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WO/2021/161751A1 |
This electric motor comprises a rotor having a shaft and a commutator attached to the shaft, a brush in contact with the commutator, a brush spring for pushing the brush into the commutator, and a conductive wire connected to the brush. ...
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WO/2021/160961A1 |
A vane (46) for a turbine engine comprises a body (54) in the shape of an airfoil formed of a shell (56) made of a composite material formed of a three-dimensional textile of reinforcing fibres consolidated by a hardened resin, the shell...
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WO/2021/161010A1 |
An axial flow vacuum pump for evacuating a chamber in a semiconductor manufacturing process comprises a rotor having a plurality of rotor blades and a stator having a plurality of stator blades, wherein the rotor blades and stator blades...
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WO/2021/161073A1 |
A pump assembly includes multiple impeller stages, each impeller stage including at least one impeller vane. At least one impeller stage includes at least one impeller vane with at least one perforation disposed therethrough.
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WO/2021/162060A1 |
Provided is a rotor for electric water pumps, whereby a slide bearing comprising a thermoplastic resin composition can be produced at a low cost while having excellent low friction and low wear properties and being less likely to exhibit...
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WO/2021/159161A1 |
The invention relates to an axial fan (1), having: - a fan hub (2) which is rotatable about a centre axis (3) and has a bottom wall (5) and an annularly circumferential side wall (6), - a plurality of fan blades (7), which protrude from ...
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WO/2021/155978A1 |
A pump (100) includes a body (102). The pump (100) includes a water channel (104) adapted to allow flow of water through the pump (100). The pump (100) includes a device (106) arranged with the body (102). The device (106) is in contact ...
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WO/2021/158118A1 |
The present invention relates to a subsea motor and pump assembly with a liquid filled motor assembly (3) and a main pump assembly (4). A mid-chamber assembly (5) with a mid-chamber collecting leaked liquids is located between the liquid...
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WO/2021/156965A1 |
This outdoor unit for an air conditioner comprises: a housing that forms an outer casing; a motor that has a shaft; and a propeller fan that is connected to the motor via the shaft and rotated by the drive of the motor. The shaft has a p...
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WO/2021/156615A1 |
There is provided a surge protection device for a multi-stage vacuum pump arranged to evacuate a fluid from a vessel, the surge protection device comprising: an inlet for receiving the fluid; an outlet for connection to an input of the m...
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WO/2021/156251A1 |
The invention relates to a stabilizer channel (10), in particular of a radial compressor or diagonal compressor, having an annular stabilizer chamber (12) which encloses a main flow channel (13) in the intake region of a compressor wheel...
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WO/2021/155966A1 |
A fan (16) comprising a hub (24) having a central axis (22); a plurality of interlock blade elements (26) connected to the hub (24) by means of an interlock (38, 52) such that each interlock blade element (26) is prevented from moving in...
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WO/2021/156577A1 |
The invention relates to a rotor blade (10) for a turbomachine, in particular of an aircraft, comprising an airfoil (12) comprising a pressure face (15) and a suction face (17) extending from a leading edge (14) to a trailing edge (16), ...
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WO/2021/157779A1 |
Disclosed is an invention related to a portable air purifier. The disclosed invention is characterized in that a fan base is disposed between a filter and a fan module including a mixed-flow fan, and the fan base forms a passage that con...
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WO/2021/154053A1 |
The present invention relates to a pump. The pump according to the present invention comprises: a housing; an impeller which is disposed inside the housing and gives rise to flow of a fluid by the rotation thereof; and a pump motor which...
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WO/2021/152775A1 |
This centrifugal blower comprises: a main plate that is rotationally driven; a side plate having an annular shape and disposed opposing the main plate; and a plurality of blades disposed between the main plate and the side plate. Each of...
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WO/2021/153661A1 |
Provided are a motor and a blower device having a shaft (rotational axis) of which perpendicularity is increased easily in a simple configuration. A motor 100 is provided with: a shaft (1); a top plate portion (2A) fixed to one end of th...
