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WO/2021/100168A1 |
Provided is a sealed compressor having: a sealed container; a hollow cylinder that is accommodated inside the sealed container; a rolling piston that eccentrically rotates along an inner circumferential wall of the cylinder; a vane that ...
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WO/2021/100141A1 |
This scroll compressor and a refrigeration cycle device using the same are configured such that: a compression mechanism comprises an oscillating scroll and a non-oscillating scroll, with the planar position thereof being governed by a g...
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WO/2021/100153A1 |
This scroll compressor is provided with: a shell comprising a first inner wall surface forming a first accommodating space, and a first protruding portion formed protruding from the first inner wall surface; and a fixed-side base plate o...
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WO/2021/099759A1 |
A scroll pump (100, 200) comprising a first scroll (130) with a cooling conduit (170) extending therethrough and a fan (160) configured to blow cooling gas towards the first scroll (130), wherein the cooling conduit (170) is configured t...
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WO/2021/098314A1 |
A pump body assembly, a heat exchange equipment, a fluid machinery and an operating method therefor. The pump body assembly comprises: a piston (1), a rotating shaft (2), a piston sleeve (3), and an air cylinder (4); the rotating shaft (...
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WO/2021/100823A1 |
Provided is a scroll compressor that enables adequate lubricating oil to be supplied to a compression chamber positioned between an outermost lateral surface of a fixed scroll wrap and an inner lateral surface of a movable scroll wrap. A...
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WO/2021/098941A1 |
The invention relates to a scroll compressor with a high-pressure chamber (80), a low-pressure chamber (87), an orbiting displacement spiral (60) which is arranged on a driven eccentric unit (50) and which engages into a stationary spira...
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WO/2021/100166A1 |
A rotary compressor is provided with: a sealed container; an annular cylinder that is accommodated in the sealed container; a rolling piston that eccentrically rotates along an inner peripheral surface of the cylinder; a vane that recipr...
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WO/2021/095151A1 |
Provided are a compressor and the like in which outflow of lubricating oil is suppressed. A compressor (100) is provided with: an electric motor (7) including a stator (7a) and a rotor (7b); a crankshaft (4) which rotates integrally with...
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WO/2021/097297A1 |
A compressor may include a shell assembly, a compression mechanism, a driveshaft, a first bearing, a second bearing, a third bearing, and a surface supporting the third bearing. The compression mechanism may include first and second comp...
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WO/2021/088467A1 |
A scroll compressor (100, 200). The scroll compressor (100, 200) comprises a partition plate (30), a compression mechanism (20), a capacity adjustment device (M1, M2), and a sealing assembly (S1, S2). The sealing assembly (S1, S2) isolat...
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WO/2021/089486A1 |
The scroll compressor comprises a fixed scroll (8) having an fixed end plate (11) and a fixed spiral wrap (12) extending from the fixed end plate (11); an orbiting scroll (9) having an orbiting base plate (14) and an orbiting spiral wrap...
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WO/2021/088482A1 |
Disclosed are a zero-clearance screw rotor and a preparation method therefor. The zero-clearance screw rotor comprises a female rotor (1) and a male rotor (2) that are engaged with each other; the female rotor (1) comprises a female roto...
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WO/2021/090423A1 |
A scroll compressor provided with: a cylindrical shell; a fixed scroll that has a disc-shaped first substrate and first spiral teeth provided on the first substrate and is fixed to an inner wall of a peripheral side surface of the shell;...
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WO/2021/088474A1 |
A sliding vane, a pump body assembly, a compressor and an air conditioner. The sliding vane comprises a sliding vane body (1). The sliding vane body (1) comprises a first sliding surface and a second sliding surface which are arranged in...
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WO/2021/082627A1 |
A main bearing housing assembly for a scroll compressor (1) and a scroll compressor (1) having the main bearing housing assembly. The main bearing housing assembly comprises: a main bearing housing (40); and a thrust plates (50; 150), th...
