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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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WO/2023/232353A1 |
The invention relates to a vacuum pump (1) comprising a stator (2) and two shafts (4) of rotors (5) that are configured to rotate in at least one pumping stage (T1-T7) of the stator (2). The invention is characterised in that, for each s...
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WO/2023/226415A1 |
A fluid machine and heat exchange equipment. The fluid machine comprises a crankshaft (10), a cylinder sleeve (20), a cross groove structure (30), slide blocks (40), and two flanges (50); the crankshaft (10) is provided with two eccentri...
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WO/2023/226411A1 |
A fluid machine and a heat exchange device. The fluid machine comprises a crankshaft (10), a cylinder sleeve (20), a cross slot structure (30), sliding blocks (40) and two flanges (50). The crankshaft (10) is provided with two eccentric ...
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WO/2023/227764A1 |
A lubricant sealed pump system is disclosed that comprises a lubricant sealed rotary vane pump configured to pump fluid from an inlet to an exhaust; and a lubricant reservoir for retaining lubricant and for supplying lubricant to and rec...
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WO/2023/227765A1 |
A lubricant sealed pump system is disclosed that comprises a lubricant sealed rotary vane pump configured to pump fluid from an inlet to an exhaust; and a lubricant reservoir for retaining lubricant and for supplying lubricant to and rec...
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WO/2023/226414A1 |
Provided are a fluid machine and a heat exchange device. The fluid machine comprises a crankshaft (10), a cylinder sleeve (20), a cross-groove structure (30), a sliding block (40), and two flanges (50), wherein the crankshaft (10) has tw...
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WO/2023/227610A1 |
A rotary vane vacuum pump (1) and method for evacuating a vacuum chamber (2) are disclosed. The rotary vane vacuum pump comprises: an inlet (3) for connection to the vacuum chamber (2) and an outlet (4) for exhausting fluid pumped by the...
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WO/2023/228343A1 |
This rotary compressor includes: a rotational shaft; a bearing that is configured from a slip bearing and that has an inner diameter surface that supports the rotational shaft; a cylinder chamber including a suction chamber into which a ...
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WO/2023/226413A1 |
A fluid machine and a heat exchange device. The fluid machine comprises a crankshaft (10), a cylinder sleeve (20), a cross groove structure (30), sliding blocks (40), and two flanges (50). The crankshaft (10) is provided with two eccentr...
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WO/2023/226409A1 |
A fluid machine and a heat exchange device. The fluid machine comprises a crankshaft (10), a liner (20), a cross groove structure (30), a sliding block (40) and two flanges (50). Two eccentric parts (11) are provided in the axial directi...
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WO/2023/228874A1 |
Provided is a rotary compressor wherein a rotary compression unit (6) has: a piston rotor; a cylinder that houses the piston rotor; an upper bearing (4A) and a lower bearing that are arranged so as to sandwich the cylinder therebetween a...
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WO/2023/226407A1 |
A fluid machine and a heat exchange device. The fluid machine comprises a crankshaft (10), a cylinder sleeve (20), a cross groove structure (30), sliding blocks (40), and two flanges (50). The crankshaft (10) is provided with two eccentr...
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WO/2023/223031A1 |
A multi-stage vacuum pump (400) includes a stator assembly defining at least three chambers (104a-104f), a rotor assembly (110) having at least three rotors housed in respective ones of the chambers to define at least three pump stages (...
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WO/2023/221677A1 |
A compression assembly (10), a fixed scroll (100) and a scroll compressor (1). The compression assembly (10) comprises the fixed scroll (100) and an orbiting scroll (400). The fixed scroll (100) comprises a base (110) provided with a mou...
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WO/2023/224241A1 |
The present invention relates to a scroll compressor comprising: a shaft rotated by a driving source; an orbiting scroll carrying out an orbiting motion by the shaft; a fixed scroll engaged with the orbiting scroll; and a main frame comp...
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WO/2023/223992A1 |
Provided is a valve capable of smooth variation of pressure. The valve comprises: a housing 60 that is divided into a first space S1 into which suctioned fluid Ps flows, a second space S2 into which discharged fluid Pd flows, and a third...
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WO/2023/217528A1 |
A hydrogen production apparatus (11) for a wind turbine (2), comprising: an electrolytic hydrogen production unit (18) for producing hydrogen gas (12) from electrical energy generated by the wind turbine (2), a compressor unit (19) for c...
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WO/2023/218584A1 |
This scroll compressor is provided with: a shell having an oil reservoir portion in a bottom part thereof; a compression mechanism unit that is disposed inside the shell and compresses a refrigerant; a driving mechanism unit that drives ...
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WO/2023/220473A1 |
Systems and methods for a compressor system (100, 200) are provided for selectively operating the compressor system with reduced power consumption. An output demand level of the compressor system can be monitored (302) over time to ident...
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WO/2023/213782A1 |
The invention relates to a displacement machine according to the spiral principle, in particular a scroll compressor, said machine comprising: an electric motor (10); an orbiting displacement spiral (21); and a counter spiral (22), the d...
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WO/2023/213504A1 |
The invention relates to a positive-displacement machine according to the spiral principle, in particular a scroll compressor, said displacement machine comprising a housing (100) which has a compressor housing (20) and a drive housing (...
