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WO/2023/053552A1 |
The area of an inflow end (51) of a discharge port (50) is denoted as Ai, the circumferential edge length of the inflow end (51) is denoted as Li, and the hydraulic diameter of the inflow end (51) is denoted as Di = 4 × (Ai/Li). The cir...
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WO/2023/053725A1 |
When a frequency of one times an operating frequency n of a compressor main body (11) is defined as the 1n frequency and a frequency of three times the operating frequency is defined as the 3n frequency, then during the maximum rotation ...
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WO/2023/054410A1 |
The present invention provides a compressor which is sufficiently suppressed in deterioration due to hydrolysis of an insulating member, thereby being suppressed in decrease of reliability. A compressor (11) is provided with a casing (50...
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WO/2023/054855A1 |
A scroll compressor according to the idea of the present disclosure may comprise: a fixed scroll provided inside a main body; an orbiting scroll provided to make an orbiting motion relative to the fixed scroll and including an orbiting e...
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WO/2023/051004A1 |
A scroll compressor (1), comprising: a compression mechanism, comprising an orbiting scroll (10), wherein the orbiting scroll (10) has an end plate (11) and a hub (12), which extends from the end plate (11), and the end plate (11) has an...
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WO/2023/045767A1 |
A vibration frequency adjustment system, comprising a vibratable component (102), at least one counterweight (401, 402), at least one drive device (407, 408) and a controller (307). The vibratable component (102) is configured to be conn...
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WO/2023/047670A1 |
This hermetic compressor (1) comprises: a vertically-oriented cylindrical compressor main body vessel (10) provided with a discharge pipe (107) and an intake pipe (104) for a refrigerant; an accumulator vessel (25) connected to the intak...
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WO/2023/045270A1 |
A pump body (100) and a compressor, the pump body (100) comprising a crankshaft (1) and a first bearing (2). The crankshaft (1) is provided with an eccentric portion (12), the first bearing (2) is provided with a shaft hole (20), and the...
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WO/2023/045968A1 |
A thrust structure of a compressor (100) and a compressor (100). The compressor (100) comprises a drive shaft (130). The thrust structure comprises a thrust surface (S) and an insert member (140). The thrust surface (S) is used for axial...
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WO/2023/041314A1 |
The invention relates to a compressor-oil receiving device (10, 10') for a compressor system, for filling with a compressor oil (3) in order to transfer same into the compressor system, comprising: a housing (1, 1') which forms a receivi...
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WO/2023/040643A1 |
A compressor, comprising: a housing (101) provided with a rotor accommodating cavity (105) and an exhaust cavity (180); a pair of screw rotors (110) at least partially located in the rotor accommodating cavity (105), a compression accomm...
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WO/2023/037972A1 |
Provided is a compressor in which damage to a valve main body is suppressed. A compressor (21) is provided with a compressing mechanism (15), an injection valve (93), and an injection pipe (92). A compression chamber (40) is formed in th...
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WO/2023/035382A1 |
A rotor assembly and a compressor having a rotor assembly. The rotor assembly comprises a crankshaft (101), a rotor core (102), a balance block (301), and an oil blocking cover (302); the rotor core (102) has a gas passage hole (103), an...
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WO/2023/038293A1 |
According to the present invention, provided is a scroll compressor in which a plurality of fixing protrusions are provided spaced apart from each other in a key that constitutes an Oldham ring, and an orbiting scroll, to which the key i...
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WO/2023/039269A1 |
A vacuum pump includes a motor, a pump coupled to the motor to receive torque therefrom, and a trestle including an inlet port, an outlet port, and a fluid pathway therebetween, the outlet port being fluidly connected to the pump. The va...
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WO/2023/035643A1 |
A compressor and an air conditioner. The compressor comprises a crankshaft (1), a first air cylinder (2), a second air cylinder (3) and a separator plate assembly (4), wherein the separator plate assembly (4) is arranged between the firs...
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WO/2023/029312A1 |
An air compressor structure having integrated compression and separation, belonging to the field of air compressor structures, and comprising an oil-gas separation and circulation structure which is capable of automatically returning oil...
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WO/2023/032573A1 |
This oil feeding type compressor is provided with: a compressor body (2) that compresses gas while pouring oil; a first oil separator (6) that separates oil from the compressed gas that has been ejected from the compressor body (2); a se...
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WO/2023/033400A1 |
The invention relates to a back pressure valve for scroll compressors, wherein the back pressure valve has a housing (1) with a cavity (2) and a closure piston (3) arranged in the housing (1) so as to be movable in translation, wherein t...
