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WO/2024/022493A1 |
A scroll (2) for a scroll compressor (100) and a scroll compressor (100). The scroll (2) comprises: an end plate (21), the end plate (21) having a first surface (211) and a second surface (212) opposite to each other; a scroll wrap (22) ...
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WO/2024/022505A1 |
A scroll compressor, comprising: a first scroll plate (11) comprising a first end plate (112) and a first scroll wrap (113) extending downwards from the first end plate (112); a second scroll plate (12) comprising a second end plate (123...
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WO/2024/021948A1 |
A scroll compressor (1), in particular a co-rotating scroll compressor. The scroll compressor (1) comprises: a first scroll plate (5), which is provided with a first base plate (51) and a first scroll (52) arranged on the first base plat...
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WO/2024/024253A1 |
A liquid-cooled screw compressor (100), which takes in gas and generates compressed gas, comprises: screw rotors (2, 3); a casing (1) accommodating the screw rotors (2, 3) and forming an operation space (C) together with the screw rotors...
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WO/2024/022477A1 |
A compressor (1000), comprising: a housing (100); a first scroll member (10) and a second scroll member (20), the first scroll member (10) being provided with a first end plate (11) and a first scroll wrap (12) extending from the first e...
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WO/2024/022295A1 |
A scroll compressor and a refrigeration device. The scroll compressor comprises a housing (10), wherein a partition plate (12) is provided in the housing (10); the partition plate (12) divides the interior of the housing (10) into a disc...
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WO/2024/025137A1 |
Devices for compressing a gaseous fluid each have a housing with a cylindrical cavity configured in the housing, in which a spiral nozzle assembly is arranged. As such, the spiral nozzle assembly is configured with a spirally revolving w...
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WO/2024/025159A1 |
The present invention provides a scroll compressor comprising: a casing; a driving motor provided inside the casing; a rotation shaft rotatably coupled to the driving motor and including a first and a second eccentric portion formed to b...
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WO/2024/021947A1 |
A scroll plate cover (1). The scroll plate cover comprises a peripheral wall (11) and a chamber (12) formed on an inner side of the peripheral wall (11), the chamber (12) being used for accommodating a scroll plate. At least one discharg...
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WO/2024/024254A1 |
This compressor (10) comprises a casing (20) having: a cylindrical barrel section (20a); a to-be-fixed member (F) that is fixed to the barrel section (20a); and a plurality of welded parts (80) that are provided in the circumferential di...
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WO/2024/021946A1 |
A sealing ring (6). The sealing ring can be mounted in the gap to be sealed between a first surface (52) and a second surface. The sealing ring (6) comprises a circular main body (61) and an elastic support member (63). The circular body...
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WO/2024/022504A1 |
A driving member for a scroll compressor and a scroll compressor comprising a driving member. The driving member (3) comprises: a hub portion (31) having an inner hole (30), the hub portion (31) comprising a first end portion (311) and a...
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WO/2024/019431A1 |
The present invention relates to an electric compressor, comprising: a motor housing, wherein a rotor and a rotary shaft are disposed at the internal center thereof, a stator is configured to be spaced apart from the rotor at the outside...
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WO/2024/016748A1 |
A pump body assembly, a compressor and a double-temperature air conditioning system. The pump body assembly comprises a high-pressure compression portion and a low-pressure compression portion, the high-pressure compression portion compr...
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WO/2024/017410A1 |
The present application relates to a scroll compressor and an Oldham ring and a mating component for the scroll compressor. In the present application, a hollow portion is provided near at least one of engagement walls of a key of the Ol...
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WO/2024/017409A1 |
The present application relates to a rotary shaft support assembly and a compressor. The rotary shaft support assembly includes: a support seat, which is provided with an orifice; and a thrust plate, which is supported on the support sea...
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WO/2024/018831A1 |
[Problem] To improve durability of scrolls in a scroll compressor. [Solution] This scroll compressor 1 includes a fixed scroll 50 and an orbiting scroll 60 that are made of an aluminum-based material. A first coating layer C1 produced th...
