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WO/2021/171489A1 |
This screw compressor comprises: a cylindrical casing; a screw rotor disposed so as to rotate inside the casing; and a motor that is disposed inside the casing and that drives the screw rotor. In the casing, a motor frame in which the mo...
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WO/2021/171662A1 |
[Problem] To provide a gas-liquid separator that increases the flow rate of a gas-liquid mixture made to flow into a main body section, to suitably separate the gas and the liquid. [Solution] The gas-liquid separator 1 comprises a cylind...
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WO/2021/171677A1 |
In the present invention, a lower-end plate cover (170S) is provided with a bulging section (171S), a portion of which faces a lower discharge hole. In the circumferential direction of a rotating shaft (15), a plurality of bolt holes (13...
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WO/2021/164240A1 |
A counterweight assembly (180a, 180b) and a compressor (10) having same. The counterweight assembly (180a, 180b) comprises: a counterweight body (184) having a cylindrical outer peripheral surface and a hollow part therein.
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WO/2021/167288A1 |
An embodiment of the present invention provides a scroll compressor comprising: a housing; a motor which is provided in the housing; a rotary shaft which is rotated by the motor; an orbiting scroll which revolves in connection with the r...
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WO/2021/164239A1 |
A compressor, comprising: a casing body (20), the casing body (20) having a suction inlet (22), a casing body inner wall (27), and a casing body outer wall (26); a compression mechanism, the compression mechanism being used for performin...
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WO/2021/160677A1 |
The invention relates to a screw compressor for compressing a medium, having a drive unit (01), which has a drive (06, 07), and having a compressor unit (03), which has two intermeshing rotors (21, 22) with mutually complementary screw p...
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WO/2021/161009A1 |
A multi-stage vacuum pump comprising a stator defining multiple pumping chambers is discussed. The stator comprises a plurality of transfer channels for providing a fluid passage from an outlet port of one of the plurality of pumping cha...
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WO/2021/162039A1 |
This compressor (1) comprises: a drive mechanism (10) and a compression mechanism (100) driven by the drive mechanism (10). The compression mechanism (100) has a discharge passage (P) through which a refrigerant compressed by the compres...
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WO/2021/157071A1 |
A soundproof cover for compressors according to the present disclosure covers a compressor (11) having a shell (11a), and a temperature sensor that is provided on the upper portion of the shell and measures the temperature of the surface...
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WO/2021/158662A1 |
A multistage compressor system with intercooler can include a sealed housing with first and second compressor stages, where the first compressor stage is for receiving refrigerant from outside of the sealed housing, and the second compre...
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WO/2021/156938A1 |
This scroll compressor (1) comprises a hollow shell and a compression mechanism part (14) accommodated inside the shell and having a fixed scroll (90) which has a planar first base plate (95) and spiral first spiral teeth (96) that exten...
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WO/2021/153991A1 |
The present invention relates to an electric compressor, a jig for assembling an inverter, and an inverter manufacturing method. An inverter of the electric compressor comprises a frame coupled to a substrate, the frame comprising: a bas...
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WO/2021/155278A1 |
A compressor may include a shell assembly, a first scroll, a second scroll, a driveshaft, and a bearing. The first scroll includes a first end plate and a first spiral wrap extending from the first end plate. The second scroll includes a...
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WO/2021/153307A1 |
This electric compressor is provided with a control board for controlling an electric motor, and a connecting portion for electrically connecting the electric motor and the control board. The electric motor has a plurality of first conne...
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WO/2021/153541A1 |
A scroll compressor (10) that comprises a frame (60) and an oil separation member (70). The oil separation member (70) is fixed to the frame (60). The oil separation member (70) suppresses the mixing of a refrigerant and a lubricating oi...
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WO/2021/152913A1 |
A rotary compressor (1) comprises a compressor casing (10) provided with a refrigerant discharge part (107) and refrigerant intake parts (104, 105), and an accumulator (25) secured to the outer peripheral surface of the compressor casing...
