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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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WO/2021/070826A1 |
This centrifugal compressor CC is provided with a non-abutment part 140 and an abutment part 142 that are provided at a wall surface (accommodation chamber-facing surface) 112c that is on the upstream side of a first movable member 210 a...
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WO/2021/070499A1 |
This centrifugal compressor CC comprises a first movable member 210 and a second movable member 220 that are movable between a protruding position, at which a circulation flow passage is closed by a main body part and the protruding sect...
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WO/2021/069724A1 |
The invention relates to a method for producing a synthetic fibre composite component, comprising the following steps: a) providing a carbon-based and/or ceramic main part (1) that has been produced by additive manufacturing, and b) join...
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WO/2021/069143A1 |
The invention relates to a turbomachine (1) for supplying air to a fuel cell system, comprising at least one compressor wheel (3) conjointly connected to a shaft (2), and an electric motor (4) for driving the shaft (2), the compressor wh...
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WO/2021/068827A1 |
A fan lamp, comprising a rotating disc (1), an elastic return assembly (2) and fan blades (3), wherein the fan blades (3) are connected with the rotating disc (1) by means of the elastic return assembly (2), and the elastic return assemb...
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WO/2021/070498A1 |
A drainage structure 300 is provided with: an accommodating chamber AC formed on the intake air upstream side of a compressor impeller 9, within a main body B in which an intake flow path 130 is formed; a first movable member 210 and a s...
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WO/2021/071169A1 |
The present invention relates to an air compressor for a vehicle, the air compressor having improved internal cooling efficiency by ensuring a circulation flow of compressed air for internal cooling and allowing the compressed air to suf...
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WO/2021/065363A1 |
In order to cool a coil of an electric motor (20) of a turbo compressor (10) using a simple configuration, in this turbo compressor, which is provided in a refrigerant circuit (70) that performs a refrigeration cycle, and which compresse...
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WO/2021/067646A1 |
An electrical submersible pump assembly (15) has a motor lead (33) extending alongside the pump housing (51) to the motor (19) for supplying electrical power to the motor. At least one standoff (37) wedges between the pump housing (51) a...
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WO/2021/063805A1 |
A turbomolecular vacuum pump (1) comprises a stator (2), a rotor (3) configured to rotate in the stator (2) about an axis of rotation (I-I) and a regulation valve (13) configured to modify the inlet conductance of said vacuum pump (1) by...
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WO/2021/068008A1 |
This invention relates to a multi-stage rotor (10). More specifically, the invention relates to a multistage rotor (10) for the compressor stage of a machine that, through a concentric configuration of its innermost (12), outermost (24) ...
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WO/2021/066853A1 |
A centrifugal electric submersible pump (ESP). The centrifugal ESP comprises a rotatable shaft, a series of impellers stacked on the rotatable shaft, each impeller comprising a hub secured to the rotatable shaft by a key, the series of i...
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WO/2021/016146A9 |
A compressor including a casing and an impeller arranged within the casing. The impeller is rotatable about an axis. A diffuser section is arranged within the casing. The diffuser section is positioned downstream from an outlet of the im...
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WO/2021/065622A1 |
This fan assembly (80) is provided with a cross-flow fan (23), a cross-flow fan motor (24), a first bearing (60), and a second bearing (70). The cross-flow fan (23) comprises a first end section (23a) and a second end section (23b). The ...
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WO/2021/064333A1 |
The invention describes a system for controlling the cyclic setting of blades (1) of a turbine engine propeller, the blades (1) being arranged in a plane normal to the axis of rotation (r) of the propeller, the system comprising: - a pla...
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WO/2021/063050A1 |
A fan and an axial-flow impeller (10). The axial-flow impeller (10) comprises a first fan blade (100); the first fan blade (100) comprises a plurality of first vanes (110) and a first hub (120); the plurality of first vanes (110) are arr...
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WO/2021/064533A1 |
A seal assembly is described. The seal assembly comprises: a mechanical compound shaft sealant for creating an interface between a dry end and a wet end of a centrifugal pump; a gland seal stop for mounting on a shaft near the wet end of...
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WO/2021/067637A1 |
A heating, ventilation, and/or air conditioning (HVAC) system (10) includes a compressor (32) having an impeller (200) configured to rotate and drive a working fluid through a working fluid circuit (152) of the HVAC system (10) in an act...
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WO/2021/065674A1 |
A turbofan (30) is provided with an end plate (31), a shroud (32), and a blade member (33). In the turbofan (30): a section of the space between the end plate (31) and the shroud (32) serves as a pressurizing flow path (43), the section ...
