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WO/2023/029391A1 |
A compressor comprises: a base (100) comprising an outer cylinder portion (111) and an inner cylinder portion (112) coaxially disposed, and further comprising a bottom wall (113). The outer cylinder portion (111) and the inner cylinder p...
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WO/2023/025393A1 |
The present invention is directed to a computer implemented method for controlling a finite set of components which are fluidly connected to a common compressed air distribution system, the method comprising iteratively repeating the ste...
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WO/2023/012418A1 |
A hydraulic air compressor (1) that is intended to be mounted on a motorised vehicle provided with a hydraulic system, such as a tractor, truck or trailer truck, or an excavator, and comprising • - an oil-hydraulic motor (2); • - an ...
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WO/2023/286943A1 |
A horizontal type rotary compressor comprises: a case comprising an inlet port and an outlet port and having oil stored therein; a compressing apparatus having a compressing space in which a refrigerant flowing in through the inlet port ...
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WO/2023/286942A1 |
A rotary compressor comprises: a compression device that has a compression space for accommodating a refrigerant introduced into a suction port, compresses the refrigerant in the compression space and discharges same to a discharge port;...
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WO/2023/282476A1 |
A pump comprises: an external gear; a magnet coupled to the external gear; an internal gear disposed inside the external gear; a support having a portion disposed between the external gear and the magnet; and a bearing coupled to the sup...
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WO/2023/283055A1 |
A compressor includes a compression mechanism, a motor, a drive shaft, and a motor cooler. The compressor is configured to compress a working fluid. The motor dives the compression mechanism and is housed within a motor housing. The driv...
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WO/2023/276494A1 |
In a compressor according to the present disclosure both a low-stage compression mechanism part 102L and a high-stage compression mechanism part 102H are configured from a rotary compression mechanism, and the vanes of at least one of th...
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WO/2022/265814A1 |
A compressor includes a shell, a bearing housing, an orbiting scroll, a non-orbiting scroll and a spacer. The bearing housing includes a central body and a plurality of arms extending radially outwardly from the central body. Each of the...
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WO/2022/255714A1 |
The invention relates to a device (10, 10-1, 10-2, 10-3, 10-4, 10-5) for cooling a fluid to be compressed in a compressor (1), in particular a refrigerant, with a heat carrier fluid. The device (10, 10-1, 10-2, 10-3, 10-4, 10-5) has at l...
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WO/2022/242867A1 |
An electric scroll compressor having an electric motor (22) which has a stationary stator (24) and a rotating rotor (26), wherein the eccentric unit (50) is fastened to the rotor (26), and wherein at least one balance weight (72, 74) is ...
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WO/2022/245162A1 |
The objectives of a compressor and a method for controlling a compressor according to the present embodiment are to prevent damage to the compressor by detecting a state of a suction refrigerant and to promote a stable operation.
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WO/2022/229133A1 |
The present invention relates to a drive system for a multi-stage screw compressor with a first compressor stage with a first main rotor which is mounted fixedly on a first shaft for conjoint rotation, and with a second compressor stage ...
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WO/2022/214232A1 |
Multistage vacuum pump (1) in which at least each rotor (72a, 72b) of the pair of the final pumping stage (3d) upstream of the discharge outlet (6) comprises a support disk (12) made in one piece with the pumping profile (11a, 11 b), the...
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WO/2022/202163A1 |
This multi-stage screw compressor comprises a multi-stage compressor body that compresses gas in order, and each stage of the multi-stage compressor body has both male and female rotors rotatably housed in a casing in a state of mesh wit...
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WO/2022/203261A1 |
One embodiment of the present invention provides a scroll compressor comprising: a housing; a motor provided inside the housing; a rotary shaft rotated by means of the motor; an orbiting scroll, which is linked to and orbits with the rot...
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WO/2022/196961A1 |
The invention relates to a housing unit (1) for an electronic component, in particular for an inverter of an electrical refrigerant compressor, wherein the housing unit (1) comprises a first housing element (2) and a second housing eleme...
