235results about "Exhaust-air diffusion" patented technology

Assemblies and method to extract a material from a material source may include a vacuum and material collector assembly to enhance extraction of the material from the material source. The vacuum and material collector assembly may include a material collector comprising a high volume pressure vessel having an interior and a high-pressure vacuum source pneumatically coupled to the pressure vessel. The vacuum source is operable to generate a high-pressure vacuum of a fluid flow through the interior of the pressure vessel to extract the waste material from the waste material source into the interior of the pressure vessel. The vacuum source may be connected to the pressure vessel of the material collector to form a unified vacuum and material collector assembly which may be supported on a single mobile chassis.

Assemblies and method to extract a material from a material source may include a vacuum and material collector assembly to enhance extraction of the material from the material source. The vacuum and material collector assembly may include a material collector comprising a high volume pressure vessel having an interior and a high-pressure vacuum source pneumatically coupled to the pressure vessel. The vacuum source is operable to generate a high-pressure vacuum of a fluid flow through the interior of the pressure vessel to extract the waste material from the waste material source into the interior of the pressure vessel. The vacuum source may be connected to the pressure vessel of the material collector to form a unified vacuum and material collector assembly which may be supported on a single mobile chassis.

A vacuum cleaner includes a body, a suction source disposed in the body, a separator, and a post-motor filter. The body extends along a longitudinal axis between a front end and a rear end. A fluid flow path extends from a suction inlet to an air outlet. The suction source is configured to draw air and debris through the suction inlet along the fluid flow path. The suction source has a suction source inlet and a suction source outlet. The post-motor filter is disposed in the fluid flow path between the suction source outlet and the air outlet. The post-motor filter forms an aperture extending along the longitudinal axis. The post-motor filter is forward of the suction source. A first passageway extends from the separator to the suction source inlet. The first passageway extends through the aperture of the post-motor filter.

Disclosed is a vacuum cleaner, including a dust collecting barrel, a machine head, a first buckle and a second buckle, the dust collecting barrel and the machine head are detachably assembled together by the first buckle and the second buckle, the machine head is provided with a motor, an air inlet window, an air outlet window, a first silencing member and a second silencing member, the air inlet window and the air outlet window are located on left and right sides of the machine head, a heat dissipation airflow for the motor enters the machine head through the air inlet window and is exhausted out of the machine head through the air outlet window, and the heat dissipation airflow passes through the air inlet window, the first silencing member, an interior of the motor, the second silencing member and the air outlet window in sequence.

A motor assembly including a rotor rotatable about a rotating shaft; a stator formed as a continuous body and including multiple teeth areas, multiple body areas disposed outside of the multiple teeth areas and having a first width in a cross section of the stator in a direction perpendicular to a rotational axis of the rotating shaft, with the plurality of teeth areas extending from the plurality of body areas in a direction toward the rotating shaft, and multiple connection areas connecting multiple body areas; and a coil wound around each of the multiple teeth areas, wherein each of the multiple connection areas has a bending point having a second width in the cross section of greater than or equal to 0.05 and less than or equal to 0.25 of the first width, and is in contact with another connection area with reference to the bending point.

A portable work apparatus is designed as a vacuum and / or blower. It includes a housing (2) and a drive motor (3) arranged in the housing (2). A fan (4) has a spiral housing (5) and a fan wheel (6) arranged in the spiral housing (5). The spiral housing (5) has a housing section (8) which forms a first intake opening (9) of the fan (4). The fan wheel (6) has a first wall section (10) which forms a second intake opening (12) of the fan wheel (6). A gap seal (15) is formed between the housing section (8) of the spiral housing (5) and the first wall section (10) of the fan wheel (6). At least one air guide element (16) for generating a swirl zone (30) is formed in the gap seal (15).

