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WO/2020/008902A1 |
This scroll compressor comprises a fixed scroll (6), a turning scroll (9), a compression chamber (11) formed by meshing together the fixed scroll and the turning scroll, and a high-pressure region and back pressure chamber formed on the ...
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WO/2020/008849A1 |
A scroll compressor (10) comprising an intake check valve (90) that opens and closes an open end (27a) of an intake tube (27), wherein: the intake check valve (90) is configured so as to have a valve body (91) that closes off the open en...
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WO/2020/009474A1 |
The fluid transfer apparatus of the present invention comprises: a rotor housing for forming a fluid compression space having the shape of an epitrochoid surface; a rotor which is arranged inside the fluid compression space of the rotor ...
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WO/2020/008747A1 |
A compression mechanism (30) of a scroll compressor (10) comprises a fixed scroll (40) and a turning scroll (60). A discharge port (43) and a bypass discharge passage (70) are formed in a fixed-side panel part (41) of the fixed scroll (4...
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WO/2020/009466A1 |
A scroll compressor includes a fixed scroll fixed inside a housing, an orbiting scroll configured to orbit engaged with the fixed scroll, a rotary shaft configured to allow the orbiting scroll to orbit by supporting the orbiting scroll w...
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WO/2020/007665A1 |
The invention relates to a dual or multi-shaft vacuum pump comprising a motor, a first shaft and at least a second shaft, wherein the first shaft and the second shaft are driven synchronously by the motor via a common drive belt. The fir...
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WO/2020/008798A1 |
A fixed scroll (100) includes a fixed base (110) and a spiral fixed tooth portion (120). An orbiting scroll (200) is made of resin, and includes an orbiting base (260) disposed so as to face the fixed base (110) and a spiral orbiting too...
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WO/2020/006985A1 |
A scroll compressor and a vehicle having same, the scroll compressor comprising: a support (10) and a movable scroll plate assembly, the movable scroll plate assembly being movably provided on the support (10); a partition structure (40)...
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WO/2020/004220A1 |
A horizontal scroll compressor in which, as lubricating oil passes through a decompression mechanism (42), a gas refrigerant separated from the lubricating oil is caused to flow from a mechanism accommodating compartment (34c) of a rotat...
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WO/2020/002081A1 |
The invention relates to a vacuum pump displacer element (10), more particularly a vacuum pump rotary piston displacer element with a constant cross-section. The vacuum pump displacer element (10) is, at least originally, produced as an ...
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WO/2020/001379A1 |
A damping apparatus for an exhaust valve in a compressor, an exhaust valve assembly having the damping apparatus, and a compressor using the exhaust valve assembly. The damping apparatus comprises a fixed body (10); the fixed body (10) c...
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WO/2020/004167A1 |
This scroll compressor is provided with: an eccentric shaft member, secured eccentrically with respect to a rotary shaft, in which an introduction channel that passes through from a base end to a tip end in the axial direction is formed ...
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WO/2019/134869A3 |
The disclosure relates to a compressor (100), in particular a screw compressor, for generating compressed air and to a method for controlling such a compressor (100). The compressor (100) comprises a compressor block (4) with liquid inje...
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WO/2019/242721A1 |
A scroll compressor comprises: a scroll assembly (110) comprising an orbiting scroll (111) and a non-orbiting scroll (112), the orbiting scroll (111) and the non-orbiting scroll (112) respectively comprising an orbiting scroll profile (1...
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WO/2019/244273A1 |
The compression mechanism of this rotary compressor has a cylinder which has an axial through-hole, a rolling piston which is driven by a rotating shaft and which is contained in the through-hole of the cylinder, two end plates arranged ...
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WO/2019/244526A1 |
A housing (1) constitutes a pressure-resistant container. An electric motor section (3) is contained in an electric motor chamber (10) formed inside the housing (1). A frame (5) is provided inside the housing (1) and is in contact with o...