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WO/2021/152914A1 |
A rotary compressor (1) is equipped with: a sealed compressor housing (10) provided with a refrigerant discharge part (107) and refrigerant suction parts (104, 105); a compression part (12) that is disposed inside the compressor housing ...
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WO/2021/153992A1 |
The present invention relates to an electric compressor, an inverter manufacturing apparatus and an inverter manufacturing method. An inverter of an electric compressor comprises: a substrate having a plurality of elements mounted thereo...
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WO/2021/152915A1 |
A compression unit (12) of a rotary compressor comprises: a cylinder (121T, 121S); an upper-end plate closing the upper side of the cylinder (121T, 121S); a lower-end plate closing the lower side of the cylinder (121T, 121S); and a pisto...
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WO/2021/149180A1 |
This compressor comprises: a shell that configures an outer case and has an oil reservoir for collecting oil formed in a lower section thereof; a motor that is provided inside the shell; a compression part that is provided inside the she...
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WO/2021/148525A1 |
Dry vacuum pump (1) in which the at least two pumping stages (1a-1f) each have an inlet (7) and an outlet (8) emerging from a respective half-shell (9, 10), the stator (2) also having a stator casing (15) surrounding the joined half-shel...
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WO/2021/147337A1 |
A scroll compressor, the scroll compressor comprising: a rotary shaft (4); a compression mechanism (M), the compression mechanism (M) comprising a fixed scroll member (2) and a moving scroll member (3), an extension portion of the moving...
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WO/2021/145561A1 |
The present invention relates to a compressor that heats steam and a laundry treating apparatus to which the compressor is applied. The compressor may have a structure to prevent condensation of steam therein or to discharge condensed st...
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WO/2021/144919A1 |
Obtained is a compressor that can suppress refrigerant leakage even if a section of a sealed container breaks because of, for instance, a fatigue breakdown occurring due to the compressor being used in the marketplace for a long period t...
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WO/2021/139421A1 |
A screw compressor and an air conditioner. The screw compressor comprises a housing (1) and a rotor assembly. The rotor assembly is rotatably arranged inside the housing and comprises: a rotating shaft, and coaxially arranged on the rota...
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WO/2021/137651A1 |
A lyophilizer comprising a plurality of vacuum pumps, according to one embodiment of the present invention, is a lyophilizer which dries samples in a pressure state less than or equal to the triple point of water, and comprises: a lyophi...
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WO/2021/130119A1 |
A vacuum pump is disclosed. The pump comprises: an enclosure having a pumping chamber which houses a pair of inter-engaging lobed rotors, each carried by respective bearings located within bearing apertures defined by a head plate; and a...
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WO/2021/130117A1 |
A multi-stage vacuum pump is disclosed. The multistage vacuum pump has a plurality of stages, comprising: at least one higher vacuum stage which is operable to receive fluid from a high vacuum device to be compressed; at least one lower ...
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WO/2021/132857A1 |
The present invention relates to a low-temperature oil-feed-type air compressor system which enables the separation and recirculation of compressed air, condensate, and cooling oil that are ejected from an air compressor that operates wh...
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WO/2021/119877A1 |
A vertical downward exhausting screw vacuum pump system, comprising a screw vacuum pump, a horizontal liquid receiving tank, and a support, wherein the screw vacuum pump is mounted on the top of the support; the liquid receiving tank is ...
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WO/2021/125199A1 |
Provided is a sliding component capable of reducing sliding surface frictional resistance that accompanies eccentric rotation. A sliding component 7 that is a circular ring shape and has a sliding surface 7a relatively sliding in conju...
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WO/2021/124853A1 |
A compressor in which a first sliding surface (53) having a wide axial width and a second sliding surface (54) having a narrow axial width are formed between a mating shaft part (51) and a mating tube part, wherein the first sliding surf...
