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WO/2022/248468A1 |
The invention relates to a control method (100) for a blower device (1), more particularly an HVAC blower for a motor vehicle, the blower device (1) comprising at least one electric motor (20), which drives a ventilator device (10) that ...
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WO/2022/248598A1 |
The invention relates to a method for producing a split tube or a split tube cup for a wet rotor pump, wherein the split tube or the split tube cup is made of a media-tight inner layer and a fiber composite material which surrounds the i...
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WO/2022/247397A1 |
A fan apparatus and an electronic device, the fan apparatus comprising a moving blade assembly (1) and a vane assembly (2) positioned on the air outlet side of the moving blade assembly (1), the moving blade assembly (1) comprising a plu...
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WO/2022/250039A1 |
This moving blade removing device comprises a pushing-out mechanism, and a frame to which the pushing-out mechanism is attached. The pushing-out mechanism includes a contacting end capable of coming into contact with a moving blade, and ...
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WO/2022/249270A1 |
Provided is a propeller fan that can be made thinner, produces little noise, and is highly efficient. A propeller fan U1 comprises: a propeller (3) having a boss section (33) and a plurality of blades (32); and a bell mouth (8) provided ...
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WO/2022/241937A1 |
A flexible guide vane structure of a flow-area-adjustable mixed flow pump, the mixed flow pump, and an adjustment method. The flexible guide vane structure comprises flexible guide vane blades (17) and a flexible guide vane adjusting dev...
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WO/2022/244419A1 |
The present invention suppresses dispersion of an airflow. In an airflow control system (1), a cylindrical body (2) has an inflow port (23) and an outflow port (24) of gas. A first rectifying device (4) is positioned between a fan (3) an...
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WO/2022/241856A1 |
An atomization ceiling fan, comprising: a ceiling fan main body (100), wherein the ceiling fan main body (100) is provided with a driving assembly (200) and fan blades (300) connected to the driving assembly (200); and an atomization dev...
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WO/2022/244203A1 |
This fan (20) comprises a blowing part (100) having fans (1) that form an air flow, a post part (101) that supports the blowing part (100) in a vertically rotatable manner, and a pedestal part that supports the post part (101). The blowi...
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WO/2022/237738A1 |
An invisible fan blade fixing structure and an invisible fan lamp. The invisible fan blade fixing structure comprises a turntable (100), a synchronization member (200), and at least two fan blades (300); each fan blade (300) has a free e...
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WO/2022/238686A1 |
A compressor is provided for use in domestic appliances. The compressor comprises: an impeller comprising an inlet, an outlet, a hub defining a rotational axis of the impeller, a plurality of impeller blades that extend from the hub, and...
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WO/2022/238685A1 |
A compressor is provided for use in domestic appliances. The compressor comprises: an impeller comprising an inlet, an outlet, a hub defining a rotational axis of the impeller, a plurality of impeller blades that extend from the hub, and...
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WO/2022/240096A1 |
The present invention provides a turbocompressor and a method for controlling same, the turbocompressor comprising: a driving unit for enabling generation of rotational power for compressing refrigerant; a shaft extending in one directio...
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WO/2022/236881A1 |
An outlet temperature-controlled opening and closing structure of an air cooling system of a high-speed centrifugal compressor, the outlet temperature-controlled opening and closing structure comprising a temperature control valve, which...
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WO/2022/233807A1 |
The invention relates to a ventilation device (5) comprising: • a member (6) with blades, • an electric motor (7) and • a torque transmission part (8) designed to transmit a torque developed by the electric motor (7) to the member ...
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WO/2022/233372A1 |
The invention relates to a fan (1), more particularly a radial or diagonal fan, comprising a motor (4), an impeller (3) rotationally driven by the motor (4), an inlet nozzle (5) and a nozzle plate (2), which extends around the inlet nozz...
