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WO/2020/015284A1 |
Disclosed are a pump body assembly, fluid machinery and a heat exchange device. The pump body assembly comprises: an upper flange (10); a lower flange (20); an air cylinder (30) sandwiched between the upper flange (10) and the lower flan...
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WO/2020/017020A1 |
This compressor is provided with: a compression mechanism (3) for compressing a refrigerant; a rotary shaft (6) that has formed therein an oil supply path (61) for supplying oil to a slide part including the compression mechanism; and a ...
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WO/2020/015291A1 |
A pump body assembly, a fluid machine, and a heat exchange device. The pump body assembly comprises: at least two structural members; an air cylinder (20) disposed between the two structural members; and a piston assembly disposed in the...
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WO/2020/015290A1 |
A pump assembly, a fluid machine, and a heat exchange device. The pump assembly comprises: a lower flange (12); a lower wear ring (60); a cylinder (20), the lower wear ring (60) being located within the cylinder (20), and the lower flang...
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WO/2020/011769A2 |
The invention relates to a scroll compressor which comprises the following: a compressor unit (20) having a stationary stator spiral element (21) and a rotatable rotor spiral element (22) which is mounted so as to be axially movable rela...
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WO/2020/011126A1 |
A screw compressor system (100) and a heat exchange system (700) comprising the screw compressor system (100). The screw compressor system (100) comprises: a speed change motor (1) , a screw compressor (2), and a controller (101); wherei...
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WO/2020/012887A1 |
In a screw compressor provided with a slide valve (52), a valve body (53) of the slide valve (52) is formed to have a cross section of a crescent shape, a curvature (R2) of an outer arc-shape curved surface (P2) is made to be smaller tha...
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WO/2020/013652A1 |
Provided is a compressor apparatus comprising: a casing defining appearance of the apparatus; and a drive portion coupled to an inner circumferential surface of the casing and configured to rotate a rotatable shaft; a compression portion...
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WO/2020/013055A1 |
This rotary compressor includes a motor unit and a compression unit disposed below the motor unit, the motor unit and the compression unit being disposed inside a sealed container having vertical cylindrical shape. The compression unit i...
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WO/2020/012350A1 |
Disclosed is single stage rotary screw compressor (100) comprising housing (102) having working-fluid inlet (106), compression-chamber (104), and working-fluid outlet (108). Moreover, single stage rotary screw compressor comprises a rota...
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WO/2020/008793A1 |
A back-pressure chamber (19) is formed on the rear surface side of the end plate (51) of a movable scroll (50). An annular space (65) is formed on the outer peripheral side of the end plate (51) of the movable scroll (50). The movable sc...
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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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