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WO/2022/185189A1 |
Mobile oil-free multi-stage compressor device (1) which comprises at least a low-pressure stage compressor element (2) with an inlet (3a) and an outlet (4a) and a high-pressure stage compressor element (5) with an inlet (3b) and an outle...
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WO/2022/181914A1 |
A rotary compressor according to the present embodiment comprises bearing parts provided respectively on both sides of an eccentric part, and a roller alignment part which may be formed between the eccentric part and at least one bearing...
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WO/2022/179819A1 |
Dry vacuum pump (1) with two rotor shafts and a stator (2) having at least a first and a second complementary half-shells of which a first half-shell (3) has at least one seal groove (16) provided in a joining surface (10) of half-shells...
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WO/2022/180496A1 |
A fluid pump includes a housing. A delivery portion includes a delivery pump element disposed within the housing. A return portion includes a return pump element disposed within the housing. A motor is disposed within the housing that dr...
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WO/2022/157049A1 |
Vacuum pump (1; 100) comprising at least one device for injecting a purge gas into the oil sump (12) configured to inject a purge gas into the oil sump (6) and at least one device for pumping the gases from the oil sump (13) configured t...
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WO/2022/152228A1 |
A scroll compressor (100) comprising a first scroll compression mechanism (CM1), a second scroll compression mechanism (CM2), a drive shaft (130), and a bushing (191; 192); the first scroll compression mechanism (CM1) has a first fixed s...
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WO/2022/149184A1 |
This two-stage scroll compressor is provided with a shell (11), a drive mechanism unit (37), a low-pressure side compression mechanism unit (35) disposed on the upper side of the drive mechanism unit, a high-pressure side compression mec...
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WO/2022/124707A1 |
The prevention invention relates to an electric compressor for a vehicle, and provides an electric compressor structure for a vehicle, wherein an electrical connection structure between a sealing terminal connecting an inverter unit to a...
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WO/2022/119048A1 |
The present invention relates to a rotary piston air compressor, and to a rotary piston air compressor with a simple structure and easy maintenance by configuring a compression part that compresses air by means of rotation and displaceme...
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WO/2022/112341A1 |
Discharge check valve assembly (18) including a tubular valve housing (21) having a first end portion (21.1) configured to be arranged inside a compressor shell (2) and a second end portion (21.2) configured to be arranged outside the co...
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WO/2022/105304A1 |
A pump body assembly, comprising a crankshaft (1). The crankshaft (1) comprises a first eccentric portion (12), a support shaft (13), and a second eccentric portion (15) which are axially disposed at intervals; a first partition plate (6...
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WO/2022/097853A1 |
A rotary compressor according to the present embodiment comprises bearing portions provided respectively on both sides of an eccentric portion, and a roller alignment portion which may be formed between the eccentric portion and at least...
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WO/2022/082958A1 |
A compressor (100) and a refrigeration apparatus. The compressor (100) comprises a housing (110), a first air outflow port (112) and a second air outflow port (114) provided on the housing (110), a first cylinder (140) comprising a first...
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WO/2022/080611A1 |
A rotary compressor according to the embodiment may comprise: a power transmission part provided spaced apart from the inner circumferential surface of a shell; a rotary compression-type compression part which is spaced apart from the in...
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WO/2022/078738A1 |
The present invention relates to a method for controlling an operating power of a vacuum pump, notably a vacuum pump that can comprise multiple pumping stages in series in which a gas to be pumped circulates between a suction and a disch...
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WO/2022/070653A1 |
Compressors 10 or expanders 50 that compress or expand air via paired male rotor screws 84 and female rotor screws 85 are provided in multiple stages. In each compressor 10 or each expander 50, the male rotor screw 84 and the female roto...
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WO/2022/069229A1 |
Method for operating a pump system preferably comprising more than one pump, comprising the steps of: Obtaining at least one target parameter to be optimized based on target values of each pump; Obtaining an operation target, wherein the...
