62results about "Exhaust-air diffusion" patented technology

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.

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 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 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.

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 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.

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

A noise reduction device for cleaners according to an embodiment of the present disclosure includes: a first flow path having a first end communicating with an air outlet and a second end that is open, the first flow path extending in a first direction; and a second flow path having a first end connected between the first end and the second end of the first flow path and a second end that is closed, the second flow path extending in a second direction intersecting the first direction, wherein the first flow path is disposed to surround the second flow path.

A base station includes a base station housing provided with a dust collection port; and a dust collection assembly including a dust collection apparatus, and a dust bag compartment, a noise reduction housing, a dust collection duct and a dust collection fan arranged in the base station housing. The dust collection apparatus is arranged in the dust bag compartment, the noise reduction housing is provided with an air exhaust port, the dust collection duct communicates the dust collection port, the dust bag compartment and the noise reduction housing to form a dust collection air duct, the dust collection fan is arranged on the dust collection air duct to generate a dust collection airflow, and after the dust collection airflow brings debris in a self-moving cleaning device into the dust collection apparatus through the dust collection port, the dust collection airflow is exhausted from the air exhaust port.

A surface cleaner has a surface cleaning head having a separated material collection region which, in operation to clean a floor, receives solid and liquids. A rigid up flow conduit is moveable mounted to the surface cleaning head between an upright storage position and a reclined operating position. A hand vacuum cleaner has a first cleaning stage, a downstream second cleaning stage and a motor and fan assembly positioned in the air flow path. The first cleaning stage comprises a non-cyclonic momentum separator. The hand vacuum cleaner is removably mountable to the upper end of the up flow conduit. The hand vacuum cleaner dirty air inlet is removably mountable to the upper end of the up flow conduit and, when the hand vacuum cleaner is mounted to the upper end of the up flow conduit, the hand vacuum cleaner is supported by the up flow conduit.

A power assembly and a surface cleaning apparatus. The power assembly includes: a housing, which includes an air outlet and a water outlet; a power source, which is located in the housing and configured to provide fluid power; and a silencing cover, which is arranged between the power source and the housing, and includes a perforated plate and an outer side wall, where water vapor in a working airflow is condensed into liquid on the perforated plate and / or the outer side wall and then drained from the water outlet, and the working airflow that is not condensed into liquid is drained from the air outlet.

A cleaning apparatus is provided in this disclosure, which includes a body, and a cleaning device, a suction device, and a recovery device all installed to the body. The cleaning device includes a driving mechanism and a cleaning part, and the driving mechanism is configured for driving the cleaning part to clean an object to be cleaned. The suction device is configured for generating a suction airflow to remove dirt from a surface of the object to be cleaned by suction, and the suction device is provided with an air inlet and an air outlet. The recovery device is configured for recovering the dirt suctioned by the suction device, and provided with an inlet and an outlet. Noise reduction structures are provided at least two of the cleaning device, the suction device, the air inlet channel and the air outlet channel to reduce noise.

The invention discloses a dust collector host locally assembled with a damping structure, which comprises a motor assembly, a dust cup and a HEPA assembly, an air inlet is arranged on the dust cup, a cyclone cone is arranged in the dust cup, the HEPA assembly is arranged at one end of the dust cup, the HEPA assembly comprises a HEPA frame and a first HEPA, the HEPA frame is mounted at one end of the cyclone cone, and the first HEPA is mounted at the other end of the cyclone cone. The first HEPA is installed on the HEPA frame, the motor assembly is arranged at one end of the first HEPA, and the motor assembly is connected to the dust cup; the motor assembly comprises a motor, a motor cover and a motor end cover, one end of the motor end cover is connected with the dust cup, the other end of the motor end cover is connected with the motor cover, the motor is arranged in the motor cover, a plurality of through holes are formed in the motor cover and are arranged at intervals in the circumferential direction of the motor cover, and damping shock absorption components are arranged in the through holes. Compared with the prior art, the dust collector has the advantages that the damping component is arranged, so that the dust collector can be buffered after being collided, the dust collector is prevented from being damaged, and the service life is prolonged.

Provided is a cleaning device comprising at least one noise source and an air conducting unit having at least one flow deflection element (10), the at least one flow deflection element (10) having a first pipe arm (16) and a second pipe arm (18), the second pipe arm (18) extending transversely to the first pipe arm (16), sound propagating from the first pipe arm (16) into the second pipe arm (18) during operation of the cleaning device, characterized in that a mode filtering unit (72) for transverse modes of sound propagation is arranged on the at least one flow deflection element (10), the mode filtering unit (72) comprising at least one mode filter (74; 84; 90) that is positioned on the second pipe arm (18).

