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WO/2021/100823A1 |
Provided is a scroll compressor that enables adequate lubricating oil to be supplied to a compression chamber positioned between an outermost lateral surface of a fixed scroll wrap and an inner lateral surface of a movable scroll wrap. A...
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WO/2021/098941A1 |
The invention relates to a scroll compressor with a high-pressure chamber (80), a low-pressure chamber (87), an orbiting displacement spiral (60) which is arranged on a driven eccentric unit (50) and which engages into a stationary spira...
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WO/2021/094068A1 |
A sound attenuation device (1) for acoustic damping of the operating noise of a vacuum pump (10) is proposed. The sound attenuation device (1) comprises a casing element (2), a throughflow element (3) with an open-pore structure, and a b...
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WO/2021/095151A1 |
Provided are a compressor and the like in which outflow of lubricating oil is suppressed. A compressor (100) is provided with: an electric motor (7) including a stator (7a) and a rotor (7b); a crankshaft (4) which rotates integrally with...
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WO/2021/091742A1 |
A plumbing system including a pump noise dampener is provided. The plumbing system comprises: a pump to output a flow of process liquid; a measurement device to measure a flow rate of the process liquid output from the pump; and a proces...
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WO/2021/090355A1 |
In a compressor (100) according to the present disclosure, a compression mechanism unit (10) includes: a plate (14) that constitutes a portion of a wall of a compression chamber (P) and has a discharge hole (14a) for discharging a compre...
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WO/2021/088482A1 |
Disclosed are a zero-clearance screw rotor and a preparation method therefor. The zero-clearance screw rotor comprises a female rotor (1) and a male rotor (2) that are engaged with each other; the female rotor (1) comprises a female roto...
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WO/2021/088474A1 |
A sliding vane, a pump body assembly, a compressor and an air conditioner. The sliding vane comprises a sliding vane body (1). The sliding vane body (1) comprises a first sliding surface and a second sliding surface which are arranged in...
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WO/2021/082627A1 |
A main bearing housing assembly for a scroll compressor (1) and a scroll compressor (1) having the main bearing housing assembly. The main bearing housing assembly comprises: a main bearing housing (40); and a thrust plates (50; 150), th...
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WO/2021/085082A1 |
A compressor (10) is provided with a casing (20), a compression mechanism (30), and an oil return member (100) forming an oil return flow path (130). The oil return flow path (130) includes a constant cross-section flow path (133) having...
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WO/2021/082628A1 |
A scroll compressor, the scroll compressor comprising a fixed scroll (2) and a moving scroll (3), the moving scroll (3) being configured to be capable of orbiting relative to the fixed scroll (2) in order to compress fluid; a main bearin...
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WO/2021/084925A1 |
A discharge port (60) of a rotary-screw compressor comprises: a first opening (61) having a profile that is capable of cutting off communication with a second operating chamber (C2) of an intake path that opens only in the axial directio...
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WO/2021/085282A1 |
Provided is a claw pump that enables a pump chamber to be prevented from overheating even when the pump is used in a high range of degrees of vacuum, as a vacuum pump, and that enables remarkable improvement of pump efficiency. The prese...
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WO/2021/084996A1 |
This compressor body is provided with: a compression mechanism having a screw rotor for compressing gas; a casing that houses the compression mechanism and forms a compression operation chamber; an intake-side bearing for bearing the scr...
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WO/2021/079486A1 |
Provided is a hermetic refrigerant compressor capable of preventing a lubricating oil, immediately after being discharged from a compression mechanism, from going toward the upper space of an electric motor unit.　The hermetic refrigera...
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WO/2021/077935A1 |
A scroll compressor (100), comprising: a fixed scroll (4), the fixed scroll (4) having a fixed scroll end plate (42) and a fixed wrap (45) extending from one side of the fixed scroll end plate (42); a moving scroll (6), the moving scroll...
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WO/2021/077640A1 |
A connecting structure, an exhaust silencer, an exhaust, and a compressor, the connecting structure comprising: a connecting shell (10), a silencing cavity (12) being formed in the connecting shell (10), and a sealing part (14) being for...
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WO/2021/079477A1 |
Provided is a compressor, for example, having high performance and reliability. A compressor (100) comprises an upper bearing (5c) and a lower bearing (5d) of which at least one is provided with an oil pocket (h10) in a surface facing a ...
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WO/2021/079401A1 |
Provided is a novel rotary compressor having increased strength of an upper end plate and thus achieving increased mechanical reliability. An upper end plate 22A has an outer shape formed by: a first arc forming a plurality of fixed regi...
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WO/2021/074806A1 |
A screw compressor (1) comprises: a housing including an inlet port (11, 13) and an outlet port (12); a screw rotor, arranged into the housing; a compression chamber, delimited by the screw rotor and by the housing; a dampening device fo...
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WO/2021/074804A1 |
A screw compressor (1), comprising: a housing including an inlet port (11, 13) and an outlet port (12); a screw rotor, arranged into the housing; a compression chamber, delimited by the screw rotor and by the housing; a dampening device ...