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WO/2021/067478A1 |
A heat transfer circuit includes a compressor, a condenser, an expander, and an evaporator. The compressor includes a shaft that is rotated to compress a working fluid and a gas bearing to support the shaft. A conduit is configured to su...
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WO/2021/063604A1 |
The invention relates to a compressor (30). In order to increase the operating efficiency of the compressor (30), the compressor (30) is equipped with a structure-borne sound detector (33), which is used during the operation of the compr...
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WO/2021/059551A1 |
The rotating device according to an embodiment is provided with: a bearing assembly body having a pair of bearings and a sleeve fixed to the outer circumferential surfaces of the pair of bearings; a shaft fixed to the inner circumferenti...
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WO/2021/059976A1 |
The objective of the present invention is to provide a thin fan device having a waterproof function and a dustproof function. In a fan device (1), an impeller (20), a motor (30) for rotating the impeller (20), and a board (40) provided...
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WO/2021/058945A1 |
A vibration damping connector system (110) to provide a sealed flow path between a port of a vacuum chamber and a suction port of a vacuum pump has a first end member (112) configured to define a first end of the flow path, a second end ...
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WO/2021/058341A1 |
The invention relates to a single-vane impeller (3) for pumps for pumping liquids interfused with solid additives, comprising an impeller body (11), wherein one vane (13) is arranged in the impeller body (11) between a first cover disc (...
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WO/2021/059899A1 |
In the present invention, a fan (16) comprises a plurality of blades (18) and a side panel (20) which includes a cylindrical fan ring section (201) centered on a fan shaft (CL) and to which one end of the plurality of blades is respectiv...
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WO/2021/060838A1 |
The present invention relates to an impeller-type exhaust apparatus for blocking electric heat comprising: a first disc facing a high-temperature gas; a second disc spaced apart from the first disc to form a heat blocking space; a plural...
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WO/2021/058946A1 |
A packed tower is disclosed. The packed tower for treating an effluent stream comprising a fluid and particles from an abatement apparatus comprises: a packed tower housing having an inlet for receiving the effluent stream; an outlet for...
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WO/2021/060794A1 |
A ceiling fan according to the present invention generates an upward indoor gas flow and increases the upward indoor gas flow by controlling the inclination angle of a rotary blade and the inclination angle of an airflow control member a...
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WO/2021/059328A1 |
Provided are an indoor unit for a refrigeration cycle device, and an impeller, such that it is possible to efficiently blow air on a heat exchanger and suppress a decrease in heat exchange efficiency. The indoor unit (1) comprises: a hea...
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WO/2021/060504A1 |
This vertical multi-stage pump is provided with a rotating shaft extending in a vertical direction, a plurality of impellers fixed to the rotating shaft, a multi-stage pump chamber which accommodates the plurality of impellers and which ...
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WO/2021/058125A1 |
The invention relates to an internal combustion engine, which comprises at least one cylinder head with a water pump that is integrally cast in the cylinder head housing.
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WO/2021/060697A1 |
A suction apparatus including a plurality of fans according to the present invention comprises: a main body provided with a suction port and an exhaust port; a driving unit which is installed in the suction port and provides a rotational...
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WO/2021/058995A1 |
Integrated motor-compressor unit (10) comprising a motor (12) and a compressor (14) coupled to said motor (12) via a rotatable shaft (16) and mounted in a single common housing (18) configured to circulate a cooling fluid in a cooling ci...
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WO/2021/056258A1 |
A manufacturing method for producing a three-dimensional plastic impeller of a centrifugal pump by means of mold forming, comprising a twisted blade mold (M1) and an impeller outlet mold (M2), the twisted blade mold being used for formin...
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WO/2021/060976A1 |
The present invention relates to a mobile pump system for pumping water for extinguishing with an auxiliary agent, and a method therefor. The mobile pump system according to the invention comprises: - a frame for housing the pump system;...
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WO/2021/055879A1 |
Centrifugal pump systems and related methods are disclosed herein that can shift a best efficiency point of a pump based on one or more operating conditions to operate more efficiently across and/or adjust to a broader range of condition...
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WO/2021/055232A1 |
A fluid machine and method of operating the same comprises a pump portion, turbine portion and a center bearing therebetween. The method includes communicating lubricant to a thrust bearing cavity disposed between a turbine impeller and ...
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WO/2021/053010A1 |
The fan assembly provided with a fan ring, including a first leg and a second leg, may be arranged with a shroud that may include a first sidewall, a second sidewall, a third sidewall, a first ring, a second ring, and a third ring. An ai...
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