arranged in a portion (183b) and / or an end region (183c) of the connecting channel (166) facing the first channel (106) and / or the second channel (108); - An air guiding element (178a) and another air guiding element (178b) spaced apart from the air guiding element are provided, wherein the air guiding element (178a) and the other air guiding element (178b) are oriented at least substantially parallel to each other.

23. The suction device according to claim 1 or 2, characterized in that, The midpoint (190) and / or center of gravity of the exhaust fan device (22) are arranged on a first side of the central plane (192) relative to the longitudinal central axis (28) and / or the height direction (32) extending through the exhaust device, while the connecting channel (166) for conveying air from the exhaust fan device (22) to the first air outlet (102) and / or the second air outlet (104) is arranged at least in sections on a second side of the central plane (192) opposite to the first side of the central plane (192).

24. The suction device according to claim 23, characterized in that, At least 60% of the cross-sectional area of ​​the connecting channel (166) is located on the second side of the central plane (192).

25. The suction device according to claim 1 or 2, characterized in that, The second air outlet (104) is arranged on a first side of the central plane (192) about the central plane (192) extending through the longitudinal central axis (28) and / or height direction (32) of the suction device, while the first air outlet (102) is arranged on a second side of the central plane (192) opposite to the first side about the central plane (192).

26. The suction device according to claim 1 or 2, characterized in that, The first longitudinal central axis (110) of the first channel (106) is oriented at least substantially parallel to the plane of the height direction (32) extending through the suction device.

27. The suction device according to claim 1 or 2, characterized in that, A suction port (34) associated with the exhaust fan device (22) and / or an opening device (88) for cooling air associated with the exhaust fan device (22) and / or an operating element device (82) of the suction device are arranged on the first side of the suction device.

28. The suction device according to claim 1 or 2, characterized in that, The first air outlet (102) and / or the second air outlet (104) and / or the receiving area (216) of the suction device for receiving the cable (94) and / or the holding device (92) of the suction device for the cable (94) are arranged on the second side of the suction device, which is opposite to the first side of the suction device.

29. The suction device according to claim 1 or 2, characterized in that, The channel device (96) and / or the first air outlet (102) and / or the second air outlet (104) are arranged in the height direction (32) of the suction device below the receiving area (216) of the suction device for receiving the cable (94) and / or below the holding device (92) of the suction device for the cable (94).

30. The suction device according to claim 1 or 2, characterized in that, The first air outlet (102) and / or the second air outlet (104) are arranged and / or constructed on the suction head (20).

31. The suction device according to claim 1 or 2, characterized in that, The suction container (12) is detachably connected to the suction head (20).

32. The suction device according to claim 1 or 2, characterized in that, A suction port (34) associated with the exhaust fan device (22) is arranged and / or constructed on the suction container (12).

33. The suction device according to claim 1 or 2, characterized in that... A suction head housing (68) having the suction head (20) has a first air outlet (102) and / or a second air outlet (104) arranged and / or constructed on the suction head housing.

34. The suction device according to claim 1 or 2, characterized in that, The channel device (96) is arranged in the internal space (70) of the suction head (20).

35. The suction device according to claim 1 or 2, characterized in that, The suction device is set up and configured as a wet / dry suction machine and / or a mobile suction machine and / or a stand-alone suction machine.

36. The suction device according to claim 6, characterized in that, The at least one rib element (986) is oriented at least substantially parallel to the first longitudinal central axis (110) of the first channel (106).

37. The suction device according to claim 10, characterized in that, The minimum angle between the main flow direction (168) of the process air guided through the first channel (106) and the main flow direction (168) of the process air guided through the second channel (108) is at least 50° and / or at most 60°.

38. The suction device according to claim 11, characterized in that, The first longitudinal axis (110) of the first channel (106) and the second longitudinal axis (112) of the second channel (108) are at least substantially located in a common plane, wherein the plane is oriented perpendicular to the longitudinal axis (28) and / or the height direction (32) of the suction device.

39. The suction device according to claim 11, characterized in that, The main flow direction of the process air guided through the first channel (106) and the main flow direction (168) of the process air guided through the second channel (108) are at least approximately in a common plane, wherein the plane is oriented perpendicular to the longitudinal central axis (28) and / or the height direction (32) of the suction device.

40. The suction device according to claim 13, characterized in that, The minimum distance (A1) between the first air outlet (102) and the second air outlet (104) is at least 1 cm and / or at most 7 cm.

41. The suction device according to claim 14, characterized in that, The second air outlet (104) has a cross-section that is at least 15% larger than that of the first air outlet (102).

42. The suction device according to claim 14, characterized in that, The second air outlet (104) has a cross-section that is at least 20% larger than that of the first air outlet (102).

43. The suction device according to claim 15, characterized in that, At least one edge segment (126, 128, 130, 132) of the outer contour (124) of the second air outlet (104) is oriented perpendicular to the height direction (32) of the suction device.

44. The suction device according to claim 18, characterized in that, The flow cross section (154) of the second channel (108) is maximum at the end (156) of the second outlet (104) facing the second outlet (104), and / or minimum at the end (158) of the second channel (108) away from the second outlet (104).

45. The suction device according to claim 20, characterized in that, The connecting channel (166) has a second portion region (183b) connected to the first portion region (183a), wherein the second portion region (183b) faces the first channel (106) and / or the second channel (108), and wherein the flow cross section (984) of the connecting channel (166) in the second portion region (183b) widens monotonically toward the first channel (106) and / or the second channel (108).

46. ​​The suction device according to claim 20, characterized in that, The transition region (176) for air formed between the output end (170) and / or output channel (172) of the exhaust fan device (22) and the connecting channel (166) is constructed such that the main flow direction (168) of the air coupled from the exhaust fan device (22) is changed by at least about 180° in the transition region (176).

47. The suction device according to claim 22, characterized in that, The minimum angle (182) between the longitudinal centerline (180) of the at least one air guiding element (178) and the first longitudinal centerline (110) of the first channel (106) is at least 30° and / or at most 40°.

48. The suction device according to claim 22, characterized in that, An air guiding element (178a) and another air guiding element (178b) spaced apart from the air guiding element are provided, wherein the air guiding element (178a) and the other air guiding element (178b) are oriented parallel to each other.

49. The suction device according to claim 24, characterized in that, At least 80% of the cross-sectional area of ​​the connecting channel (166) is located on the second side of the central plane (192).

50. The suction device according to claim 30, characterized in that, The first air outlet (102) and / or the second air outlet (104) are respectively half arranged and / or constructed on the base element (72) of the suction head (20) and half arranged and / or constructed on the protective element (74) of the suction head (20) arranged on the base element (72), wherein the protective element (74) is arranged above the base element (72) in the height direction (32) of the suction device.

51. The suction device according to claim 34, characterized in that, The internal space (70) is bounded by the suction head housing (68) of the suction head (20).

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