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WO/2021/076143A1 |
In some examples, a co-rotating scroll compressor includes a driver scroll having an axis aligned with the main axis and having a spiral involute; an idler scroll having an axis offset from the main axis and having a spiral involute inte...
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WO/2021/075354A1 |
A motor (40) comprises nine teeth (44b) and slots (44d), and has five first passageways (101) formed therein. In this way, it is possible to reduce noise more than when nine first passageway (101) are formed, while suppressing oil rise a...
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WO/2021/073302A1 |
A compressor, comprising: a compression mechanism (160), which is used for compressing a working fluid; and a drive support assembly, which is used for providing power and support for the compression mechanism (160) and at least comprise...
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WO/2021/071910A1 |
A screw compressor includes an outlet housing. The outlet housing includes a passage that is configured to communicate compressed fluid from a screw rotor to a discharge. A removable cover plate is configured to cover a portion of the pa...
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WO/2021/070730A1 |
A compressor (10) comprises a case (20), a compression mechanism (30), an electric motor (60), and a discharge tube (28). The electric motor (60) comprises a rotor (65) and a stator (61). External gas channels (110), which extend in the ...
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WO/2021/070357A1 |
This electric compressor (10) has: an accommodating case (15) that accommodates an inverter device (19) and includes an accommodating section body (31), a substrate support section (32) protruding from a bottom surface (31a) of the accom...
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WO/2021/064945A1 |
Provided is a sealed-type refrigerant compressor with which it is possible to suppress a situation in which lubricating oil circulating though the interior of the sealed-type refrigerant compressor is inhibited from returning to a storag...
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WO/2021/066372A1 |
The present invention relates to a device (3) for driving a compressor of a vapourous fluid with a housing (2) that features a cooling surface and a power supply arrangement (5). The arrangement (5) exhibits at least one switching elemen...
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WO/2021/065391A1 |
Provided is an insulating rolling bearing that can prevent electrolytic corrosion and also prevent a gap from occurring between a shaft and a bearing ring. A sub bearing 21 includes: an inner ring 22 and an outer ring 23; a plurality of ...
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WO/2021/066371A1 |
The present invention relates to a device (3) for driving a compressor of a vapourous fluid, in particular an electric motor. The device (3) is produced with a housing (2) that comprises a cooling surface (16) and a power supply arrangem...
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WO/2021/056764A1 |
A sliding assembly, a compressor and a refrigeration device, the sliding assembly comprising a sliding piece (30), an elastic piece and a connecting piece (60). The connecting piece (60) is arranged between the sliding piece (30) and the...
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WO/2021/056795A1 |
Provided are a baffle plate for a compressor, a compressor, and a refrigeration apparatus. The baffle plate (100) comprises a plate body (102), a through hole (104), a connection portion (106), a flange (108), an arc transition portion (...
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WO/2021/053965A1 |
A heat exchanger for preheating causes cooling water on an outlet side of a heat exchanger for auxiliary cooling and feed-water having passed through a bypass path for preheating to exchange heat with each other.
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WO/2021/054951A1 |
A separator tank and a gas compressor having a separator tank are provided. The separator tank includes a tank body defining an inner volume, a tank inlet pipe providing fluid communication with the inner volume of the tank body, wherein...
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WO/2021/054634A1 |
The present invention relates to a compressor module (33) for a refrigerant circuit of a motor vehicle air-conditioning system, exhibiting a modular multi-part housing with a low-pressure refrigerant inlet, a high-pressure refrigerant ou...
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WO/2021/051697A1 |
A screw compressor and an air conditioning unit. The screw compressor comprises a housing (10), and a male rotor (20) and a female rotor (30) disposed in the housing (10). The male rotor (20) and the female rotor (30) are arranged in the...
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WO/2021/049273A1 |
Provided is a horizontal electric compressor that, even when tilted or the like, can secure a sufficient amount of lubricating oil for a compression mechanism unit and supply enough oil to a bearing of a rotary shaft positioned between t...
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WO/2021/047972A1 |
The invention relates to a vane pump (2) comprising an electric drive unit with a drive shaft (4); a pump chamber (6); a rotor (10) which is rotatably arranged in the pump chamber (6) about a rotational axis (8) and which comprises a num...
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WO/2021/047107A1 |
A compressor and a refrigeration unit, the compressor comprising a housing (1), a compression cavity (2) and a gas supplementation cavity (3) being disposed in the housing (1), a gas supplementation duct (4) being disposed in the housing...
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WO/2021/047108A1 |
A two-stage compressor, comprising a low pressure stage (10) and a high pressure stage (20) that is connected in series with the low pressure stage (10). The two-stage compressor also comprises an internal volume ratio adjusting mechanis...
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WO/2021/045361A1 |
This rotary compressor comprises: a casing forming the outer shape; a rolling piston that rotates eccentrically in an internal space; a vane that contacts the rolling piston and divides the internal space into a suction chamber and a com...
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WO/2021/042956A1 |
A lubricating oil supply device (100, 200) and a rotary machine, the lubricating oil supply device (100, 200) comprising: an upper plate (82); a first angle plate (84) and a second angle plate (86), which extend downward from the upper p...
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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/2021/039080A1 |
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/2021/040271A1 |
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/2021/040360A1 |
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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