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WO/2021/153246A1 |
A blower comprising a bellmouth (12) and a fan (20) which has multiple blades (22) and which is disposed inside the bellmouth (12), wherein a bellmouth-side slant plane (13a) is formed on an inner circumferential surface of a downstream-...
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WO/2021/153852A1 |
An air blower according to an embodiment of the present invention comprises: a support body through which a suction part is formed; a tower coupling part which is formed above the support body and in which a rotation module is installed;...
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WO/2021/152230A1 |
The invention relates to a fuel supply circuit of an aircraft engine, comprising a centrifugal pump which is mechanically coupled to a drive shaft (18) delivering a mechanical power. The circuit further comprises at least one electromagn...
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WO/2021/152052A1 |
The device (100) for preventing gas leaks from a compressor (54) at the interface between two gas transportation networks comprises: - a compressor seal (55), - a gas engine (50) driving the compressor, - a pneumatic booster (30) provide...
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WO/2021/153945A1 |
The present invention relates to a vehicle air conditioner. The purpose of the present invention is to provide a vehicle air conditioner wherein foreign-material capture protrusions having at least three surfaces are formed on a hub part...
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WO/2021/152908A1 |
The objective of the present invention is to suppress the generation of at least one of cavitation and cavitation surge resulting from backflow.　Disclosed is a centrifugal pump which is provided with an impeller (32) including a vane (...
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WO/2021/147321A1 |
Disclosed is a constant air volume induced draft fan comprising a volute (1), a wind wheel (2) and an electric motor (3), wherein the electric motor (3) is installed outside the volute (1) by means of an installation support (4); the ele...
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WO/2021/148649A1 |
A well pump includes a plurality of diffusers, wherein each diffuser comprises a first threaded coupling on one longitudinal end and a second threaded coupling on an opposed longitudinal end. An impeller is disposed in each diffuser. The...
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WO/2021/149959A1 |
Disclosed are: a hybrid pump that is simple to manufacture; and a method for manufacturing a magnetic drive in the hybrid pump. The hybrid pump includes an impeller, a magnetic drive for controlling the rotation of the impeller, and a dr...
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WO/2021/147606A1 |
An impeller, a mixed flow blower, and an air conditioner. The impeller comprises an impeller cover (3), a hub (1), and a plurality of blades (2). The impeller cover (3) comprises an inner cavity which penetrates through along the axis, a...
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WO/2021/147498A1 |
A derotator, a mixed flow fan, and an air conditioner. The derotator comprises a wheel cover (10), a wheel hub (20), first blades (30), and second blades (40). The wheel cover (10) is provided with a through cavity. The wheel hub (20) is...
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WO/2021/147605A1 |
An impeller, a mixed flow blower, and an air conditioner. The impeller comprises an impeller cover (3), a hub (1), and a plurality of blades (2); the impeller cover (3) comprises an axially through inner cavity, and the inner cavity is p...
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WO/2021/147497A1 |
A flow guide device, a fan assembly, and an electric appliance. The flow guide device (1) comprises: a first flow guide portion (11) having a flow guide cavity, wherein the flow guide cavity has an axis (1d), and an inlet (1a) and an out...
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WO/2021/147593A1 |
Disclosed are a swirl-elimination structure, a mixed flow fan assembly and an air conditioner. The swirl-elimination structure comprises a swirl-elimination wheel cover (20) having an inner cavity penetrating same; a swirl-elimination wh...
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WO/2021/149872A1 |
A portable air purifier and a fan module provided therein are disclosed. The disclosed invention includes the fan module, which is disposed between a discharge surface and a filter so as to suction, in the axial direction, the air having...
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WO/2021/148239A1 |
A return channel (15) for a centrifugal turbomachine (1). The return channel includes a plurality of return channel vanes (15.1), arranged around a return channel axis (A- A). Each return channel vane (15.1) includes: a leading edge (15....
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WO/2021/147595A1 |
A whirl eliminating structure, a mixed-flow fan assembly and an air conditioner. The whirl eliminating structure comprises: a whirl eliminating wheel cover (20) having a through inner cavity; a whirl eliminating wheel hub (30) located in...