A surface cleaning apparatus includes a momentum separator, which includes an outer liquid collection chamber and an inner solid collection chamber that is positioned within the outer liquid collection chamber and separated from the outer liquid collection chamber by an inner chamber wall. At least a portion of the inner chamber wall is porous. The air flow path comprises an inlet conduit that extends from the dirty air inlet to the inner solid collection chamber, and a downstream air flow path extends from the inner solid collection chamber to a suction motor and the porous portion of the inner chamber wall connects the inner solid collection chamber in fluid communication with the downstream air flow path. Air travelling through the inlet conduit enters the inner solid collection chamber in a first flow direction and air exits the inner solid collection chamber is a second, different flow direction.

A motor assembly and a surface cleaning device are provided. The motor assembly includes: a housing, the housing including an air outlet and a water outlet; a motor body, arranged inside the housing and configured to provide working power; and a cyclone bracket, arranged between the motor body and the housing and configured to guide a working airflow. The cyclone bracket, the motor body and the housing are substantially coaxially arranged in such a manner that after being discharged from the motor body, the working airflow carrying water vapor is condensed into liquid on an inner side wall of the housing through the cyclone bracket and then the liquid is discharged from the water outlet, while the working airflow not condensed into the liquid is discharged from the air outlet.

A compressor assembly is described comprising a compressor for generating an airflow through the compressor assembly and a silencer located downstream of the compressor. The silencer comprises a plurality of holes through which a portion of the airflow flows, a first end proximal to the compressor, a second end distal to the compressor, and serrations provided at one of the first end and the second end and between which a further portion of the airflow flows.

A portable vacuum cleaner includes a main body equipped with a suction duct, and a suction motor housed in the main body and configured to generate an air flow through the suction duct. The main body includes an air exhaust circuit through which the air flow generated by the suction motor is exhausted to the outside of the main body. The air exhaust circuit includes a filter having a generally cylindrical shape and delimiting an internal chamber fluidly connected to an air discharge orifice of the suction motor, and an acoustic absorption wall extending at least partly into the internal chamber of the filter, an internal surface of the filter and the acoustic absorption wall delimiting a first air conduit and a second air conduit in each of which is configured to circulate a part of the air flow.

An in and out flood restoration system and method of using the same is provided. The system may include a recovery tank with an internal storage volume to store a recovered flood liquid, one or more air openings, and one or more liquid openings. The recovery tank may be sealed or generally air tight. The system may include a suction / blower assembly, or a suction source and a blower source, to produce a suction (or negative) pressure and a blower (or positive) pressure at the one or more air openings. The system may include a suction hose and discharge hose to retrieve and dispose of the flood liquid to and from the one or more liquid openings of the recovery tank. The system may further include a stationary or rolling frame for use when the system is in an operation mode or a storage mode, and at least one sound suppressor.

A mobile robot includes a body configured to traverse a surface and to receive debris from the surface, and a debris bin within the body. The debris bin includes a chamber to hold the debris received by the mobile robot, an exhaust port through which the debris exits the debris bin; and a door unit over the exhaust port. The door unit includes a flap configured to move, in response to air pressure at the exhaust port, between a closed position to cover the exhaust port and an open position to open a path between the chamber and the exhaust port. The door unit, including the flap in the open position and in the closed position, is within an exterior surface of the mobile robot.

A mobile robot includes a body configured to traverse a surface and to receive debris from the surface, and a debris bin within the body. The debris bin includes a chamber to hold the debris received by the mobile robot, an exhaust port through which the debris exits the debris bin; and a door unit over the exhaust port. The door unit includes a flap configured to move, in response to air pressure at the exhaust port, between a closed position to cover the exhaust port and an open position to open a path between the chamber and the exhaust port. The door unit, including the flap in the open position and in the closed position, is within an exterior surface of the mobile robot.