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WO/2023/213767A1 |
The invention relates to a displacement machine according to the spiral principle, in particular a scroll compressor, said machine comprising a housing (100) and a compression assembly (150) which has an electric motor (10), an orbiting ...
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WO/2023/214021A1 |
A rotor assembly comprising: a rotor (104) comprising a screw-type body portion, the screw-type body portion comprising a plurality of lobes (300), the lobes (300) of the plurality of lobes (300) defining a plurality of inter-lobe volume...
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WO/2023/207934A1 |
A vortex compression mechanism and a vortex compressor comprising same. The vortex compression mechanism comprises a fixed vortex (22) and a moving vortex (24). A moving vortex head section (246) and a fixed vortex head section (226) def...
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WO/2023/207536A1 |
A fixed scroll (100) applied to a scroll compressor (300), and a scroll compressor (300). The fixed scroll (100) comprises: a scroll body (10), the scroll body (10) defining a working medium flow groove (11), which has an open end; scrol...
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WO/2023/210097A1 |
This screw compressor is provided with: a compressor body including a casing in which a liquid supplying mechanism for injecting a liquid into an accommodation chamber is provided; and a liquid supplying system that collects a liquid inc...
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WO/2023/210768A1 |
Discharge ports (24, 29) communicating with a discharge-side space (52) are formed in cylinder end plates (25, 41) of a rotary compressor (1). The discharge ports (24, 29) are formed such that when viewed from the axial direction of a dr...
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WO/2023/204456A1 |
An embodiment of the present invention provides a scroll compressor comprising: a housing; a motor provided in the housing; a rotary shaft rotated by the motor; an orbiting scroll interlocked with the rotary shaft to perform orbital moti...
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WO/2023/202552A1 |
A scroll compressor, comprising a fixed scroll (150), an orbiting scroll (160) and a floating seal (S). The fixed scroll comprises a fluid channel (155), and a back pressure chamber (BC) is in communication with an intermediate-pressure ...
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WO/2023/203939A1 |
[Problem] To provide a scroll compressor that can effectively suppress the influence of a centrifugal force or the like due to turning movement of a turning scroll over conventional art. [Solution] In a scroll compressor, when a line pas...
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WO/2023/202674A1 |
A stationary scroll plate (100) applied to a scroll compressor (200), and a scroll compressor (200). The stationary scroll plate (100) comprises: a scroll plate body (10), wherein the scroll plate body (10) is provided with a working med...
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WO/2023/204354A1 |
A scroll compressor is provided. The scroll compressor comprises a main frame provided between a first compression unit and a second compression unit, and the main frame may comprise at least one back pressure communication unit communic...
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WO/2023/204513A1 |
The present application relates to a rotor and an electric compressor including same, whereby a rotor having one balance weight module can be manufactured in a motor part through press-fitting, thereby making it easy to manufacture and c...
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WO/2023/204353A1 |
A scroll compressor is provided. The scroll compressor comprises: a first compression part comprising a first stationary scroll and a first orbiting scroll; and a second compression part comprising a second stationary scroll and a second...
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WO/2023/202621A1 |
A scroll component of a compression mechanism, a compression mechanism having the scroll component, and a scroll compressor. A scroll blade (10, 20, 30, 40, 50, 60) of the scroll component comprises a compression section (102, 202, 302, ...
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WO/2023/203944A1 |
[Problem] The present invention addresses the problem of providing a scroll-type fluid machine and a method for manufacturing the same that suppress product manufacturing costs without the risk of burn-in or the like between a pair of sc...
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WO/2023/197944A1 |
A compressor (1) and an additional oil injection system having the compressor (1). The compressor (1) is provided with a compression cavity (11) and a gas discharge opening (12). The compression cavity (11) is in communication with the g...
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WO/2023/197895A1 |
A tooth surface compressor meshing structure. The tooth surface compressor meshing structure is characterized in that one of two surfaces of the compressor that are meshed each other is a tooth surface, and the other one is a traditional...
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WO/2023/198314A2 |
A Roots-type device can include a housing assembly having a first opening and a second opening in fluid communication with an internal cavity; a pair of identical rotors oppositely arranged within the housing internal cavity, each of the...
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WO/2023/193886A1 |
The present invention is directed to an automotive vacuum pump (10) comprising: a pumping chamber (14), a first silencing chamber (16) which is fluidically connected with and downstream of the pumping chamber (14), a second silencing cha...
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WO/2023/195640A1 |
Disclosed is a rotary compressor. The rotary compressor comprises: a case; a cylinder which is disposed inside the case and has an inner space, and which includes a rolling piston eccentrically pivoting in the inner space, a vane in cont...
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WO/2023/189871A1 |
A maximum value of an angle ψa in a second rear seal line (87) is set at ψa - max. A maximum value of an angle ψb in a first front seal line (81) is set at ψb - max. A minimum value of an angle ψc in a second front seal line (86) is...
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WO/2023/187438A1 |
The present invention discloses a scroll compressor 1 comprising: a first cover 40 fixed on a fixed scroll 22; and a second cover 50 fixed on the first cover 40. The first cover 40 includes a first top plate 42 and a first peripheral wal...
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