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WO/2019/091247A1 |
An air cylinder, a pump body assembly, and a compressor. The air cylinder comprises a cylinder body (1) and an air suction port (2) formed in the cylinder body (1). A first refrigerant channel (3) is also formed in the cylinder body (1),...
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WO/2019/093106A1 |
A compressor 1 is provided with: a male rotor 50; a female rotor 60 engaging with the male rotor 50 and having a rotation axis parallel to the rotation axis of the male rotor 50; a rotor casing 10 defining a male rotor chamber 31 which c...
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WO/2019/093181A1 |
This oil feed-type screw compressor 1 is provided with: a compressor body 100; an oil tank 12 for storing oil; pipes 6a to 6d for delivering oil from the oil tank 12 to an additional oil-feed opening 121d; an additional oil feed valve 34...
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WO/2019/089956A1 |
A scroll compressor can include a housing, a rod member, and a nut. The housing can define a first bore. The non-orbiting scroll can include a flange. The flange can define a second bore. The rod member can have a first axial end that is...
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WO/2019/088523A1 |
The present invention relates to a scroll compressor, the scroll compressor comprising: a housing (9) including a suction inlet port (10) and a system-outlet port (11); a first scroll member (1) which is fixedly disposed in the housing (...
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WO/2019/086924A1 |
This invention reveals a novel rotary mechanism. The proposed mechanism is different and novel compared to existing rotary mechanisms where there is a rotating cam or a cam shaft designed to open and close the ports of the engine by way ...
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WO/2019/088240A1 |
This compressor which has a stationary scroll (12) and a movable scroll (11) and in which the movable scroll is rotated relative to the stationary scroll to compress fluid in multiple stages and discharge the compressed fluid is provided...
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WO/2019/087227A1 |
This scroll compressor is provided with: a fixed scroll having an injection port formed in a base plate; a swinging scroll that forms a compression chamber with the fixed scroll; a shell that contains the fixed scroll and the swinging sc...
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WO/2019/087785A1 |
A screw compressor (1) is provided with a sliding valve mechanism (50) for adjusting the opening area sizes of cylinder openings (51A, 51B) formed in a cylinder part (25) of a casing (10), wherein a plurality of valve members (52A, 52B) ...
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WO/2019/084019A1 |
A compressor casing having an internal gas passage includes a first bearing housing arranged at a first end of the casing, a second bearing housing arranged at a second, opposite end of the casing, and a rotor case disposed between the f...
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WO/2019/080523A1 |
A compressor, a refrigeration system and an air conditioner, the compressor comprising: a crankshaft (1), a first air cylinder (2) having a first cavity (21), and a second air cylinder (3) having a second cavity (31); the crankshaft (1) ...
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WO/2019/083214A1 |
The present invention relates to a method for manufacturing a scroll compressor (1) and, particularly, to a pretreatment method for coating regions of a scroll compressor (1), which come into contact with each other during operation of t...
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WO/2019/083778A1 |
A fluid machine includes a first rotor rotatable about a first axis, a second rotor rotatable about a second axis, a casing for supporting said first rotor and said second rotor, a sump having a volume of lubricant contained therein, a f...
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WO/2019/076064A1 |
A compressor and an air conditioner having same. The compressor comprises a motor and a pump assembly. The motor drives, by means of a crankshaft (17), the pump assembly to work by means of a crankshaft (17); an accommodating space is fo...
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WO/2019/077704A1 |
In order to provide a scroll compressor equipped with a valve plate with which an opening/closing operation can be carried out smoothly, this valve mechanism (V) for a scroll compressor, which operates on the basis of a difference in pre...
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WO/2019/077978A1 |
This compressor is provided with: an airtight container (1); an electric motor unit disposed within the airtight container (1); a compressor mechanism unit which compresses a refrigerant by being driven by the electric motor unit; an int...
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WO/2019/076080A1 |
A scroll compressor having a lubricating structure, comprising: a shell, as well as a moving scroll plate (1), a not-moving scroll plate (2), a main bearing pedestal (6) and a driving assembly which are disposed in the shell. The inner s...