A surface cleaning apparatus comprises a cyclone chamber. The cyclone chamber has a cyclone axis of rotation, a first end, an axially spaced apart second end, a cyclone chamber sidewall extending between the first end and the second end, a cyclone air inlet, a cyclone air outlet, and an openable portion wherein the cyclone axis of rotation intersects the first end and the second end. The openable portion is rotatably mounted about an opening axis that is parallel to the cyclone axis of rotation.

A work machine includes microphones inside the housing. The microphones are configured to collect sound inside the housing, and output sound signals that are electrical signals corresponding to the collected sound. The sound includes an operating noise generated inside the housing due to motion of a machine. The microphones are arranged at different locations inside the housing. The work machine is configured to execute a process related to the operating noise based on the sound signals from the microphones.

A cleaner includes: a main body housing having a suction port; a motor assembly that is housed in the main body housing and includes a fan motor that rotates about a rotation axis to generate a suction force at the suction port; and one or more first flow paths through which air discharged from the motor assembly flows. The one or more first flow paths are provided between the motor assembly and the main body housing in a radial direction of the rotation axis only in a part in a circumferential direction of the rotation axis and extend in a front-rear direction parallel to the rotation axis.

The present invention relates to a suction device, which includes a suction unit device (50) for generating a suction flow. The suction unit device (50) has a blower (60) with a blower motor (62), a blower bracket (72) for holding the blower (60) and / or the blower motor (62), and a guiding device (70) for process air. The guiding device (70) for process air has a channel member (80), the channel member has at least one channel (82) connected to the blower (60) on the exhaust side. The channel member (80) is placed on the blower bracket (72), and the channel member (80) is placed on the blower (60) or the blower motor (62).

A motor assembly according to an embodiment includes a control board, a fan motor, an impeller configured to be rotated by the fan motor, a first guide that covers the impeller and guides sucked-in air in an axial direction of the impeller along an air flow path to be directed to the control board, and a second guide disposed between the first guide and the control board to cover the fan motor and guide air along the air flow path, and the second guide is located apart from the control board, and includes a nozzle portion having a gradient of a certain angle with respect to the axial direction at an end facing the control board.

The application provides a power device of a cleaning equipment and the cleaning equipment, and the power device of the cleaning equipment comprises: a first shell with an inner chamber with an open top and an outer chamber, the inner chamber is provided with an air inlet, and the outer chamber is provided with an air outlet channel; a second shell comprising a cylindrical part and a partition part fixed in the cylindrical part, one end of the cylindrical part is in butt joint with the opening at the top of the inner chamber, the partition part is provided with a plurality of pressure equalizing holes in annular distribution, and the partition part divides the space in the cylindrical part into a first pressure equalizing chamber and a second pressure equalizing chamber; a third shell is arranged above the second shell and is in butt joint with the opening at the top of the outer chamber, a sandwich chamber is formed between the third shell and the outer side of the cylindrical part; a fan assembly is partially located in the inner chamber and partially located in the second pressure equalizing chamber; and the air inlet is communicated with the air outlet channel through the inner chamber, the second pressure equalizing chamber, the first pressure equalizing chamber, the sandwich chamber and the outer chamber in sequence.

This invention discloses a motor assembly for a vacuum cleaner and a vacuum cleaner. The motor assembly for the vacuum cleaner includes a first cover and a second cover. The first cover contains a motor. The second cover is connected to and communicates with the first cover, and the second cover has an air outlet. A noise-absorbing structure is disposed within the second cover and located between the first cover and the air outlet. The motor assembly and vacuum cleaner according to embodiments of this invention have low overall noise, high sound quality, simple structure, low cost, and are easy to assemble.