To provide a vacuum cleaner capable of suppressing noise.SOLUTION: A vacuum cleaner includes: a cylindrical electric blower cover arranged inside a housing; and an electric blower stored inside the electric blower cover. The electric blower cover includes: a main cylinder part arranged in the periphery of the electric blower so as to support an outer frame of the electric blower via vibration-proof members; a suction port; a discharge port; and a tapered cylinder part arranged between the main cylinder part and the discharge port. A cross-sectional area of the discharge port is smaller than a cross-sectional area of the main cylinder part, and a cross-sectional area of the tapered cylinder part becomes smaller from an upstream side toward a downstream side in an air stream direction.SELECTED DRAWING: Figure 2

A vacuum cleaner including a suction motor assembly having an impeller configured to generate vacuum pressure, a motor driving the impeller, and a motor shroud including a conductive material and at least partially covering the impeller. The vacuum cleaner also includes a battery pack configured to selectively power the motor and having a positive terminal and a negative terminal, a ground wire electrically connecting the motor to the negative terminal of the battery pack, and an electrostatic discharge wire electrically connecting the conductive material of the motor shroud to the ground wire such that electrostatic charge generated on the motor shroud is discharged through the electrostatic discharge wire and dissipated through the negative terminal of the battery pack.

A drive system for a floor cleaner includes a motor and a cooling fan longitudinally disposed with respect to one another within a longitudinally extending drive housing. The drive output of the motor is configured to drive the cooling fan via driveshaft and a drive connector which includes a fan-side connector element and a motor-side connector element. The fan-side connector element is configured to interlock with the motor-side connector element.

The invention discloses a barrel type dust collector with airflow buffering and noise reduction functions, and relates to the technical field of dust collectors. The connecting base is assembled on the barrel body, a filtering assembly is arranged at the bottom of the connecting base, the top of the filtering assembly is in butt joint with a motor, the motor is located in the connecting base, and a motor air outlet in the motor is communicated with the spiral air duct structure in the connecting base; the top cover is assembled on the connecting base, a first air outlet in the top cover communicates with the air outlet end of the spiral air duct structure, an air outlet screen plate is assembled on the first air outlet, and airflow buffering assemblies are arranged in the spiral air duct structure and on the air outlet screen plate. The problem that an existing barrel suction device is large in operation noise can be solved.

The present invention provides a cleaning system. In the case of performing the processing of dust collected by a cleaning vehicle, the burden of the operator is reduced. The cleaning system is provided with a cleaning vehicle (1) that travels along a prescribed travel path (R) to perform cleaning of the travel path (R), and a maintenance device (2) that is provided at a maintenance stop position (A) set on the travel path (R). The cleaning vehicle (1) is provided with a suction portion (14) that suctions dust of the travel path (R), a storage portion that stores the suctioned dust, and a discharge portion (16) that discharges the dust stored in the storage portion to the outside. The maintenance device (2) is provided with a dust collecting portion (214) that collects the dust discharged from the storage portion to the outside by the discharge portion (16) of the cleaning vehicle (1) stopped at the maintenance stop position (A).

To prevent the vacuum cleaner from becoming too large. [Solution] The cleaner comprises a main body housing having a suction port, a motor assembly housed in the main body housing and including a fan motor that rotates around a rotation axis and generates suction force at the suction port, and a first flow path provided between the motor assembly and the main body housing in the radial direction of the rotation axis and provided only in a part of the circumferential direction of the rotation axis, extending in a front-rear direction parallel to the rotation axis, through which air discharged from the motor assembly flows.

The invention provides a dust collector which can restrain enlargement of the dust collector. The vacuum cleaner is provided with: a main body housing having a suction port; a motor assembly which is housed in the main body housing, includes a fan motor that rotates about a rotation axis, and causes the suction port to generate a suction force; and a first flow path which is provided between the motor assembly and the main body housing in the radial direction of the rotating shaft, is provided only in a part of the rotating shaft in the circumferential direction, extends in the front-back direction parallel to the rotating shaft, and allows air discharged from the motor assembly to flow therethrough.

A noise reduction device according to the present disclosure includes: a guide flow path guiding air discharged through an air outlet; a first flow path having a first end communicating with the guide flow path and a second end that is open, the first flow path extending in a first direction; and a second flow path having a first end connected between the first end and the second end of the first flow path and a second end that is closed, the second flow path extending in a second direction intersecting the first direction, wherein the guide flow path overlaps the second flow path in the first direction.

The application discloses a sound-absorbing part and a dust collector, which comprises a receiving cavity for receiving a motor, sound-absorbing side walls surrounding the receiving cavity and being arranged in at least two sections, a first guide piece extending from one end of the first sound-absorbing side wall and forming a first included angle, a second guide piece being spaced from the first guide piece and extending from the other end of the first sound-absorbing side wall and forming a second included angle, a third guide piece extending from one end of the second sound-absorbing side wall and forming a first included angle, and a sound-absorbing air outlet between the second guide piece and the third guide piece, wherein the airflow spirally moves outward from the sound-absorbing air outlet. The application keeps the air outlet smooth, reduces noise and has a simple structure.

