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WO/2024/079458A1 |
A scroll pump inlet valve and scroll pump are disclosed. The scroll pump inlet valve comprises: a valve seat formed by at least one of a stator and an inlet cover of the scroll pump; and a sealing mechanism, mounted to the stator or the ...
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WO/2024/078123A1 |
A compressor housing and a compressor (100) having same. The housing comprises a shell (10), a partition plate (30) and a cover plate (20). The partition plate (30) covers an opening at an upper end of the shell (10), and the cover plate...
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WO/2024/079947A1 |
A bearing cover body (40B) having a cover part (47) and a boss part (48) is coupled to a front surface (411) of a driven end plate (41). A recessed part (50) forming an ejection valve chamber (44) is recessed in the front surface (411), ...
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WO/2024/079951A1 |
In this scroll compressor, a first scroll (30) has a first end plate (31) and a first spiral body (33), and a second scroll (40) has a second end plate (41) and a second spiral body (43). The first end plate (31) has an end-plate-side st...
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WO/2024/080632A1 |
A compressor coupling component includes a planar main body with a first, front side and a second, rear side opposite the first side, a cylindrical coupling neck, which is integrally formed on or fastened to the planar main body or inser...
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WO/2024/078678A1 |
A sliding vane rotary pump (1) for conveying a fluid, with a housing (2), with a rotor receiving chamber (3), and with a lubricant chamber (14). An eccentrically arranged rotor (4) is provided in a rotor receiving chamber (3) in such a w...
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WO/2024/080686A1 |
The present invention relates to a scroll compressor comprising: a housing; a motor provided inside the housing; a rotating shaft which is rotated by the motor; an orbiting scroll which orbits by means of the rotating shaft; a fixed scro...
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WO/2024/074801A1 |
Multistage vacuum pump and stator for such a pump comprising: two half shell components (10) defining a void for receiving two rotors and forming a plurality of pumping chambers. An outer casing (20) is provided to surround and enclose t...
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WO/2024/075740A1 |
A seal ring (1) is annular around an axis (x), and comprises one side surface (1a) that is an annular surface facing one side in the axis (x) direction, and another side surface (1b) that is an annular surface facing the other side in th...
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WO/2024/075275A1 |
This screw compressor comprises a casing, a screw shaft, a screw rotor, a gate rotor, a slide valve, and a bearing housing. The slide valve has a valve body part that faces the screw rotor, and a guide part that has a sliding surface tha...
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WO/2024/075176A1 |
This screw compressor comprises: a casing having a cylindrical inner cylinder surface part in which a discharge port is formed; a screw rotor disposed so as to rotate freely inside the inner cylinder surface part of the casing; and a sli...
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WO/2024/070389A1 |
A scroll compressor according to the present invention comprises, on an upper surface of an Oldham ring 17: a pair of fixed scroll-side key parts 17a which slide with respect to a fixed scroll 11; and a pair of orbiting scroll-side key p...
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WO/2024/073351A1 |
A bearing system for a compressor includes an unloader (116) at least partially received within a recess (118) of a driveshaft (138). The unloader includes an outer surface (242) that is engaged with a bearing (140). An inner surface (24...
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WO/2024/070280A1 |
The present invention provides a method for manufacturing a vane to be used in a compressor comprising a cylinder, a piston orbiting along the inner circumference of the cylinder, and end plates sealing both ends of the cylinder, the van...
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WO/2024/069829A1 |
Provided is a scroll compressor etc. having good performance and high reliability. This scroll compressor (100) comprises a compressing mechanism part (2) that compresses, in a compression chamber (C1), a refrigerant suctioned in via a s...
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WO/2024/069770A1 |
Provided is a compressor etc. having good performance and high reliability. This compressor (100) comprises a cylindrical oil ring (15) provided between a compressing mechanism part (2) and an electric motor (6). A balance weight (8) has...
