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WO/2021/087640A1 |
A method for suppressing a leakage vortex in a blade tip circular hole structure. A combination structure of four circular holes is provided in the vicinity of the blade tip of an axial-flow pump blade (2). The diameter of the circular h...
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WO/2021/090795A1 |
The present invention relates to a reinforcing structure for a pump casing that accommodates an impeller. A pump casing (8) comprises a volute hydro section (22) having a discharge port (22a), a suction hydro section (20) having a suctio...
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WO/2021/088697A1 |
A filter structure, a flow dividing structure, a rotary base device, an airflow generating structure, and a bladeless fan. The bladeless fan comprises: a filter framework (120) and a filter assembly (130); a first component (210) having ...
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WO/2021/090557A1 |
This blower comprises a fan and a motor, wherein the motor has a shaft, a bearing supporting the shaft, and a motor case covering at least part of the bearing. The fan has a main plate, which has a first surface facing the motor case and...
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WO/2021/090648A1 |
A first air introduction opening (11) and second air introduction openings (12, 13) are formed in an air introduction box (10). An impeller (30) is accommodated in a casing (20) provided on the downstream side of the air introduction box...
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WO/2021/091002A1 |
The present invention relates to a hermetic compressor comprising: a crankshaft rotated by a driving unit; an eccentric pin installed in an upper end of the crankshaft to be eccentric with respect to the shaft of the crankshaft; a weight...
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WO/2021/088775A1 |
Provided are a sealed damping device and a bladeless fan, wherein, the sealed damping device makes the air entering the bladeless fan clean by providing an airflow generation mechanism (10) for generating high-speed air flow, a shunting ...
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WO/2021/090380A1 |
A centrifugal air blower provided with: a main plate that is rotationally driven by a fan motor; a ring-shaped shroud that is arranged so as to face the main plate; and a plurality of blades that are arranged between the main plate and t...
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WO/2021/088947A1 |
A bladeless fan. An air duct device comprises: a filtering structure (10, 510), a base (20, 5110), a nozzle structure (30), and an airflow generating structure (40), wherein the nozzle structure (30), the airflow generating structure (40...
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WO/2021/088677A1 |
A bladeless fan and an assembly method therefor, the bladeless fan comprising: a filter device (10) having a hollow interior and forming an accommodation space (150); a base (20) arranged directly under the filter device (10); a spray he...
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WO/2021/084178A1 |
A mechanical assembly for a vehicle (10), in particular a motor vehicle, comprises a rotating element (18), a support (20) for the rotating element (18), and a cover (22) attached on the support (20) for the rotating element (18). The co...
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WO/2021/083579A1 |
The invention relates to a method for operating a fuel cell system with a fuel cell, to which a cathode gas, such as air, is supplied on a cathode inlet side by means of an electrically powered gas supply device (30) which is designed as...
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WO/2021/084177A1 |
A motor support comprises two coaxial rings (20; 22) and an element for limiting the tilting of the inner ring relative to the outer ring. The limiting element comprises a finger (26) which protrudes from a first of the rings (20; 22) an...
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WO/2021/082948A1 |
A worm gear cover with a sealing structure, comprising a motor base (1), an air inlet pipe (2), a worm gear casing (3), a bottom plate (4), a rack (5), a motor cover (6), a worm gear casing support plate (7), a shaft seal (8), an impelle...
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WO/2021/086224A1 |
The invention relates to devices for pumping fluids, intended for building up pressure in pipelines, injecting fluids into wells, and pumping fluids through a pipeline. The maintainability and serviceability of the present pump assembly ...
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WO/2021/084875A1 |
An electric blower (200) according to the present invention is provided with: axial diffusers (23, 24) having circumferential blades that are disposed axially downstream of a vane wheel (1); a rotor (7) and a stator (8) which are dispose...
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WO/2021/086847A1 |
A cryogenic device with a cartridge holder for a cryogen cartridge, cryogen cartridge is coupleable to a cryogen pathway; a probe receptacle for receiving a needle probe, wherein the probe receptacle is configured to couple the needle pr...