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WO/2019/077714A1 |
Provided is a scroll compressor (1) in which, in one of a scroll case (20) and an Oldham's ring (50), a case key (52) comprising a key protrusion disposed slidably in a groove longitudinal direction in a case key groove (24) has formed o...
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WO/2019/076684A1 |
The invention relates to a screw rotor for screw vacuum pumps, comprising a rotor shaft (10) which bears at least two displacement elements (12, 14). The displacement element (12) is conical in the conveying direction (22) and the adjoin...
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WO/2019/077979A1 |
This compressor is provided with a stationary scroll, at least one discharge opening, a reed valve, a valve stop, and a vent hole. The at least one discharge opening is provided in the stationary scroll. The reed valve is provided on the...
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WO/2019/073605A1 |
This scroll compressor has: a compression mechanism section having a stationary scroll and an orbiting scroll which orbits relative to the stationary scroll; a rotating main shaft; a variable radial crank mechanism which, through a movem...
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WO/2019/073679A1 |
This screw compressor is provided with a screw rotor (21) and a rotor shaft (47), i.e. the rotating shaft of the screw rotor (21). The screw compressor is also provided with a casing which forms together with the screw rotor (21) a plura...
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WO/2019/072118A1 |
A compressor and an operation control method thereof, and an air conditioner. The compressor comprises a first air cylinder (1), a second air cylinder (2), and a switching mechanism. The volume of the first air cylinder (1) is larger tha...
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WO/2019/073993A1 |
This scroll fluid machine unit is provided with a cooling fan which can be activated independently from a scroll fluid machine. When the scroll fluid machine is stopped, the cooling fan is controlled so as to be activated until the tempe...
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WO/2019/069886A1 |
Provided is a two-way-rotating scroll compressor with which the life of a synchronous drive mechanism can be extended. This compressor comprises a synchronous drive mechanism that transmits drive force from a drive-side scroll member to ...
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WO/2019/069441A1 |
The present invention provides a refrigeration cycle device that is provided with a scroll compressor capable of opening and closing an injection check valve while requiring no spring. A refrigeration cycle device (1) is provided with: a...
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WO/2019/061899A1 |
A pump body assembly and a compressor having same, the pump body assembly comprising: two structural members; a cylinder (20) provided between the two structural members; a rotary shaft (30) passing through the two structural members and...
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WO/2019/061892A1 |
An oil line structure of a compressor, comprising: a main shaft (1), an upper flange (2), and a rolling bearing (3); an inner portion of the rolling bearing (3) encloses to form an air cylinder cavity that is used for compression, the ro...
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WO/2019/064187A1 |
The present application provides a slide valve, wherein the slide valve is configured to regulate a load of a twin-screw compressor. The slide valve comprises a slide valve body, wherein the slide valve body has a connecting end and a fr...
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WO/2019/061898A1 |
A pump body assembly comprises: a rotary shaft (10) having a rotor portion (11), wherein the rotor portion (11) is provided with multiple sliding vane slots (111); a cylinder (20), wherein the rotary shaft (10) passes therethrough, and t...
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WO/2019/065404A1 |
A screw compressor 1 is provided with: a rotor casing 10 that defines a rotor chamber S1 accommodating a screw rotor body 16a; a shaft part 16c that extends from the screw rotor body 16a in such a manner as to penetrate through the rotor...
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WO/2019/061893A1 |
A compressor and an air conditioner having same. The compressor comprises: a spindle (10), the spindle (10) being provided with a protruding portion (11), and sliding sheets (12) being mounted on the protruding portion (11); an air cylin...
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WO/2019/058733A1 |
An Oldham coupling (90) which reciprocate to limit the rotation of a movable scroll (40) is disposed between the movable scroll (40) and a housing (50). The four support legs (27) of a support bracket (25) which supports a casing (15) ar...