According to the rolling brush and the cleaning equipment, the cleaning strips made of different materials are arranged on the peripheral face of the roller at intervals, so that an uneven staggered structure is formed on the peripheral face of the roller, particularly on the two sides of the first cleaning strip, and hair attached to the peripheral face of the rolling brush can be swept or supported by the cleaning strips when the rolling brush rotates; by means of the structure, the hair is difficult to form a large-area winding area on the peripheral face of the roller, the hair is easier to remove or suck away, blockage of the dust collection channel caused by dense winding is effectively avoided, and a user can conveniently clean the rolling brush. The rolling brush has the advantages that the hair winding prevention capacity of the rolling brush and the cleaning efficiency of the cleaning equipment are improved.

A vacuum cleaner (1) having a casing (3), the vacuum cleaner forming an air flow circuit from an inlet (5) to an outlet (7) by means of an electric motor and fan combination (9A, 9B) having a common axis of rotation (11), a primary dust separation device (13) with a main dust container (15) located upstream of the electric motor and fan combination (9A, 9B), a chamber (17) located downstream of the electric motor and fan combination (9A, 9B), wherein the chamber (17) at least partly surrounds the electric motor and fan combination, having a removable screen (19) configured to lead the air flow in the chamber (17), in an axial direction with regard to said axis of rotation, (11) when arranged in the chamber (17).

The application relates to a dust collector, which comprises a dust bin provided with an air inlet channel and an air outlet channel communicated with a dust chamber; a separation assembly installed on a bin cover, at least part of the separation assembly being located in the dust chamber; an opening in a hexagonal shape, the inner periphery of the opening comprising a first edge, a second edge and two side edges arranged opposite to each other along the length direction of the first edge, the air inlet channel being arranged on a first side wall plate of the dust bin, the plane where the opening is located being a first plane, the outer periphery of the orthographic projection of the separation assembly on the first plane being defined as an outer contour line, the minimum distance between the outer contour line and the first edge and the two side edges being equal or basically equal, and being a, and the minimum distance between the outer periphery of the separation assembly and the second edge being A, A / a=1.7-2.5. The application is favorable for reducing the uneven distribution of sound energy generated when air flow surrounds the separation assembly, thereby achieving a better noise reduction effect without reducing the air flow.

The invention belongs to the technical field of dust collectors, and discloses an air duct mechanism and a dust collector base station. The air duct mechanism comprises an inner shell and an outer shell. The inner shell is arranged on the periphery of the motor in a surrounding mode, at least two ventilation openings are formed in the inner shell, and the at least two ventilation openings are configured to distribute and guide out airflow generated by operation of the motor. The outer shell is arranged on the periphery of the inner shell in a sleeving mode, and a flow guide cavity is defined between the outer shell and the inner shell. The shell is provided with at least two air outlets with the number corresponding to that of the ventilation openings, and the at least two air outlets are configured to discharge the divided airflow. According to the arrangement, the total air flow can be shunted into the at least two independent through-flow paths, so that on the premise that the total air flow is constant, the air flow needing to be borne by a single through-flow path is remarkably reduced, the air flow speed in the corresponding single through-flow path is effectively restrained, the problem that the air flow speed is suddenly increased is solved, and the service life of the air conditioner is prolonged. The operation noise of the dust collector base station is greatly reduced. Comprising the air duct mechanism is low in operation noise.

Maintenance base station for use in combination with a cleaning robot, characterized in that the maintenance base station comprises a housing, a dirt collection element, a charging assembly and a suction device; wherein the housing is provided with an interior and a dirt inlet tube, the interior comprising a first partial assembly cavity and a second partial assembly cavity, the dirt inlet tube spanning the first partial assembly cavity and the second partial assembly cavity, a dirt outlet end of the dirt inlet tube being connected to the first partial assembly cavity, and an air outlet end of the dirt inlet tube being exposed on the surface of the housing to be coupled to a dust discharge opening of the cleaning robot; the dirt collection element is arranged in the first partial assembly cavity and is furthermore connected to the dirt outlet end of the dirt inlet pipe; the suction device is arranged in the second partial assembly cavity, wherein an air inlet end of the suction device is pneumatically connected to the dirt collection element and an air outlet end of the suction device is connected to the external environment, wherein the charging assembly and the suction device are arranged side by side in a horizontal direction, and wherein the charging assembly serves to charge the cleaning robot.

A cleaner is disclosed. The cleaner comprises: an exhaust filter for separating dust from air; and a filter frame for supporting the exhaust filter. The filter frame includes a branch pipe branching off from a flow path of air passing through the exhaust filter. Therefore, the branch pipe can have a slit. The filter frame has a slit structure added thereto, and can replace a conventional filter frame. Peak noise and flow noise of a cleaner motor can be reduced.