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WO/2022/070615A1 |
Provided is a technology in which the equalization of amounts of oil inside a plurality of compressors connected in series by a refrigerant circuit can be achieved in a form with higher general versatility. A compression apparatus 100 ac...
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WO/2022/057064A1 |
A scroll compressor. The scroll compressor comprises a housing, a scroll mechanism, an electric motor and a bearing seat, wherein the electric motor drives the scroll mechanism by means of a drive shaft; a first bearing and a second bear...
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WO/2022/048734A1 |
The invention relates to a compressor assembly (400) for an air supply unit (900) of a vehicle (1000), comprising: - a compressor (410) for providing pressurized air (DL), with a compressor housing (420), - at least one mounting bracket ...
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WO/2022/041564A1 |
A scroll compressor (100), comprising a housing (110); a partition plate (120), which is provided in the interior of the housing and which divides the interior of the housing into a suction space (210) and a discharge space (220), the pa...
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WO/2022/043357A1 |
Vacuum pump having a housing which defines a pump chamber and a drive chamber. A rotor is arranged in the housing, wherein the rotor has at least one rotor element arranged in the pump chamber for conveying a gaseous medium from an inlet...
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WO/2022/041566A1 |
A scroll structure (200) and a compressor (100). The scroll structure (200) comprises: a first scroll plate (210); a second scroll plate (220) matching the first scroll plate (210), the first scroll plate (210) and the second scroll plat...
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WO/2022/037569A1 |
The present disclosure relates to a dual gerotor apparatus. The dual gerotor apparatus comprises a housing configured to provide a first and second hydraulic fluid circuit sharing a single inlet and a single outlet. The dual gerotor appa...
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WO/2022/037780A1 |
Automotive electronic fluid pump (10) with a pump part (20) with a pump rotor (22), an electric motor part (32) and an electronics part (40) with an electronics chamber (42) comprising an electronic motor driving circuit (44) and a cover...
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WO/2022/021665A1 |
Disclosed are a fixed scroll (22) and a scroll compressor (1). The fixed scroll (22) comprises a fixed scroll end plate (221), a fixed scroll body (220), and a peripheral wall (223), wherein an air inlet (S) is provided in the peripheral...
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WO/2022/024342A1 |
This refrigeration cycle apparatus comprises a refrigeration circuit that includes a compressor, wherein a refrigerant is sealed inside the refrigeration circuit. The refrigerant contains trifluoroiodomethane and has a global warming pot...
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WO/2022/021663A1 |
A compressor (10), comprising: a compression mechanism (18), the compression mechanism (18) being configured to compress a working fluid; a drive assembly (16), the drive assembly (16) comprising a stator (50), a rotor (52), and a shaft ...
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WO/2022/023798A1 |
The present application discloses a compressor 1 comprising: an outer pipe 50 being connected from an outside to pass through the vessel 10; an inner pipe 52 being closely inserted into the outer pipe 50; a compression mechanism 20 inclu...
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WO/2022/017014A1 |
Provided in the present invention are a stator for use in a pancake motor, a stator supporting ring, and a compressor, related to the technical field of refrigeration. The stator comprises an annular stator iron core. The stator iron cor...
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WO/2022/002291A1 |
The invention relates to a pump device, a respiratory device and a method for providing a respiratory gas. The solution according to the invention involves the use of a specially formed rotor and a corresponding pump chamber, such that a...
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WO/2021/260505A1 |
The present disclosure relates to a two-stage rotary vane vacuum pump casing 200 that comprises an exterior surface 202 and a first plurality of cooling fins 204 (214) protruding from the exterior surface 202, wherein each cooling fin 20...
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WO/2021/254939A1 |
The invention relates to a compressor module (10), in particular of an electric-motor-driven refrigerant compressor, comprising a compressor housing (12) having a high-pressure chamber (30) and an outlet (36) for a compressed refrigerant...
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