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WO/2021/085588A1 |
A propeller (1) is equipped with: a hub (11); a blade (12) formed so as to extend outward from the hub (11); a curved section (13) which includes a flexible member for connecting the hub (11) and the blade (12); and a cord (15) which is ...
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WO/2021/085092A1 |
An inlet guide vane assembly for a centrifugal compressor includes a plurality of guide vanes, a drive structure coupled to the plurality of guide vanes, an actuator and an actuation mechanism. The rotation of the drive structure transit...
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WO/2021/083979A1 |
Method for controlling the pitch angle of blades of an engine cooling fan wherein the radiator (3) of the engine is provided with a cooling fan (4) having blades (8) extending radially from a central hub (7); the cooling fan (4) is desig...
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WO/2021/085086A1 |
A fan (30) of a blower (1) comprises a dividing plate (34) for suppressing mixing of cabin-outside air flowing in a first vane passageway (310) and cabin-inside air flowing in a second vane passageway (320). A partition plate (57) is pro...
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WO/2021/086135A1 |
The present invention provides a water pump comprising: a housing having an inlet and an outlet through which cooling water flows in and is discharged; a rotary shaft provided inside the housing; a rotor coupled to the outer circumferent...
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WO/2021/083283A1 |
Provided is a fan, which comprises: a body (10), the body (10) comprises a first air inlet (222), a second air inlet (36), an air outlet, and a fan motor (6) for generating an air flow passing through the body, wherein the first air inle...
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WO/2021/082160A1 |
A fan assembly (100) of a clothes treatment device (200) and a clothes treatment device (100). The fan assembly (100) comprises: an air duct housing (10) provided with an installation cavity (101); an impeller (21) that is rotatably disp...
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WO/2021/083568A1 |
The invention relates to a coolant pump, which comprises a rotating slide ring (4), which is arranged on the pump impeller (2) at an axial end of the entry opening, and a static slide ring (5), which is arranged on the pump housing (1) a...
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WO/2021/082321A1 |
A DC motor inflation device, comprising: an air inlet clamping member (005), the air inlet clamping member (005) penetrating the inflation shell (014); an inner pad (009) disposed inside the inflation shell (014), the inner pad (009) bei...
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WO/2021/083292A1 |
A fan, comprising: a body part (10), the body part (10) comprising an outer housing (3), an inner housing (7) arranged inside the outer housing (3), an air intake cover panel (2), a first air intake (222), a second air intake (36), an ai...
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WO/2021/083646A1 |
The invention concerns a motorised respiratory assistance device with an integrated cooling system. The device comprises an enclosure (1) forming a compartment (2) accommodating a motor unit (3) driving turbines (8a, 8b) respectively gen...
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WO/2021/079242A1 |
A centrifugal compressor assembly is provided. The assembly includes a plurality of assemblies, wherein each of the plurality of assemblies includes a first shaft including a first set of rotor blades and a first set of stator blades, wh...
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WO/2021/078519A1 |
Invention relates to a pump arrangement (100) for pumping barrier liquid in a sealed space (102) of a mechanical shaft seal, comprising a housing (110, 24) assemblable in connection with a rotatable shaft (8) of a device to be sealed by ...
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WO/2021/079130A1 |
A support element for mounting a bearing and a pump comprising the support element are disclosed. The support element is configured to support a rotatable shaft and comprises a distortable portion and a bearing mounting portion, the dist...
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WO/2021/077886A1 |
A wear-resistant pump body, comprising an inner lining body (300) and an outer casing (100); the inner lining body (300) is made of bonded silicon carbide ceramics; the inner lining body (300) is provided with a cavity (301) on a partiti...
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WO/2021/081316A1 |
A vacuum that couples to storage units is provided. The vacuum includes a motor, an internal compartment, and an inlet and outlet that provide fluid communication between the internal compartment and an exterior of the vacuum. The vacuum...