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WO/2022/233603A1 |
The present invention relates to a two-stage electric gas compressor (1), in which the electric machine (2) is arranged in the gas flow of the first compression wheel (3), and in which the second compression wheel (4) is arranged in the ...
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WO/2022/234946A1 |
The present invention relates to a multistage fluid compressor comprising: a motor housing having a fluid injection port formed therein; a stator coupled to the inside of the motor housing; a rotor which penetrates through the inside of ...
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WO/2022/230042A1 |
This blower includes: a casing; a fan motor disposed in the casing and having a rotary shaft; a fan that is attached to the rotary shaft and is rotatably driven by a fan motor to generate an air flow; a motor support base that is attache...
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WO/2022/228727A1 |
The rotor comprises a plurality of rotor segments arranged axially adjacent to one another. A tie rod extends through the rotor segments. Opposed first and second locking members arranged at the axial ends of the tie rod lock the rotor s...
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WO/2022/229555A2 |
The invention relates to an assembly comprising a turbine engine casing (2), in particular for an aircraft, the turbine engine casing comprising an annular or cylindrical radially outer shell (10), provided with a radially inner surface ...
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WO/2022/229594A1 |
A device (110) configured to generate an air flow, the device (110) comprising: a compressor; an air flow duct (22) arranged to convey a flow of air generated by the compressor; a gas-filled cavity (34) disposed beside the air flow duct ...
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WO/2022/229595A1 |
A method of reducing noise in a device (114) configured to generate an air flow. The device comprises an air flow duct (22) arranged to convey a flow of air, a gas-filled cavity (34) disposed beside the air flow duct (22), and a wall sep...
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WO/2022/227244A1 |
A flow-adaptive guide vane adjustment device based on hydraulic transmission. The device mainly comprises a Venturi pipe (1), a hydraulic cylinder (2), a cam mechanism and hydraulic pipes (4), which are used in cooperation with a pump an...
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WO/2022/231045A1 |
The present invention relates to a fan blade for air purification. More specifically, the fan blade for air purification is located on an air flow path of a water treatment-type air purifier and has a central axis column in the center of...
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WO/2022/228910A1 |
The present invention relates to a fan housing for a fan of an extractor device, which fan housing comprises a housing body (20) and a housing attachment (21), wherein the housing body (20) serves to receive a fan impeller (10) of the fa...
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WO/2022/229596A1 |
A device (110) configured to generate an air flow, the device (110) comprising: a compressor; an air flow duct (22) arranged to convey a flow of air generated by the compressor; a gas-filled cavity (34) disposed beside the air flow duct ...
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WO/2022/231089A1 |
The present invention relates to a portable hood. A portable hood, according to an embodiment of the present invention, may comprise a base part, a head part, a pillar part, and a suction force generating part. The head part, according t...
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WO/2022/229651A1 |
A Holweck drag pump and a method of manufacture of such a drag pump are disclosed. The drag pump comprises: at least one cylinder having a contoured surface formed by hydroforming a metal cylinder. The contoured surface provides helical ...
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WO/2022/222288A1 |
An impeller wake vortex dissipation device for a stall working condition of a mixed flow pump, comprising guide vanes (2) and wake vortex dissipation devices (3). The interior of the pump is evenly divided into N guide vane flow channels...
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WO/2022/225660A1 |
A pump includes a housing, a process stream input, a process stream output, a power stream inlet, and a rotor. The rotor comprises an impeller, a shroud, and a turbine. The impeller comprises fluid motive elements positioned about a cent...
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WO/2022/224009A1 |
The present invention describes a turbocompressor (1) comprising at least one rotor (10) the axis (11) of which comprises at least one preloading element (60) permanently maintaining the diameter of the axis larger than its natural diame...
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WO/2022/224512A1 |
According to the present invention, a compressor impeller comprises: a hub provided at one end of a shaft; a blade disposed on the outer circumference of the hub; a leading edge 17b formed in the blade and having a nonlinear shape differ...
