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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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WO/2021/039522A1 |
Provided is a compressor, wherein a high-temperature protection device 90 is provided which discharges a high-pressure refrigerant in a high-pressure space 16 from the high-pressure space 16 when the refrigerant temperature of the high-p...
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WO/2021/039080A1 |
One or more surfaces (80a, 80b) among a first surface (80b)of a valve body (80) and a second surface (80a) thereof include: ring-shaped first non-contact regions (A1, A4) which do not contact the corresponding valve seats (67, 72) and ar...
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WO/2021/035945A1 |
A rotary compressor and a refrigeration cycle device. The rotary compressor (1) comprises a housing (2); a motor (6) and a compression mechanism portion (5) are accommodated in the housing (2); an air discharging pipe (3) communicated wi...
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WO/2021/038614A1 |
A scroll compressor includes: an autonomously-movable tooth that is inserted into an insertion hole penetrating through a fixed scroll and constitutes a part of fixed spiral teeth, the autonomously-movable tooth being configured to auton...
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WO/2021/040271A1 |
The present invention relates to a scroll compressor, comprising: a housing; a motor provided in the housing; a rotary shaft which rotates by means of the motor; an orbiting scroll which is linked to the rotary shaft and orbits; and a fi...
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WO/2021/039062A1 |
The downstream end of a suction pipe (12) overlaps the upstream end of a suction port (64) when seen from the axial direction. Further, an interior space (23) through which a refrigerant containing oil flows is provided inside a casing (...
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WO/2021/040363A1 |
The present invention relates to a compressor, a multi-stage compression module, and a compression system, and provides a compression system comprising: a housing (12); a rotor (11) having a plurality of slots (112); a motor (20) for dri...
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WO/2021/038258A1 |
In some examples, a scroll compressor including an orbiting scroll and a fixed scroll includes a main frame that houses an axial cylinder to provide axial compliance between the fixed and orbiting scrolls. Intermediate pressure gas may b...
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WO/2021/040360A1 |
Provided is a scroll compressor including a sealed case, a fixed scroll portion fixed at an inside of the sealed case and provided with a fixed scroll vane, an orbiting scroll portion provided with an orbiting scroll vane that is coupled...
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WO/2021/038738A1 |
This scroll compressor is provided with a compressing unit having a fixed scroll which has a first spiral tooth provided on a first baseplate, wherein an injection flow passage provided in the first baseplate includes: a second flow pass...
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WO/2021/031489A1 |
A compressor having an early exhaust function and an air conditioning system. The compressor comprises a housing (1); a suction cavity (2), a rotor cavity (3), and an exhaust cavity (4) which are communicated in sequence are formed insid...
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WO/2021/027524A1 |
Disclosed are a translational rotor pump and an engine. The translational rotor pump comprises an eccentric shaft (1), a rotor (3), a cylinder (4), and a sliding block (5), wherein a first shaft (11) of the eccentric shaft (1) is rotatab...
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WO/2021/026599A1 |
A gas-cycle system operable using a Bell-Coleman cycle, the gas-cycle system comprising an expander (23) and a compressor (27) incorporated in a flow path (13). The expander (23) and compressor (27) are integrated in a rotary machine (41...
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WO/2021/024907A1 |
Provided is a scroll compressor in which a sealed container (20) of a compressor (10) is partitioned into a high-pressure space (60) and a low-pressure space (70), and a compression mechanism part (30) and an electric motor (40) for driv...
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WO/2021/025868A1 |
The disclosed invention provides an unmodified scroll compressor with enhanced oil management system that enables the compressor system to compress helium. The compressor system includes a standard scroll compressor, oil separator, and a...
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WO/2021/025033A1 |
This scroll compressor has a symmetric wrap structure, wherein a fixed scroll has a fixed-side flat plate and a fixed-side wrap (22). A movable scroll has a movable-side flat plate and a movable-side wrap (32). A first compression chambe...