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WO/2021/082628A1 |
A scroll compressor, the scroll compressor comprising a fixed scroll (2) and a moving scroll (3), the moving scroll (3) being configured to be capable of orbiting relative to the fixed scroll (2) in order to compress fluid; a main bearin...
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WO/2021/084607A1 |
This scroll compressor has: a compression mechanism part housed in a cylindrical shell; a driving mechanism part for driving the compression mechanism part; a main shaft for transmitting a driving force of the driving mechanism part to t...
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WO/2021/084925A1 |
A discharge port (60) of a rotary-screw compressor comprises: a first opening (61) having a profile that is capable of cutting off communication with a second operating chamber (C2) of an intake path that opens only in the axial directio...
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WO/2021/085282A1 |
Provided is a claw pump that enables a pump chamber to be prevented from overheating even when the pump is used in a high range of degrees of vacuum, as a vacuum pump, and that enables remarkable improvement of pump efficiency. The prese...
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WO/2021/087493A1 |
Apparatus and associated methods relate to a modular rotary engine with a rotating valve shaft assembly. The rotating valve shaft assembly controls the timing of operations that alternately load and seal compressed air in a plurality of ...
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WO/2021/084996A1 |
This compressor body is provided with: a compression mechanism having a screw rotor for compressing gas; a casing that houses the compression mechanism and forms a compression operation chamber; an intake-side bearing for bearing the scr...
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WO/2021/079087A1 |
Sensor assembly (12) for use in an apparatus comprising at least one moving part (18) and at least one stationary part (16), the assembly comprising a probe (32) and means (58) for mounting the sensor to a stationary part (16) of the app...
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WO/2021/079088A1 |
Aspects of the present invention relate to a stator component (5) for a pump housing (1). The stator component (5) has a plurality of fluid inlet channels (19-n) for conveying fluid to respective pumping chambers (11-n). The fluid inlet ...
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WO/2021/079477A1 |
Provided is a compressor, for example, having high performance and reliability. A compressor (100) comprises an upper bearing (5c) and a lower bearing (5d) of which at least one is provided with an oil pocket (h10) in a surface facing a ...
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WO/2021/074806A1 |
A screw compressor (1) comprises: a housing including an inlet port (11, 13) and an outlet port (12); a screw rotor, arranged into the housing; a compression chamber, delimited by the screw rotor and by the housing; a dampening device fo...
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WO/2021/074804A1 |
A screw compressor (1), comprising: a housing including an inlet port (11, 13) and an outlet port (12); a screw rotor, arranged into the housing; a compression chamber, delimited by the screw rotor and by the housing; a dampening device ...
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WO/2021/076143A1 |
In some examples, a co-rotating scroll compressor includes a driver scroll having an axis aligned with the main axis and having a spiral involute; an idler scroll having an axis offset from the main axis and having a spiral involute inte...
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WO/2021/073302A1 |
A compressor, comprising: a compression mechanism (160), which is used for compressing a working fluid; and a drive support assembly, which is used for providing power and support for the compression mechanism (160) and at least comprise...
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WO/2021/073852A1 |
A dry vacuum pump has a stator (2) and two rotors (5) that are accommodated in at least one compression chamber (3) of the stator (2), the rotors (5) being configured to rotate synchronously in opposite directions so as to drive a gas to...
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WO/2021/074947A1 |
This scroll compressor is provided with: a fixed scroll body in which a fixed base plate and a fixed spiral body formed on the fixed base plate are provided; and an oscillation scroll body in which an oscillation base plate and an oscill...
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WO/2021/071910A1 |
A screw compressor includes an outlet housing. The outlet housing includes a passage that is configured to communicate compressed fluid from a screw rotor to a discharge. A removable cover plate is configured to cover a portion of the pa...
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WO/2021/070548A1 |
This screw compressor is provided with a screw rotor, a casing accommodating the screw rotor, and a liquid feed mechanism for feeding a liquid into an operating chamber enclosed by the casing, wherein the pitch of the screw rotor changes...