The handheld vacuum cleaner (1) comprises a vacuum cleaner housing (2), a handle (3) connected to the vacuum cleaner housing (2), an intake head (4) through which ambient air may be drawn by the handheld vacuum cleaner (1), at least one exhaust port (5) through which cleaned air may exit the handheld vacuum cleaner (1), an air flow circuit (6) extending between the intake head (4) and the exhaust port (5), and a suction unit (7) attached to the air flow circuit (6), the suction unit (7) comprising an electric motor (7.1) and a fan (7.2) coupled to the electric motor (7.1) for generating air flow in the air flow circuit (6) from the intake head (4) to the exhaust port (5). The handheld vacuum cleaner comprises a waste separation device (8) through which an airflow generated by a fan (7.2) passes when the handheld vacuum cleaner is operated, a removable tank (9) for receiving waste separated by the waste separation device (8), the removable tank (9) being removably attached to the vacuum cleaner housing (2), and a removable filter (14) arranged in the airflow circuit (6), the removable filter (14) being housed in a filter chamber (15) of the handheld vacuum cleaner (1), the filter chamber (15) being at least partially formed in the vacuum cleaner housing (2) and at least partially disposed between the suction unit (7) and a wall of the vacuum cleaner housing (2). The filter chamber (15) comprises an access opening (15.1) for accessing the removable filter (14) when the removable tank (9) is removed from the vacuum cleaner housing (2).

A draught fan assembly comprises a draught fan cover body and a draught fan body located in the draught fan cover body, the draught fan cover body comprises a draught fan upper cover and a draught fan lower cover which are detachably connected up and down, the draught fan upper cover is provided with a first end and a second end which are opposite to each other, and a noise reduction mechanism is arranged in the first end; the noise reduction mechanism comprises a horizontally-arranged air inlet rotary blade set, the flow guide direction of blades in the air inlet rotary blade set is consistent with the airflow direction when an impeller of the fan body rotates, the second end can stretch into a fan lower cover, and a gap is reserved between at least part of the outer wall of the second end and the inner wall of the fan lower cover. And gas entering the fan cover body from the dust inlet can flow into the base station body from the space, and is discharged out of the base station body through an airflow channel which is formed between the inner wall of the base station body and the outer wall of the fan lower cover and is communicated with the base station exhaust hole. Noise generated by the fan in the dust collection process can be reduced, and the noise reduction effect is improved.

The invention discloses a self-rotating cyclone wool-winding-prevention dust cup, which comprises a dust cup body, the dust cup body comprises an outer shell and an inner shell which are integrally designed, an air inlet is obliquely formed between the outer shell and the inner shell in a penetrating manner, a separation cavity communicated with the air inlet is formed in the inner shell, and the separation cavity is in butt joint with a dust collection cavity at the bottom of the outer shell; the cyclone assembly comprises an inverted-cone-shaped rotary cone net and a cyclone turbine positioned in an inner cavity of the rotary cone net, filter screen holes are formed in the rotary cone net, a first flow guide plate positioned with the rotary cone net is arranged on the outer side of the cyclone turbine, and a rotary shaft extends on the cyclone turbine; the HEPA assembly comprises a connecting seat and an HEPA structure, a connecting pipe is arranged in the middle of the connecting seat, and a rotating shaft is rotationally connected to the central inner pipe; the bottom cover assembly is rotationally connected to the dust cup body. The dust cup can solve the problems that when a cyclone filtering structure in an existing dust cup is used, wool is prone to being wound on the surface, dust is prone to being embedded, follow-up filtering and overflowing quality is affected, and the dust cup and the cyclone filtering structure are difficult to clean.

The invention discloses a vertical dust collector, and aims to provide a vertical dust collector capable of improving the assembly efficiency and stability and enhancing the heat dissipation efficiency. The dust collector comprises a dust collecting box which is connected with rollers; the mounting seat is detachably connected with the dust collection box, and an air inlet is formed in the mounting seat; the ventilation net rack is connected with the mounting base, one side of the ventilation net rack is detachably connected with a dust filtering cup assembly, and the other side of the ventilation net rack is detachably connected with a dust collection motor; the connecting assembly is connected with the mounting seat; the motor cover is provided with an air outlet, and the mounting seat is provided with an air outlet channel; the box cover, the motor cover and the box cover are respectively provided with a heat dissipation opening, and the box cover is rotationally connected with a handle. The dust collector has the beneficial effects that the cleaning capacity of the dust collector is improved; the assembly efficiency of dust collector accessories is improved; disassembly and maintenance are convenient, and moving and using are convenient; the heat dissipation performance and the dustproof effect are enhanced; the cleaning time and the service life are prolonged; the overall strength is improved.