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WO/2019/242311A1 |
Disclosed is a compressor (1). The compressor comprises: a first air cylinder (11), wherein the first air cylinder (11) is provided with a first air intake (111) and a first air outlet (112), and the first air outlet (112) is used for co...
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WO/2019/242865A1 |
The invention relates to a compressor comprising a compressor housing (12), a scroll compressor unit (22) which is arranged in the compressor housing (12) and has a first stationarily arranged compressor body (24) and a second compressor...
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WO/2019/240134A1 |
Provided is a high pressure dome type scroll compressor, wherein: an oil recovery ring (70) member that recovers lubricant that has lubricated a rolling bearing (62) is disposed below the rolling bearing (62) which is in a high pressure ...
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WO/2019/239703A1 |
The compressor has a rotor and a main case for storing the rotor, wherein an inner wall of the main case has at least one pair of liquid supply holes for supplying liquid to the inside of the main case, and the distance from the central ...
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WO/2019/237690A1 |
A compressor, comprising: a support (10), a first limiting structure (11) being provided on the support (10); a rotation prevention structure (40), disposed between the support (10) and a movable scroll plate assembly and provided with a...
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WO/2019/234881A1 |
This sealed compressor comprises: a sealed container; a hollow cylinder accommodated in the sealed container; a rolling piston that eccentrically rotates; a vane that divides the space within the cylinder into an intake chamber and a com...
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WO/2019/234823A1 |
This scroll compressor has a compression section provided with: a stationary scroll having a stationary spiral body raised from a stationary base plate; and an orbiting scroll having an orbiting spiral body raised from an orbiting base p...
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WO/2019/230452A1 |
[Problem] To improve reliability using a highly durable bearing. [Solution] A cylindrical roller bearing 24 is provided inside a back-pressure chamber 37, rotatably supports a rotating shaft 23, and permits the rotating shaft 23 to be di...
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WO/2019/230451A1 |
[Problem] To improve wear resistance of a thrust plate. [Solution] A movable scroll (25) is made of an aluminum-magnesium-silicon-based alloy and subjected to alumite treatment. Further, a thrust plate (37) is coated with a resin.
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WO/2019/227842A1 |
Disclosed are a rotary compressor, a gas compression system, a refrigeration system and a heat pump system, wherein the rotary compressor comprises: a cylinder (10), a cam mechanism (30), a sliding vane (40) and a swinging block (50). A ...
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WO/2019/229842A1 |
This compressor comprises: a shell that constitutes an outer frame; a compression mechanical unit that is housed in the shell and that constitutes a compressing chamber for compressing a refrigerant; a drive mechanical unit that is house...
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WO/2019/229901A1 |
A vane pump (12) comprises: a first housing (23) in which a cylindrical rotor accommodation section (28) is formed; a cylindrical rotor (21) that is accommodated in the rotor accommodation section (28) and rotates; and a vane (22) that i...
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WO/2019/094386A8 |
The present disclosure relates to a compressor having a first rotor and a second rotor disposed within a housing, where the first rotor is configured to rotate about a first axis of the housing and the second rotor is configured to rotat...
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WO/2019/227853A1 |
Disclosed are a rotary compressor, a gas compression system, a refrigerating system and a heat pump system. The rotary compressor comprises: an air cylinder (10), a cam mechanism (30), a slip sheet (40) and a swinging block (50); a cam p...
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WO/2019/229989A1 |
This scroll compressor comprises a stationary scroll having a stationary spiral body erectly provided on a stationary base plate and an oscillating scroll having an oscillating spiral body erectly provided on an oscillating base plate, t...
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WO/2019/224943A1 |
Provided is a screw compressor in which machine power for supplying cooling liquid to a cooling flow passage for a screw rotor is reduced. The male rotor 1A of this screw compressor is provided with: a tooth section 6A having a helically...
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WO/2019/225191A1 |
In order that operating efficiency of a scroll compressor (1) is suppressed from lowering by suppressing a lubricant oil in an annular space (45) between an outer peripheral wall (37) of a housing (30) and an Oldham ring (70) from becomi...