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WO/2021/020858A1 |
Provided is a scroll compressor capable of expanding a compression space and accordingly increasing a design volume ratio. The scroll compressor includes: a main body; a fixed scroll fixed inside the main body; an orbiting scroll orbitin...
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WO/2021/020017A1 |
A multi-stage rotary compressor according to an embodiment of the present invention includes a rotating shaft, a drive element provided on one end side, in the axial direction, of the rotating shaft, and a compression element provided on...
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WO/2021/020461A1 |
Provided is a refrigeration cycle device such that, even if a refrigerant containing CF3I is used, it is possible to suppress corrosion of components of the refrigerant circuit caused by the refrigerant containing CF3I. A refrigerant cyc...
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WO/2021/020346A1 |
Provided is a compressor in which: a balance weight 90 is disposed above an electric motor portion 30 and below a compressor mechanism portion 20; the balance weight 90 is fixed to a drive shaft 40 by means of a linking portion 91; an oi...
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WO/2021/013872A1 |
A scroll pump (100, 200) comprising a first scroll comprising a first spiral wall (124, 224); a second scroll comprising a second spiral wall (134, 234), the second spiral wall being intermeshed with the first spiral wall; and a pad (180...
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WO/2021/015439A1 |
The present invention relates to a scroll compressor, comprising: a housing; a motor provided in the housing; a rotary shaft rotated by the motor; an orbiting scroll interlocking with the rotary shaft to perform an orbiting movement; a f...
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WO/2021/015429A1 |
The present invention relates to a scroll compressor, comprising: a housing; a motor provided in the housing; a rotating shaft rotated by means of the motor; an orbiting scroll interlocked with the rotating shaft so as to perform orbitin...
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WO/2021/015546A1 |
The present invention relates to an electric compressor comprising: a housing; a compression unit provided inside the housing; a motor unit connected to the compression unit to drive the compression unit; an inverter unit coupled to one ...
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WO/2021/014641A1 |
This scroll compressor comprises: a shell; a fixed scroll; a swing scroll; a rotating shaft; and a main frame. A first groove part is formed in one of the shell and a fixed frame, and a first protrusion that engages with the first groove...
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WO/2021/013103A1 |
A balance block (150, 250, 350, 450, 550) for a scroll compressor (100). The scroll compressor (100) comprises a movable scroll component (1) having a movable scroll end plate, a main bearing seat (8) having a thrust plate (4), and a dri...
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WO/2021/015392A1 |
The present invention relates to a scroll compressor comprising: a housing; a motor provided inside the housing; a rotational shaft rotated by the motor; an orbiting scroll which is interlocked with the rotational shaft and orbits; and a...
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WO/2021/010099A1 |
[Problem] To provide a scroll compressor which can suitably adjust a back pressure in both a low-speed operation condition and a low-suction pressure operation condition by improving the position or dimension of a back pressure hole. [So...
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WO/2021/009839A1 |
This scroll compressor comprises a shell, a main frame, a fixed scroll, an oscillating scroll, an electric motor, and a discharge pipe. Provided in the interior of the shell are: a coolant suction space located in front of where a coolan...
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WO/2021/008834A1 |
Pumping unit (1) comprising a primary vacuum pump (2) and a Roots vacuum pump (3) connected in series and upstream of the primary vacuum pump (2) in the direction of flow (g) of the pumped gases, characterised in that: - the Roots vacuum...
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WO/2021/010721A1 |
A scroll compressor including an orbiting scroll having a small diameter compared to a case in which an oil groove is provided in a ring shape and constantly communicates with an outlet of an oil passage. The scroll compressor includes a...
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WO/2021/004332A1 |
Disclosed is an orbiting scroll plate driving assembly, comprising a driving main shaft (7), a driving tail shaft (6) and an eccentric shaft sleeve (5), wherein the driving tail shaft (6) is eccentrically connected to the driving main sh...