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WO/2024/071547A1 |
The present invention provides a scroll compressor that can improve the performance and efficiency of a compressor by increasing the amount of refrigerant discharged from a compression chamber of the scroll compressor by introducing not ...
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WO/2024/066312A1 |
The present application provides a pump body assembly, a compressor assembly, and an air conditioning system. The pump body assembly comprises: a first air cylinder (203) having a first air suction hole (301); a second air cylinder (205)...
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WO/2024/070388A1 |
Through intermittent communication between an inner circumferential side space 106i of a piston 106 and a suction chamber 110, a rotary compressor according to the present disclosure uses an opening time of an oil feeling groove 117 for ...
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WO/2024/071543A1 |
Disclosed is a scroll compressor. The scroll compressor may comprise: a retainer block inserted into a block insertion groove of a non-orbiting scroll; and a block support member that is provided between the retainer block and a back pre...
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WO/2024/071551A1 |
The present invention provides a scroll compressor capable of improving performance and efficiency of the compressor by introducing a coolant of intermediate pressure, as well as a coolant of suction pressure, into a compression chamber ...
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WO/2024/060638A1 |
An oil separation cover and a scroll compressor. The oil separation cover is used for oil-gas separation of the scroll compressor, and comprises a base (9) and a cover body connected to the base (9). The cover body is provided with an in...
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WO/2024/063236A1 |
The present invention relates to an electric compressor comprising: a housing; a compression mechanism which compresses a refrigerant in the housing; and a motor which provides power to the compression mechanism, wherein: the motor compr...
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WO/2024/062859A1 |
[Problem] To provide an electric compressor that can be made lightweight while any deformation of a stator housing to which a stator is fixed by shrink-fitting is minimized. [Solution] This electric compressor comprises a cylindrical sta...
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WO/2024/059604A1 |
An electric compressor includes a housing, refrigerant inlet port, a refrigerant outlet port, an inverter section, a motor section, a compression device and a front cover. The housing defines an intake volume and a discharge volume. The ...
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WO/2024/059601A1 |
An electric compressor includes a housing, refrigerant inlet port, a refrigerant outlet port, an inverter section, a motor section, a compression device and a front cover. The housing defines an intake volume and a discharge volume. The ...
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WO/2024/059598A1 |
An electric compressor includes a housing, refrigerant inlet port, a refrigerant outlet port, an inverter section, a motor section, a compression device and a front cover. The housing defines an intake volume and a discharge volume. The ...
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WO/2024/059603A1 |
An electric compressor includes a housing, refrigerant inlet port, a refrigerant outlet port, an inverter section, a motor section, a compression device and a front cover. The housing defines an intake volume and a discharge volume. The ...
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WO/2024/059599A1 |
An electric compressor includes a housing, refrigerant inlet port, a refrigerant outlet port, an inverter section, a motor section, a compression device and a front cover. The housing defines an intake volume and a discharge volume. The ...
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WO/2024/059605A1 |
An electric compressor includes a housing, refrigerant inlet port, a refrigerant outlet port, an inverter section, a motor section, a compression device and a front cover. The housing defines an intake volume and a discharge volume. The ...
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WO/2024/058333A1 |
The present invention provides a scroll compressor which can minimize deformation of a valve plate, in an injection valve assembly, and can maintain a flat shape because even if a bead part of a gasket retainer is pressed down, the defor...
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WO/2024/057922A1 |
[Problem] To provide an inverter-integrated electric compressor with which, while reducing the weight of a cover that closes an inverter accommodating portion, and reducing production costs, it is also possible to suppress vibration and ...
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WO/2024/053541A1 |
[Problem] To prevent a phenomenon of tilting of a ring with respect to a ring fitting portion of a rotation prevention mechanism. [Solution] A scroll compressor (10) comprises a rotation prevention mechanism (120) that prevents rotation ...