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WO/2021/124424A1 |
This scroll compressor is provided with a sealed container, a frame, a fixed scroll, a turning scroll, and a crank shaft. Further provided are: a turning shaft disposed on the anti-wrap side of the turning scroll; a main shaft section di...
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WO/2021/125200A1 |
Provided is a sliding component that can reduce the frictional resistance of a sliding surface that accompanies eccentric rotation. In the sliding component 7 having an annular shape and having a sliding surface 7a that slides relative...
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WO/2021/124557A1 |
A compressor system comprising a compressor that has a bearing for supporting a rotating shaft, a sensor that measures an index value associated with movement of the rotating shaft during operation of the compressor, and a wear detection...
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WO/2021/122359A1 |
Vacuum pump (1) comprising at least one injection channel (10) emerging through at least one injection orifice (15) configured to inject a purging gas onto a bearing face of the seat (5) in the open position of the check valve (4) and/or...
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WO/2021/124852A1 |
This compressor has formed therein: a first sliding surface (53) having a large axial width between a fitting shaft part and a fitting cylindrical part (52); and a second sliding surface (54) having a small axial width, wherein the first...
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WO/2021/120656A1 |
A scroll compressor (100), comprising an orbiting scroll component (160), a non-orbiting scroll component (150), a bypass passage (BP), a slider (180), a bypass control unit (BC), and a biasing member (181). A plurality of compression ca...
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WO/2021/124768A1 |
A compressor (10) equipped with a casing (20) and a motor (60). The internal space (M) of the casing (20) includes a first space (M1) formed on one end side of the motor (60) and a second space (M2) formed on the other end side of the mo...
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WO/2021/120984A1 |
A rotary double-cylinder air compression mechanism and a double-cylinder single-air suction compressor. The rotary double-cylinder air compression mechanism comprises a first cylinder (100), a middle partition (200), and a second cylinde...
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WO/2021/117601A1 |
Provided is a shaft seal that is able to reduce rotational torque and that has excellent sealing properties. A shaft seal 1 is an annular shaft seal that is attached to the outer-circumferential surface of a rotary shaft 6, thereby seali...
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WO/2021/114718A1 |
A main bearing seat (1) and a scroll compressor provided with the main bearing seat (1). The main bearing seat (1) comprises: a recess (11), wherein a movable scroll member (3) of the scroll compressor is jointed with a drive shaft (2) i...
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WO/2021/118135A1 |
The invention relates to a device (3) for driving a compressor of a vapourous fluid. The device (3) exhibits a housing (2) with a cooling surface (2-1) and a power supply arrangement (5) with at least one switching element (11), at least...
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WO/2021/110447A1 |
Rotor (7) for a multistage dry vacuum pump (1), the vacuum pump (1) including two shafts (5, 6) configured to turn in a synchronized manner in opposite directions in at least two pumping stages (1a-1f) to drive a gas to be pumped between...
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WO/2021/112705A1 |
The invention relates to rotary piston machines, specifically to a cooling system of said machines, and can be used in gas (air) and refrigeration compressors and heat and vacuum pumps. A compressor cooling system comprises a deflector c...
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WO/2021/111546A1 |
A compressor according to the present invention is provided with: a compression mechanism part that ejects a refrigerant compressed therein from an ejection port; a sealing container in which the compression mechanism part is accommodate...
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WO/2021/111853A1 |
A compressor (1) compressing fluid is provided with a conductive first casing (4) and conductive first pipes (3b, 3c). The first pipes (3b, 3c) are fixed to the first casing (4) via a first insulator (42).
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WO/2021/106145A1 |
An oil supply system for a compressor according to one embodiment comprises an oil separator connected to a discharge pipe of the compressor, an oil tank for receiving oil from an oil reservoir of the oil separator, an oil pipe provided ...
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WO/2021/103525A1 |
A compressor (100) and a refrigeration device. The compressor (100) comprises: a crankshaft (102) and a connecting structure (104) provided on the crankshaft (102); the connecting structure (104) and/or the crankshaft (102) are/is provid...
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