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WO/2021/007528A1 |
A compressor may include a shell assembly, first and second scrolls, a piston, and a piston-retention member. The piston engages the first scroll and may be partially received within a recess defined by the shell assembly. The piston and...
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WO/2021/005895A1 |
According to the present invention, a drive shaft (40) is provided with: a first oil flow passage (46) that extends on the center line of a main shaft (41) in the axial direction of the drive shaft (40) and has an inflow hole (46b) open ...
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WO/2021/004296A1 |
A compressor and a heat exchange device. The compressor comprises: pump body structures (100), the number of the pump body structures (100) being two; a driving portion (30), the driving portion (30) comprising a stator assembly (31), a ...
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WO/2021/002098A1 |
According to the present invention, a positional information antenna 22b receives a position signal including positional information of a transmission source (satellite, base station, etc.) of position measurement electromagnetic wave. A...
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WO/2021/001421A1 |
The invention relates to a rotary slide assembly and to a method for monitoring the wear of one or more slides (7) in a rotary slide assembly (1), comprising a rotary slide rotor (5) and one or more slide receiving areas (6) for the slid...
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WO/2021/001923A1 |
This scroll compressor comprises a fixed scroll, a revolving scroll that meshes with the fixed scroll to form an intake chamber or a compression chamber, a first space that is provided to a back-surface center side of the revolving scrol...
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WO/2020/258745A1 |
Provided is a dry dual-scroll vacuum pump, which comprises a drive assembly and an upper cover arranged above the drive assembly, wherein the drive assembly comprises an output shaft (16), and a movable disc (6) is eccentrically arranged...
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WO/2020/260192A1 |
The present application relates to a method for treating a surface of a machine part, said method including the steps of applying a pattern onto said surface of said machine part by means of a laser, and applying a coating onto the patte...
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WO/2020/261410A1 |
The present invention comprises: a fixed scroll in which a first fixed-side tooth tip curved section and a second fixed-side tooth tip curved section having a larger curvature radius than the foregoing first section are formed on a tooth...
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WO/2020/261558A1 |
An orbiting base plate of an orbiting scroll has formed therein: an oil flow passage for allowing oil supplied from an oil supply flow passage to flow from a radially inner side toward a radially outer side; a spiral side oil supply hole...
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WO/2020/254043A1 |
The invention relates to a dry rough vacuum pump (1) comprising an injection device (9) designed to distribute a purging gas in the pumping stages (2a-2e), the injection device (9) comprising: - a first pressure sensor (12) arranged on a...
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WO/2020/254432A1 |
Dry displacement machine acting on an operating fluid passing therethrough and including: - a rotary rotor (3), - a stator (2) that forms a housing chamber (20) for the rotor (3), - a first discharge (21) for a fluid from said chamber (2...
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WO/2020/250337A1 |
A scroll compressor provided with: a shell; a main frame secured to an inner wall surface of the shell; a fixed scroll that is secured to the inner wall surface of the shell and has a fixed baseplate on which a first spiral protrusion is...
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WO/2020/249556A1 |
The invention relates to a compressor module (10) comprising a cup-shaped compressor housing (12), which has a housing base (14) and a housing wall (16), said housing wall (16) having an outlet (36) for a coolant (K), and comprising a se...
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WO/2020/248578A1 |
Disclosed are a scroll compressor, a vehicle air conditioner and a vehicle. The scroll compressor comprises a first end cover (1), a machine shell (2) and a crankshaft (3), wherein the machine shell (2) is provided with a support portion...
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WO/2020/248623A1 |
A water-lubricated screw air compressor, comprising a motor connecting base (1), an end cover (22) connected to the motor connecting base (1), and a housing (3) that is connected to the motor connecting base (1) and has a cavity therein....
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WO/2020/252026A1 |
A compressor includes a shell assembly, a compression mechanism and a suction fitting. The shell assembly defines a chamber. The compression mechanism is disposed within the chamber of the shell assembly and includes a suction inlet. The...
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