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WO/2021/078404A1 |
The invention relates to an electrical device, in particular an inverter, in particular converter, the electrical device having a heat sink and a fan. The fan is surrounded by a base region of a fan housing, the fan housing comprises a g...
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WO/2021/079646A1 |
A blower (1) is provided with: a fluid introducing box (10); a fan (30) for blowing out at least one of a first fluid and a second fluid which are introduced into the fluid introducing box; and a casing (50) housing the fan. The blower i...
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WO/2021/080279A1 |
The present invention relates to an air-blowing apparatus having a detachable function extension module. The air-blowing apparatus having a detachable function extension module according to the present invention comprises: a housing havi...
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WO/2021/075034A1 |
This blower (10) is provided with: a rotation shaft (20) which comprises a first circular arc section (22) and a first flat section (23); and a boss unit (40) in which a fitting hole (41) is formed that has an inner peripheral surface (4...
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WO/2021/073226A1 |
A combined direct-current variable-frequency compressor unit, an air storage tank (2) is arranged on the outer surface of the upper end of a fixed bottom plate (1), a first air outlet pipe (3) is arranged on the outer surface of the uppe...
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WO/2021/073437A1 |
A slat for backflow prevention, a backflow prevention apparatus, and an electronic device. The slat comprises a main component (1) and a rotation shaft (2). The rotation shaft (2) is connected onto the main component (1), and divides the...
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WO/2021/072901A1 |
Disclosed are a volute assembly (1) and an induced draught fan using same. The volute assembly comprises a volute (10) and a cover plate (11) installed at the bottom of the volute, wherein an inner cavity (12) capable of installing a win...
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WO/2021/073514A1 |
An electric air pump, comprising a pump casing (10), a motor (20) provided in the pump casing (10), an impeller (30) driven by the motor (20), and a controller (40) connected to the motor (20). The motor (20) is a brushless direct curren...
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WO/2021/073509A1 |
A connecting arm (6), a fan head, a fan assembly and a fan. The fan assembly comprises the fan head and the connecting arm (6). The fan head is mounted on a support rod (4) of a base assembly (2) by means of the connecting arm (6), where...
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WO/2021/074554A1 |
Assembly for a turbomachine blade, comprising: a fastener (9) defining a pocket (10) for receiving a blade root (11), and comprising two flanks defining between them a passage leading into the pocket (10) and forming stops preventing the...
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WO/2021/075896A1 |
A blower is disclosed. The blower of the present disclosure comprises: a fan for generating a flow of air; a lower body providing an inner space in which the fan is installed and having a suction hole through which the air passes; an upp...
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WO/2021/075157A1 |
This centrifugal compressor comprises facing parts (first facing part 211b, second facing part 221b) which, when both a first aperture member 210 and a second aperture member 220 are in a protruding position, are separated from one anoth...
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WO/2021/069723A1 |
The present invention relates to a method for producing a fibre composite component, comprising the following steps: a) providing a main part (1) that has been produced by additive manufacturing, b) applying a fibre-containing reinforcin...
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WO/2021/069874A1 |
A vacuum pump and method of mounting a shaft within a vacuum pump is disclosed. The vacuum pump comprises a rotor and a stator. The rotor comprises a shaft comprising pumping elements extending therefrom. The shaft is mounted to rotate a...
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WO/2021/070356A1 |
This air-conditioning device (10) for a vehicle comprises a flow path width adjustment portion (14) that is provided at an inlet portion (11BA) of a ventilation flow path (11B) so as to be connected to the inner surface (31a) of a first ...
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WO/2021/069817A1 |
The invention proposes a variable-pitch stator vane (14) for a compressor stator (44) of a turbomachine, which extends in a radial longitudinal plane and comprises a radially inner plate (16) and a radially outer plate (18) between which...
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WO/2021/069125A1 |
The invention relates to a shaft bearing (1) having a seal arrangement (2) to prevent steam leakages that can occur in the event of temperature fluctuations or pressure fluctuations between a liquid medium on the one side and a gaseous m...
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