Abstract: A vacuum clear and an electric motor module (100) therefor are provided. The electric motor module (100) includes an outer casing (1) provided with an air inlet (10) at a front side thereof and an air outlet (11) at a rear side thereof; an electric motor assembly (2) arranged in the outer casing (1), and cooperating with the outer casing (1) to define an air passage in communication with the air inlet (10) and the air outlet (11); and a silencer (3) arranged at the air inlet (10), defining at least one resonant cavity therein, and the at least one resonant cavity having a side wall provided with a throat in communication with the resonant cavity.

Abstract: An electric fan and a vacuum cleaner having the same are provided. The electric fan includes: a cover having an open side; an impeller disposed in the cover; a diffuser including a diffuser body and a plurality of vanes, the diffuser body being located at a side of the impeller adjacent to the cover, the plurality of vanes being disposed at an end of the diffuser body adjacent to impeller and spaced apart from one another along an outer circumference of the impeller, an outlet angle of each vane being denoted as ?, and ? satisfying: 45°???90°; and a refluxer disposed at an end of the diffuser body away from the impeller. The electric fan reduces flow losses of airflow, and improves work efficiency.

Abstract: The present disclosure provides an air duct assembly of a refrigerator, comprising: a main body, the main body being provided with an air inlet toward one side of the main body, a plurality of air outlets formed in areas of two sides of the main body, and an air-uniformizing partition plate provided on the main body and located above the air inlet, and the air-uniformizing partition plate divides the air entered from the air inlet into the areas of two sides of the main body and the air is discharged via the plurality of air outlets.

Abstract: A cooking fume purification module and a cooking fume exhaust device are provided. The fume purification module includes a housing, a plurality of dust collection plates and an emitter plate. The housing includes a cylindrical body and a plurality of protruding portions. The body defines an air channel. The plurality of protruding portions extends outwards from the body, and each protruding portion defines an introduction channel in communication with the air channel. The emitter plate is arranged on the protruding portion and provided with a plurality of emitter pins which are located in the introduction channel and face the air channel. The plurality of dust collection plates are arranged in the air channel and spaced apart along an axial direction of the body, and each dust collection plate corresponding to one emitter plate.

Abstract: The present invention relates to a steam generator (100), a steam generator system (1000) and a household appliance. The steam generator (100) includes: a housing (1), wherein at least two chambers spaced apart from each other are defined in the housing (1), the at least two chambers are in communication with each other via a communication groove (21) respectively, and two chambers thereof are provided with a water inlet (13) and a steam outlet (14) respectively; a heating element (3) formed in the housing (1) and used to heat and vaporize water in the housing into steam; and a flow passage formed in the housing (1) extending from the water inlet (13) to the steam outlet (14) via the at least two chambers.

Abstract: A vacuum clear and an electric motor module (100) therefor are provided. The electric motor module (100) includes an outer casing (1) provided with an air inlet (10) at a front side thereof and an air outlet (11) at a rear side thereof; an electric motor assembly (2) arranged in the outer casing (1), and cooperating with the outer casing (1) to define an air passage in communication with the air inlet (10) and the air outlet (11); and a silencer (3) arranged at the air inlet (10), defining at least one resonant cavity therein, and the at least one resonant cavity having a side wall provided with a throat in communication with the resonant cavity.

Abstract: A filter assembly (100) and a cleaner having the same are provided. The filter assembly (100) includes a tank (1) and an air intake pipe (2). The tank (1) is configured to accommodate a liquid therein and has an air inlet (13) and an air outlet (14). The air intake pipe (2) is connected to the air inlet, has an air output end (22) located in the tank (1) and extending towards the liquid (A) or submerged in the liquid (A), and has a cross sectional area gradually increased along a fluid flow direction inside the air intake pipe (2).

Abstract: A steam cleaner is provided, including: a base (2) provided with an air inlet (4); a casing (1) disposed on the base (2) and having an air outlet (11) in a side wall thereof, in which a vortex air duct is defined between a bottom wall (16) of the casing and the base (2), and the air inlet (4) is in fluid communication with the vortex air duct; a fan (7) disposed within the casing (1), and including an electric motor (71) and a heat dissipation fan wheel (72) connected to a lower end of an electric motor shaft of the electric motor, in which the vortex air duct is configured to guide air entering from the air inlet (4) to the heat dissipation fan wheel so as to dissipate heat of the electric motor.

Abstract: A filtration liquid tank (100) for a dedusting device and a dedusting device with the same are provided. The filtration liquid tank (100) includes a tank body (1) formed with an inlet and an outlet; a cyclone separator (3) disposed within the tank body (1) and in communication with the outlet, defining a cyclone separation chamber therein, and formed with a cyclone inlet (31) in communication with the cyclone separation chamber; and a water pressing assembly (2) disposed within the tank body (1) and in communication with the inlet, and configured to guide an airstream entering from the inlet towards a filtration medium and produce a circumferential motion, the airstream filtered by the filtration medium being exhausted from the outlet.