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WO/2024/048926A1 |
This hermetic compressor comprises: a casing; a motor that is installed inside the casing and includes a rotor and a stator; a driving shaft that rotates as a single body with the rotor; a compression unit that is installed below the mot...
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WO/2024/045886A1 |
A pump body assembly, a compressor and a refrigeration apparatus. The pump body assembly is used for the compressor, and comprises a crankshaft (10) and an auxiliary machine frame (40), wherein a mounting hole (41) is provided in the aux...
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WO/2024/044838A1 |
Various embodiments are provided herein for a system and method for air compression. In at least some embodiments provided herein, there is provided a compressor device having an annular chamber, at least one inlet port, at least one bla...
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WO/2024/042984A1 |
[Problem] To provide a scroll compressor that can prevent breakage even in a case where a rear bearing supporting a shaft has larger outer diameter dimension than a shaft seal. [Solution] This scroll compressor comprises: a rear bearing ...
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WO/2024/042986A1 |
[Problem] To provide an electric compressor that can cut down a material cost with a reduction in the dimension of an end plate used to prevent movement of a permanent magnet embedded in a rotor core of a motor. [Solution] This electric ...
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WO/2024/042012A1 |
A scroll pump seal for inhibiting fluid flow into and out of a pumping chamber defined between a first scroll and a second scroll of a scroll pump is disclosed. The first and second scroll are configured for relative orbital motion. The ...
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WO/2024/042989A1 |
[Problem] To provide a scroll compressor that makes it possible to effectively suppress strong contact between the wrap of a movable scroll and an end plate of a fixed scroll to improve durability, without a loss in function. [Solution] ...
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WO/2024/041002A1 |
The present application provides a variable-capacity compressor and an air conditioning system. The variable-capacity compressor comprises: a first cylinder, a first sliding sheet and a first partition plate, wherein the first cylinder i...
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WO/2024/042412A1 |
A stator for use in a vacuum pump, comprising: an inlet stator part comprising a working fluid inlet; and an exhaust stator part comprising: a working fluid outlet; a purge gas inlet; and a purge gas channel extending through the exhaust...
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WO/2024/037245A1 |
A scroll compressor and a refrigeration apparatus. The scroll compressor comprises a main frame, a movable scroll plate and a stationary scroll plate assembly, wherein the movable scroll plate is mounted on the main frame, and the movabl...
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WO/2024/038656A1 |
In this liquid-supply-type screw compressor, a driving mechanism slidably drives a valve body by means of: a first biasing force due to an elastic force of an elastic body in a direction from a first valve body position to a third valve ...
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WO/2024/034741A1 |
A scroll compressor is disclosed. The scroll compressor has back pressure holes which are formed in a non-orbiting scroll and a back pressure chamber assembly, and communicate a compression chamber and a back pressure chamber. In additio...
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WO/2024/032534A1 |
A compression mechanism, comprising: a fixed scroll, the fixed scroll comprising a fixed scroll end plate and a fixed scroll blade; a movable scroll, the movable scroll comprising a movable scroll end plate and a movable scroll blade, an...
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WO/2024/031787A1 |
The present invention provides a pressure balance structure of a carbon dioxide scroll compressor. The pressure balance structure comprises a compressor body, a scroll assembly, and a one-way valve, wherein the compressor body has an exh...
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WO/2024/035791A1 |
A compressor may include non-orbiting and orbiting scrolls, a hub plate, and primary and secondary discharge valve assemblies. The non-orbiting scroll includes a first end plate having primary and secondary discharge passages. The hub pl...
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WO/2024/034213A1 |
This screw compressor comprises male and female rotors that are accommodated in a casing so as to be in mesh with each other and be capable of rotating about parallel rotational axes. The male and female rotors each include a rotor teeth...
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WO/2024/034235A1 |
This oil-cooled screw compressor is provided with: a compressor body (1) including a pair of screw rotors (11); and a gear room (24) that accommodates a power transmission gear (21) to transmit rotation to the pair of screw rotors (11) a...
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