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WO/2024/012896A1 |
The scroll compressor comprising a compressor shell (2) having a discharge outlet (4), and a discharge check valve assembly (18) including a valve housing (21) arranged at the discharge outlet (4) and provided with a metal valve seat (24...
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WO/2024/014747A1 |
A scroll compressor comprising: a casing; a main frame installed inside the casing; a fixed scroll installed on an upper side of the main frame; an orbiting scroll installed below the fixed scroll so as to orbit relative to the fixed scr...
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WO/2024/002348A1 |
A fixed scroll assembly (100) and a scroll compressor comprising the fixed scroll assembly (100). The fixed scroll assembly (100) comprises a fixed scroll part (110), at least two bypass inlet sections (111), piston chambers (121), bypas...
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WO/2024/002338A1 |
A fixed scroll assembly, a scroll compressor, and a method for machining a fixed scroll assembly. The fixed scroll assembly comprises a fixed scroll component (20) and a sealing assembly (40), wherein the fixed scroll component (20) comp...
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WO/2024/003981A1 |
In this scroll compressor, a suction port for guiding a fluid that has been sucked into a shell to a compression chamber comprises: an inlet part that is a portion in which the flow path cross-sectional area decreases from an upstream-si...
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WO/2024/001523A1 |
Provided are an exhaust valve assembly and a scroll compressor comprising same. The exhaust valve assembly comprises: an exhaust valve casing (1), comprising a side wall (11) and a hollow chamber (12), wherein the side wall (11) is provi...
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WO/2024/001516A1 |
A rear compressor housing assembly and a scroll compressor comprising same. The rear compressor housing assembly comprises a rear housing body (1) and a mounting plate (2), which is in sealed connection to the rear housing body (1), wher...
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WO/2024/006075A1 |
A compressor may include a compression mechanism and an oil pump. The compression mechanism is configured to compress a working fluid. The oil pump may be defined by a driveshaft and a bearing. The driveshaft is drivingly connected to th...
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WO/2024/002351A1 |
A compression mechanism (CM), a scroll compressor, and a control method for the scroll compressor. The compression mechanism (CM) comprises: a movable scroll (200) having a movable scroll end plate (20) and a movable scroll blade (22) fo...
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WO/2024/003732A1 |
The present invention relates to a screw compressor (10), particularly for refrigeration circuits, comprising: - a containment body (11) in turn comprising: - a suction chamber (11a) and a suction port (12) for a fluid to be compressed; ...
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WO/2023/247083A1 |
The invention relates to a dry vacuum pump (1) comprising at least one purge duct (16) comprising two channels (17, 18) which are provided in the thickness of an interstage transverse half-wall (9a) of a half-shell (4), each channel (17,...
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WO/2023/248559A1 |
Provided is a hermetic compressor that reduces the noise produced by gas refrigerant discharged from a valve cover and improves an oil separation function by means of the following configuration. A valve cover 60 has an attachment surfac...
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WO/2023/246204A1 |
Provided is a dual-mode compressor. The dual-mode compressor comprises a first scroll (31), a second scroll (32), and an impeller (33). The first scroll (31) and the second scroll (32) define a scroll compression working cavity (3a), and...
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WO/2023/248325A1 |
This compressor comprises a cylinder, a rotating shaft, a roller, a blade, and an injection flow path. The cylinder has a spring insertion hole in which a spring that presses the blade toward the roller is disposed. The injection flow pa...
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WO/2023/246196A1 |
An electric compressor, an air conditioning system, and a vehicle. The electric compressor (100) comprises a housing assembly (1) and a compression mechanism (2). The housing assembly (1) comprises a first housing (11) and a support (12)...
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WO/2023/248450A1 |
This screw compressor is provided with a variable Vi (internal volume ratio) mechanism comprising a slide valve that moves in an axial direction of a screw rotor between a suction side and an ejection side, wherein the stop position of t...