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WO/2019/057056A1 |
Disclosed are a movable scroll device (1) for a scroll compressor and a method for manufacturing same. The method comprises: manufacturing the movable scroll device (1) by means of casting steps, so that the movable scroll device (1) com...
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WO/2019/052080A1 |
Disclosed is a pump assembly, a piece of fluid machinery comprising the pump assembly, and a heat exchange apparatus comprising the fluid machinery, the pump assembly comprising: a cylinder (10) having an inner cavity (11) and a sliding ...
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WO/2019/049076A1 |
The invention provides a sliding contact single vane rotary vacuum pump in which an oil supply passage is placed in the centre of the rotating vane through which a lubricating oil flows, which provides oil distribution in the pump chambe...
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WO/2019/049226A1 |
[Problem] To provide a low-cost, high-quality compressor for which the degree of design freedom with respect to a connection position between an introduction path and an injection path of an injection flow path can be increased, manufact...
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WO/2019/049415A1 |
Provided is an oil feed type air compressor with which it is possible to reduce the power consumption of a compressor main body during no-load operation. This oil feed type air compressor is provided with: a compressor main body (1) whic...
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WO/2019/047478A1 |
A compressor and a fabrication method therefor, wherein the compressor comprises: a housing (2); a motor (3) and a cylinder (5), which are housed in the housing (2); a crankshaft (31), the crankshaft (31) transmitting the rotational forc...
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WO/2019/049497A1 |
The present invention comprises: a blank forming step in which a casing blank (70) is formed by die-casting, the casing blank (70) having a first cylindrical section (41), a second cylindrical section (42), and an annular section (44) wh...
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WO/2019/043741A1 |
This compressor has: a stationary scroll provided with a base plate and a spiral wrap which is formed on the base plate; and an orbiting scroll provided with a base plate and a spiral wrap which is formed on the base plate. The stationar...
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WO/2019/042572A1 |
The invention relates to a screw compressor comprising a compressor housing (12) with a screw rotor chamber (18), two meshing screw rotors (26, 28) which are arranged in the screw rotor chamber and are mounted each on the compressor hous...
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WO/2019/044349A1 |
This compressor comprises: a fixed scroll (6) and a revolving scroll (7), which constitute a compression mechanism section (2); a compression chamber (9); an intake chamber (11); a discharge port (12); a muffler (16); and a heat-insulati...
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WO/2019/044390A1 |
This screw compressor comprises a screw rotor, a casing, and a liquid supply unit (38) that supplies a liquid in film form into a compression chamber formed in the casing. The screw rotor has a male rotor and a female rotor. Formed on th...
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WO/2019/044867A1 |
[Problem] To prevent excessive amounts of oil from being taken into a compression mechanism. [Solution] A fixed scroll (10) constituting a compression mechanism (3) of a scroll compressor (1) is provided with at least one working fluid i...
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WO/2019/045298A1 |
A scroll compressor includes a fixed scroll including a fixed mirror-like surface and a fixed wrap that is extended from the fixed mirror-like surface, formed in a hybrid curve, and includes a thick portion thicker than other portions; a...
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WO/2019/045454A1 |
Provided is a scroll compressor in which an installation position of a check valve is optimized, such that a back flow of a refrigerant is prevented at the time of stopping of the scroll compressor, flow noise can be reduced, the refrige...
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WO/2019/043470A1 |
Machine provided with a machine element (2) and an oil pump (4) and a motor (3) to drive the machine element (2) and the oil pump (4), whereby the oil pump (4) is provided with a shaft (13) with a rotor (12), whereby the oil pump (4) is ...
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WO/2019/045656A1 |
Provided is a rotary compressor including a compression mechanism. The compression mechanism includes: a cylinder, which has a through hole formed therein, and is configured to cause a rotary shaft to pass therethrough; a piston, which i...
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WO/2019/043546A1 |
The invention relates to a volumetric compressor (100) including a container (51 ) for collecting the lubricant moved by an oil distribution disc (1 ). The compressor (100) further comprises at least two lubricant distribution channels (...
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