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WO/2021/148182A1 |
The invention relates to an air supply apparatus (1) having: an electromotive drive (2), which comprises a rotor (3) having at least one magnet (9) and being able to rotate about an axis or rotation (14); and a cooling device (13). To im...
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WO/2021/148237A1 |
A novel diffuser (11) for a centrifugal turbomachine (1) to reduce or prevent stall. The diffuser includes diffuser vanes (11.1) arranged around a diffuser axis (A-A). Each diffuser vane (11.1) includes: a leading edge (11.3), a trailing...
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WO/2021/147604A1 |
Disclosed are an impeller, a mixed-flow fan, and an air conditioner. The impeller comprises a hub (1), a wheel cover (3), and a plurality of blades (2). The blades (2) are connected between the outer surface of the hub (1) and the inner ...
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WO/2021/148607A1 |
The invention relates to an assembly of compression stage(s) of a turbine engine, forming an annular fluid flow passage and comprising at least one stator annular platform (22.2) and/or at least one rotor annular platform (26.2) having a...
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WO/2021/145995A1 |
A magnetic bearing assembly (131) for a rotary machine (100) may lose power and fail to support the rotating assembly (120) resulting in damage to magnetic bearing assembly (131) and/or other components. An auxiliary bearing assembly (13...
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WO/2021/143952A1 |
A flow guide cover and a server having same, said flow guide cover comprising an annular frame (1), an inflow member (2), an airflow focusing ring (3), a plurality of first air guide vanes (41) and a plurality of second air guide vanes (...
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WO/2021/143972A1 |
A housing for a fan, preferably for an axial or diagonal fan, wherein the fan comprises an impeller wheel and at least one throughflow region, is characterized in that a plurality of individual, freestanding guide elements are provided i...
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WO/2021/144144A1 |
The integrated expander and motor-compressor assembly (2) comprises a compression section (9) mounted between the two radial bearings (15, 16) on a transmission shaft (10), an expander (30) cantilevered at a free end of the transmission ...
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WO/2021/142909A1 |
Disclosed is an air filter device for a fuel cell vehicle in an extremely cold environment, the device comprising a double-rotor disc-type electric motor, wherein the axis of the disc-type electric motor is an inner wall shell (3), the i...
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WO/2021/145528A1 |
The present invention relates to an air cleaner, including a body forming an exterior; a suction portion formed on the body to suck air; a discharge portion formed on the body and discharging the air sucked through the suction portion; a...
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WO/2021/143526A1 |
A mini-type pump, comprising a casing body (1), a rotor system (2), and a stator system (3), the casing body (1) having a stator cavity (122) and a rotor cavity that are not in communication, the stator system (3) being arranged inside t...
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WO/2021/143393A1 |
Disclosed are an air duct component (200) and an air supply device (300). The air duct component (200) comprises an air duct body (201), wherein the air duct body (201) is provided with an air duct (20111); the air duct (20111) is provid...
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WO/2021/142658A1 |
Disclosed is a spray fan, comprising a front shell (1), a rear shell (2) connected to the front shell (1) and enclosing a first cavity (10) with the front shell (1), a fan assembly (3) arranged in the first cavity (10), a water box (4) a...
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WO/2021/144942A1 |
A centrifugal blower is provided with: an impeller including a rotationally driven main plate, an annular side plate, and a plurality of blades arranged on the circumferential edge of the main plate with one end thereof connected with th...
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WO/2021/143888A1 |
A neck-hanging fan, comprising an arcuate bracket (10) used for wearing on the neck, a shell (20) arranged at two ends of the arcuate bracket (10), and a fan (30) and drive apparatuses (40) arranged in each shell (20). Each shell (20) co...
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WO/2021/143044A1 |
Disclosed are a centrifugal fan (100) and an air supply device. The centrifugal fan (100) comprises a volute (101), a mounting space (1011) being provided in the volute (101); and a wind wheel (102), wherein the wind wheel (102) is arran...
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