The present invention provides a power assembly (100) and a surface cleaning device, the power assembly (100) comprising a housing (10) including an air outlet (11) and a drain (12), a power source (20) located within the housing (10) and configured to provide fluid power, and a sound-dampening cover (30) provided between the power source (20) and the housing (10) and comprising a perforated plate (31) and an outer wall (32), wherein water vapor in the working airflow condenses into liquid on the perforated plate (31) and / or the outer wall (32) and is then discharged from the drain (12), and the working airflow that has not condensed into liquid is discharged from the air outlet (11). The motor assembly has drain and exhaust paths, allowing for moisture separation of the working airflow entering the fan and enabling the discharge of gas and water from the motor assembly, optimizing the use of the motor assembly.

This cleaner comprises a main body exhaust port, a filter which can be installed in the main body, and a fan motor apparatus. The fan motor apparatus comprises an impeller configured to be rotatable so as to generate a suction force in the main body, a motor configured to provide the driving power to rotate the impeller, and a diffuser device. The diffuser device comprises a radiation diffuser which extends in a radial direction from the rotary shaft of the impeller and a shaft diffuser extending from the radiation diffuser. The fan motor apparatus is configured so that, when the filter is installed in the main body, the impeller is rotated by the driving power provided by the motor and air is discharged from the impeller while passing through the fan motor apparatus, is guided in a radial direction from the rotary shaft of the impeller by the radiation diffuser, Is guided to be filtered by the filter due to the shaft diffuser, and is discharged through the main body exhaust port.

A blower unit (300) for a suction device (100) is described. The blower unit (300) comprises a blower (200) configured to generate a suction airflow (240) during operation along a flow direction that runs from the intake side to the exhaust side of the blower unit (300). The blower unit (300) further comprises a blower housing (250) in which the blower (200) is arranged, and an intake-side bearing (303) and an exhaust-side bearing (304) for supporting the blower (200) on the inside of the blower housing (250).Furthermore, the blower unit (300) comprises a protective element (302) arranged on the intake-side bearing (303), which is designed to be permeated by the suction airflow (240) and to provide contact protection for the blower (200), wherein the protective element (302) is arranged on the intake-side bearing (303) such that the protective element (302) has a distance (420) to the inside of the blower capsule (250) when the blower (200) is in operation.

To restrain the generation of noise from a nozzle.SOLUTION: A nozzle comprises a main body comprising a lower surface opposed to a surface to be cleaned, a groove part 30 provided in the lower surface so as to be recessed upward from the lower surface, and a suction port 6 provided inside the groove part so as to be opposed to the surface to be cleaned. The groove part 30 includes a first groove part 31, and a second groove part 32 of which at least a portion is provided behind the first groove part 31. A depth H1 of the first groove part 31 is larger than a depth H2 of the second groove part 32.SELECTED DRAWING: Figure 9

The invention discloses a middle sweeping mechanism and cleaning equipment. The middle sweeping mechanism comprises a shell, a cleaning assembly, a driving assembly and an elastic component. The shell is provided with an accommodating cavity; the cleaning assembly is rotatably arranged in the accommodating cavity; the elastic component is arranged between the cleaning assembly and the driving assembly, the elastic component is driven by the driving assembly to drive the cleaning assembly to rotate around the axis of the elastic component, and the elastic component can generate torsional deformation in the rotating direction of the cleaning assembly. The problem that in the prior art, due to the fact that a middle sweeping assembly adopts rigid transmission, resonance and noise are generated when the middle sweeping assembly works can be solved.