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WO/2022/225069A1 |
One embodiment of this pump comprises: a rotor that is capable of rotating about a center axis; a stator that surrounds the rotor and is positioned outward of the rotor in the radial direction; a pump part that connects to the rotor on t...
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WO/2022/225743A1 |
A refrigerant compressor and a method of operating said refrigerant compressor. The refrigerant compressor may comprise: a shrouded impeller including a passageway permitting refrigerant to flow from a location radially outside a shroud ...
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WO/2022/222281A1 |
A fan with head-swinging and head-up functions, comprising a body (1), a first air supply part (2), a head-swinging assembly (3), a head-up assembly (4), and a second air supply part (5), the head-swinging assembly (3) driving the head-u...
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WO/2022/224603A1 |
A fan motor (1) according to an embodiment of the present invention comprises an impeller (5), a motor (4), a circuit board (6), a casing (2), and a cover (3). The impeller (5) comprises a hub (5a), and a plurality of vanes (5b) provided...
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WO/2022/224379A1 |
An impeller (4) which is fixed to a shaft (3a) of a motor (3) and which is rotated about the shaft (3a) comprises: a disc-shaped main plate (4a); a plurality of blades (4b) provided upright and annularly on the outer peripheral portion o...
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WO/2022/224239A1 |
A well pumping apparatus including a discharge head (110), a drive string rod (130) in fluid communication with an inner cavity (142) of a production tubing (140), a pre-lubrication port (160) at the discharge head, and lubrication cups ...
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WO/2022/223826A1 |
In one embodiment, the present disclosure provides a vibration damping device configured to decouple vibration of an electric motor for a ventilator, comprising: a base plate (140); a bearing unit (150) for supporting the electric motor,...
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WO/2022/220021A1 |
This surface-machined structure is provided with a plurality of blocks, which are three-dimensional objects arranged on a target surface, being a surface of a target object. The plurality of blocks are arranged spaced apart from one anot...
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WO/2022/218009A1 |
An air-conditioning device and an automobile. The air-conditioning device comprises a machine housing (10), and a blower (20), a refrigeration heat exchanger (30) and a heating heat exchanger (40), which are arranged in the machine housi...
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WO/2022/219662A1 |
Ventilation apparatus (10), comprising an electric motor (11) and a plate (13) on which the electric motor (11) is mounted. Damping members (22) are coupled in a snap-in or elastic interlocking manner on one side with the plate (13) and ...
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WO/2022/220452A1 |
An air compressor according to an aspect of the present invention comprises: a housing; a rotating shaft which is disposed in the housing; a compression unit which is connected to the rotating shaft to compress and discharge inlet air; a...
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WO/2022/217723A1 |
An energy-saving miniature water pump, comprising a water output pipe (1), a driving end (2), a pressurizing mechanism (3) and a water intake pipe (4), wherein the water output pipe (1) is embedded and fixed in an upper end position of t...
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WO/2022/220510A1 |
The present invention relates to an air compressor in which the arrangement structure between a filter part and a discharge resistor has been improved to reduce interference between the filter part and the discharge resistor and increase...
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WO/2022/218742A1 |
The present disclosure describes a sealing assembly (100) for sealing a shaft (150) passage opening (141) comprising: a rotatable motor shaft (150) with at least one bearing (161) which is supported by at least one bearing support (170),...
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WO/2022/220020A1 |
This surface processing structure comprises a plurality of blocks which are three-dimensional objects disposed on a target surface which is a surface of a target object, and are arranged side by side in a first direction parallel to the ...
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WO/2022/217956A1 |
An impeller and a vehicle air conditioner blower, relating to the technical field of air conditioning devices, and comprising a cover (300), blades (200), and a hub (100) which are fixedly connected in sequence, so that the blades (200) ...
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WO/2022/217957A1 |
An axial radial flow blower and an air conditioning device, the axial radial flow blower comprising: a motor (30), centrifugal impellers (20) and a machine housing (10). The machine housing (10) comprises a front housing body (11) and a ...
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