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WO/2023/246366A1 |
An eccentric sliding block for a crankshaft, a scroll compressor, and a temperature control apparatus. The eccentric sliding block for a crankshaft comprises a sliding block body (10), wherein the sliding block body (10) is provided with...
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WO/2023/248711A1 |
[Problem] The present invention addresses the problem of providing a scroll-type fluid machine internally equipped with a fixed scroll and a movable scroll comprising an aluminum material, and the scroll-type fluid machine has no risk of...
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WO/2023/243270A1 |
Provided is a screw compressor in which air and the like can be prevented from being mixed into steam in a compression chamber and compression performance can be improved.　This screw compressor comprises a casing 2 that forms a compres...
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WO/2023/243854A1 |
The present rotary compressor comprises: a rotation shaft which rotates in a first rotation direction and defines an oil passage space in which oil moves; an oil hole corresponding to a cylinder; a gas hole disposed above the cylinder; a...
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WO/2023/243171A1 |
A casing of this screw compressor has a discharge-side inner wall surface facing the discharge-side end surfaces of a male rotor and a female rotor. The discharge-side inner wall surface of the casing has a shield region which periodical...
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WO/2023/243768A1 |
Provided is a scroll compressor. The scroll compressor comprises: a first rotary scroll coupled to a first eccentric part of a rotary shaft to create a first compression chamber; a second rotary scroll coupled to a second eccentric part ...
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WO/2023/240969A1 |
An oil return structure of a compressor, a compressor, and an air conditioner. The oil return structure of a compressor comprises: a static disc (2) and a cover body (1); the end surface of the static disc (2) facing the cover body (1) i...
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WO/2023/239084A1 |
An orbiting scroll of a scroll compressor includes a platter wall having a first face including a spiral structure projecting therefrom, a second face having a coupling structure configured to couple the orbiting scroll to a drive mechan...
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WO/2023/236499A1 |
The present application relates to a pump body assembly, a compressor and an air conditioner with same. The pump body assembly comprises a crankshaft (1), a compression structure (2), and a separation structure (3), wherein the crankshaf...
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WO/2023/238725A1 |
This rotary compressor is provided with a blade that abuts on an outer peripheral surface of a piston rotor and partitions the space of a compression room, and a pressure spring that presses a base end of the blade. A cylinder (60) is pr...
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WO/2023/240239A1 |
The disclosure relates to a screw pump (2) comprising: a casing (3) with an inlet (30), an outlet (31) and a flow chamber (32) between the inlet and the outlet, and at least two screws (4, 5, 6) housed in the flow chamber to force a flui...
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WO/2023/240238A1 |
The disclosure relates to a method of manufacturing a screw for a screw pump (2), the method comprising molding a screw in a molding tool using a polymer material and ejecting the screw from the mold by applying an axial force to it, whe...
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WO/2023/237955A1 |
According to an embodiment, the invention comprises a beam-shaped housing (100) for housing a system for transmitting a torque from a drive shaft of a motor to rotor shafts of a rotary screw compressor, the housing (100) comprising a mot...
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WO/2023/232333A1 |
Vertical vacuum pump (1) having a stator (2), two rotors (6) respectively having an end (11) provided with a cavity (19), at least two bearings (15) mounted in a respective cavity (19), and at least two support spindles (21) for supporti...
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WO/2023/232803A1 |
A rotary vane vacuum pump comprising a pump system (20), a control unit (10), a fan (50) and a housing (52) is disclosed. The pump system comprises a stator and a rotor mounted within the stator, the rotor being configured to cooperate w...
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WO/2023/233764A1 |
This screw compressor comprises a casing having a liquid supply mechanism for supplying a liquid to an accommodation chamber accommodating a screw rotor. The liquid supply mechanism has: a spraying hole that opens to the accommodation ch...
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WO/2023/233838A1 |
A compressor (1A) comprises: a case (11); a motor (12) accommodated in the case; and a compression mechanism unit (13) accommodated in the case and configured to be capable of being driven by the motor. The inside of the case is under a ...
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