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WO/2021/067031A1 |
A rotary vane pump includes a housing that includes first and second plates respectively secured to first and second opposing sides of an intermediate plate. The intermediate plate includes a bore and inlet and outlet ports. The first an...
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WO/2021/065391A1 |
Provided is an insulating rolling bearing that can prevent electrolytic corrosion and also prevent a gap from occurring between a shaft and a bearing ring. A sub bearing 21 includes: an inner ring 22 and an outer ring 23; a plurality of ...
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WO/2021/066371A1 |
The present invention relates to a device (3) for driving a compressor of a vapourous fluid, in particular an electric motor. The device (3) is produced with a housing (2) that comprises a cooling surface (16) and a power supply arrangem...
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WO/2021/056764A1 |
A sliding assembly, a compressor and a refrigeration device, the sliding assembly comprising a sliding piece (30), an elastic piece and a connecting piece (60). The connecting piece (60) is arranged between the sliding piece (30) and the...
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WO/2021/056796A1 |
A compressor and a cooling device. The compressor comprises: a housing (160), a stator (111) and a rotor (112), a first cylinder (121), a first piston (122) provided in the first cylinder (121), a second cylinder (124), and a second pist...
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WO/2021/053741A1 |
A rotary compressor according to the present invention comprises: a sealed container filled with a refrigerant therein; a compression part, housed within the sealed container, for compressing the refrigerant; and an electric unit, housed...
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WO/2021/054241A1 |
[Problem] To strike a balance between reducing the weight of an oscillating scroll and balancing weight. [Solution] A scroll compressor (10) comprises: a fixed scroll (70) and an oscillating scroll (80) housed within a housing (20); and ...
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WO/2021/054634A1 |
The present invention relates to a compressor module (33) for a refrigerant circuit of a motor vehicle air-conditioning system, exhibiting a modular multi-part housing with a low-pressure refrigerant inlet, a high-pressure refrigerant ou...
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WO/2021/051697A1 |
A screw compressor and an air conditioning unit. The screw compressor comprises a housing (10), and a male rotor (20) and a female rotor (30) disposed in the housing (10). The male rotor (20) and the female rotor (30) are arranged in the...
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WO/2021/047972A1 |
The invention relates to a vane pump (2) comprising an electric drive unit with a drive shaft (4); a pump chamber (6); a rotor (10) which is rotatably arranged in the pump chamber (6) about a rotational axis (8) and which comprises a num...
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WO/2021/047107A1 |
A compressor and a refrigeration unit, the compressor comprising a housing (1), a compression cavity (2) and a gas supplementation cavity (3) being disposed in the housing (1), a gas supplementation duct (4) being disposed in the housing...
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WO/2021/049793A1 |
The present invention relates to a positioning arrangement for positionally accurate connection of a basic component (4) to a centring component (3) for achieving axial centricity of a basic component axis (6) and a centring component ax...
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WO/2021/049267A1 |
This scroll compressor is provided with an outside oil supply mechanism (80) for supplying oil into an outside chamber (S1) of a compression chamber (S), and an inside oil supply mechanism (85) for supplying oil into an inside chamber (S...
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WO/2021/044954A1 |
This scroll compressor: includes, on a rear surface of an orbiting scroll (120), a high pressure chamber (221), and an intermediate pressure chamber (222) into which pressure midway through compression is introduced; and is configured in...
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WO/2021/045361A1 |
This rotary compressor comprises: a casing forming the outer shape; a rolling piston that rotates eccentrically in an internal space; a vane that contacts the rolling piston and divides the internal space into a suction chamber and a com...
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WO/2021/043808A1 |
The invention relates to a stator (40) of an electrical coolant drive (2), comprising a stator assembly (42) having a number of stator teeth that are provided with coils of a multi-phase stator winding, and a contact device (44, 44', 44'...
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WO/2021/040140A1 |
The present invention provides an electric compressor having a built-in inverter circuit board, the electric compressor comprising: an inverter receiving space formed at the outer surface of a housing in which a rotor and a rotary shaft ...
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