Abstract: A filter assembly (100) and a cleaner having the same are provided. The filter assembly (100) includes a tank (1) and an air intake pipe (2). The tank (1) is configured to accommodate a liquid therein and has an air inlet (13) and an air outlet (14). The air intake pipe (2) is connected to the air inlet, has an air output end (22) located in the tank (1) and extending towards the liquid (A) or submerged in the liquid (A), and has a cross sectional area gradually increased along a fluid flow direction inside the air intake pipe (2).

Abstract: An electric fan and a vacuum cleaner having the same are provided. The electric fan includes: a cover having an open side; an impeller disposed in the cover; a diffuser including a diffuser body and a plurality of vanes, the diffuser body being located at a side of the impeller adjacent to the cover, the plurality of vanes being disposed at an end of the diffuser body adjacent to impeller and spaced apart from one another along an outer circumference of the impeller, an outlet angle of each vane being denoted as ?, and ? satisfying: 45°???90°; and a refluxer disposed at an end of the diffuser body away from the impeller. The electric fan reduces flow losses of airflow, and improves work efficiency.

Abstract: The present disclosure provides an air duct assembly of a refrigerator, comprising: a main body, the main body being provided with an air inlet toward one side of the main body, a plurality of air outlets formed in areas of two sides of the main body, and an air-uniformizing partition plate provided on the main body and located above the air inlet, and the air-uniformizing partition plate divides the air entered from the air inlet into the areas of two sides of the main body and the air is discharged via the plurality of air outlets.

Abstract: A cooking fume purification module and a cooking fume exhaust device are provided. The fume purification module includes a housing, a plurality of dust collection plates and an emitter plate. The housing includes a cylindrical body and a plurality of protruding portions. The body defines an air channel. The plurality of protruding portions extends outwards from the body, and each protruding portion defines an introduction channel in communication with the air channel. The emitter plate is arranged on the protruding portion and provided with a plurality of emitter pins which are located in the introduction channel and face the air channel. The plurality of dust collection plates are arranged in the air channel and spaced apart along an axial direction of the body, and each dust collection plate corresponding to one emitter plate.

Abstract: A steam cleaner is provided, including: a base (2) provided with an air inlet (4); a casing (1) disposed on the base (2) and having an air outlet (11) in a side wall thereof, in which a vortex air duct is defined between a bottom wall (16) of the casing and the base (2), and the air inlet (4) is in fluid communication with the vortex air duct; a fan disposed within the casing (1), and including an electric motor and a heat dissipation fan wheel connected to a lower end of an electric motor shaft of the electric motor, in which the vortex air duct is configured to guide air entering from the air inlet (4) to the heat dissipation fan wheel so as to dissipate heat of the electric motor.

Abstract: A filtration liquid tank (100) for a dedusting device and a dedusting device with the same are provided. The filtration liquid tank (100) includes a tank body (1) formed with an inlet and an outlet; a cyclone separator (3) disposed within the tank body (1) and in communication with the outlet, defining a cyclone separation chamber therein, and formed with a cyclone inlet (31) in communication with the cyclone separation chamber; and a water pressing assembly (2) disposed within the tank body (1) and in communication with the inlet, and configured to guide an airstream entering from the inlet towards a filtration medium and produce a circumferential motion, the airstream filtered by the filtration medium being exhausted from the outlet.

Abstract: The present invention relates to a steam generator (100), a steam generator system (1000) and a household appliance. The steam generator (100) includes: a housing (1), wherein at least two chambers spaced apart from each other are defined in the housing (1), the at least two chambers are in communication with each other via a communication groove (21) respectively, and two chambers thereof are provided with a water inlet (13) and a steam outlet (14) respectively; a heating element (3) formed in the housing (1) and used to heat and vaporize water in the housing into steam; and a flow passage formed in the housing (1) extending from the water inlet (13) to the steam outlet (14) via the at least two chambers.

Abstract: The present invention relates to a steam generator system (1000), a control method and a household appliance. The steam generator system (1000) comprises: a steam generator (100) comprising a housing (1) having a water inlet (13) and a steam outlet (14), and a heating element (3) provided in the housing (1); a water pump (300) connected between a water tank (200) and the water inlet (13); a water softener (400), wherein the water tank (200), the water pump (300) and the water inlet (13) are in communication with each other to form a water inlet pipeline, and the water softener (400) is connected to the water inlet pipeline in series.