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WO/2019/222535A1 |
A compressor may include first and second scrolls, and an axial biasing chamber. Spiral wraps of the scrolls mesh with each other and form compression pockets including a suction-pressure compression pocket, a discharge-pressure compress...
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WO/2019/220562A1 |
A screw compressor is provided with a slide valve arranged in a slide groove to slide and move between a suction side and an ejection side in a rotation axis direction of a screw rotor. An ejection-side end surface of the slide valve is ...
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WO/2019/221400A1 |
The present invention relates to a compressor having a structure for simultaneously fastening a discharge valve, a valve stopper, and a discharge cover. A scroll compressor according to the present invention comprises: a valve seat havin...
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WO/2019/221426A1 |
The present disclosure relates to a compressor with a refrigerant injection function, which secures an amount of refrigerant in circulation and actively copes with a change in the temperature of exterior air, thereby improving cold weath...
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WO/2019/218391A1 |
A double-sided two-level dry-type vortex vacuum pump comprises a motor (1), a crankshaft (2), a movable vortex plate (4), a left fixed vortex plate (5), and a right fixed vortex plate (3). A mating cavity formed between the left fixed vo...
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WO/2019/218472A1 |
A screw rod compressor using sliding bearings, comprising a female rotor (9) and a male rotor (5); an air suction end surface of the male rotor (5) and air suction and discharge end surfaces of the female rotor (9) are provided thereon w...
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WO/2019/220924A1 |
An electrically driven compressor (10) is provided with a housing (20), a compression mechanism (30), an electric motor (40), and a main shaft (50). The electrically driven compressor is provided with a first bearing (61) which rotatably...
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WO/2019/220990A1 |
[Problem] To provide: a pressurizing mechanism component for a scroll pump, having increased durability; and a scroll pump. [Solution] A pressurizing mechanism component 2 for a scroll pump 1 is configured so that a fluid containing cham...
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WO/2019/216098A1 |
This scroll compressor has different discharge timings for a first compression chamber (S21) on the inner peripheral side of a fixed wrap (62) and a second compression chamber (S22) on the outer peripheral side, and has oil inflow groove...
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WO/2019/212598A1 |
A scroll device has a fixed scroll, and orbiting scroll, and at least one cooling chamber configured to receive coolant to cool the fixed scroll or the orbiting scroll. A flexible conduit that curves around an orbital axis of the orbitin...
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WO/2019/207760A1 |
This scroll compressor is provided with a shell which contains an orbiting scroll, and with a stationary scroll which is contained in the shell and which, together with the orbiting scroll, forms at least a first compression chamber and ...
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WO/2019/208951A1 |
A scroll compressor according to the present invention comprises: a casing; a rotation shaft positioned inside the casing; a driving unit configured to rotate the rotation shaft; and a compression unit including a first and a second fixi...
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WO/2019/207759A1 |
This scroll compressor is provided with: a frame which holds an orbiting scroll so that the orbiting scroll can orbit; a stationary scroll which, together with the orbiting scroll, forms a compression chamber which compresses a refrigera...
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WO/2019/207783A1 |
This scroll compressor is provided with: a fixed scroll that has a fixed baseplate provided with a first spiral protrusion; an orbiting scroll that forms, between the orbiting scroll and the fixed scroll, a compression chamber for compre...
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WO/2019/207785A1 |
Provided is a scroll compressor to which an injection pipe is connected. The scroll compressor is provided with: a stationary scroll which has a first base plate and a first spiral body; an orbiting scroll which has a second base plate a...
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WO/2019/207617A1 |
This scroll compressor is configured so that a refrigerant gas once taken into a hermetic container is compressed in a compression chamber. A second base plate section of an orbiting scroll has formed therein: an annular groove open to a...
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WO/2019/207784A1 |
This scroll compressor is provided with a stationary scroll, an orbiting scroll, and a thrust plate. An oil holding space is formed on the inside of the thrust plate, a compression chamber is formed between the stationary scroll and the ...
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