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WO/2023/032072A1 |
The purpose of the present invention is to provide a compressor that enables reducing the heat generated by sliding. This compressor is provided with a compression mechanism that compresses a refrigerant inside of a sealed container, whe...
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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/2023/031188A1 |
A scroll compressor is provided, the scroll compressor comprises two scroll bodies each having a scroll rib and the scroll ribs engage each other to form at least one compression chamber, and the scroll compressor further comprises a dri...
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WO/2023/024754A1 |
Disclosed is a method for forming internal and external profiles of stationary and movable scroll plates which have a variable wall thickness, comprising a stationary scroll plate and a movable scroll plate. The movable scroll plate is f...
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WO/2023/021829A1 |
This bearing structure is a rotary machine comprises: a rotor that has a cylindrical shape and that is provided with, in the axial direction, a main oil supply hole through which a lubricant passes; and a sliding bearing that is disposed...
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WO/2023/020805A1 |
The application relates to a multistage, electrically drivable compressor (1) for generating compressed air for a compressed air supply system of a utility vehicle, the compressor having a cooling system (7.1) which can be operated using...
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WO/2023/020033A1 |
A cylinder and a compressor. The cylinder comprises a cylinder body (1), an exhaust port (2), and a sliding sheet groove (3). The exhaust port (2) and the sliding sheet groove (3) are both arranged on the cylinder body (1). The exhaust p...
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WO/2023/020221A1 |
An intake air distribution apparatus and a compressor comprising same. The intake air distribution apparatus (100) comprises a flow guide unit (120); the flow guide unit (120) is configured to guide a part of a fluid entering a housing o...
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WO/2023/021811A1 |
A method for manufacturing a compressor, the method comprising a first step in which a first joint surface (71) is brought into contact with a second joint surface (81), wherein the first joint surface (71) is an outer circumferential su...
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WO/2023/016766A1 |
The present invention relates to a drive train, specifically to a direct coupling of a drive shaft to a driven shaft provided in the drive train of a rotary compressor. The invention further also relates to an integration of a lubricant ...
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WO/2023/016751A1 |
Compressor assembly (1) comprising a motor (2) having a motor shaft (7) which drives at least one compressor rotor (5, 6) of a compressor element (3) as well as an oil-pump (18, 63), wherein a compressor rotor (6) comprises a compressor ...
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WO/2023/016239A1 |
A single-piston annular cylinder, and a rotor air compressor and a rotor internal combustion engine applying the annular cylinder, wherein the annular cylinder comprises three parts, i.e., a housing assembly, and a rotor ring assembly an...
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WO/2023/016737A1 |
Compressor assembly (1) comprising a motor (2) which drives one or more compressor rotors (11, 12) comprising an oil circulation system (33) comprising an oil reservoir (47), an oil cooler (48) and an oil filter (50), an oil-pump (32) fo...
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WO/2023/015947A1 |
A screw compressor and an air conditioner. The screw compressor comprises: a compressor housing (1) having a compression portion mounting space (C1), a drive portion mounting space (C2), a compressor inlet (1A), and a compressor outlet (...
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WO/2023/013370A1 |
Provided is a scroll compressor in which fixing parts are provided on an end of an arm that supports a bearing, and a plurality of welding pins are press-inserted into each fixing part to weld-fix the welding pins and a casing, wherein d...
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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/2023/013433A1 |
The purpose of the present invention is to improve freedom of design. An electric compressor 1 comprises: a motor (17) that drives a scroll compression mechanism (7) for compressing a refrigerant; an inverter that drives the motor (17); ...
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WO/2023/013340A1 |
A high-pressure dome type scroll compressor comprising a first passage member (12) and a second passage member (70). The first passage member (12) is connected to a suction passage of a fixed scroll (40), and guides a low-pressure fluid ...
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WO/2023/007864A1 |
A hermetically sealed compressor (1) comprises: a vertically-oriented cylindrical compressor main body vessel (10) provided with a discharge pipe (107) and an intake pipe (104) for a refrigerant; an accumulator vessel (25) connected to t...
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WO/2023/009255A1 |
A compressor may include first and second scrolls, an axial biasing chamber, and a modulation control valve. The second scroll includes an outer port and an inner port. The outer and inner ports may be open to respective intermediate-pre...
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WO/2023/003015A1 |
This horizontal rotary compressor comprises a compression mechanism 30 inside a housing 110, and the compression mechanism 30 includes horizontal cylinders 31A, 31B, eccentric rollers 33A, 33B, and vanes 35A, 35B. The vanes 35A, 35B are ...
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WO/2023/001485A1 |
Element for compressing a gas, having a housing (2) in which a first and second rotor (3, 4) having respective rotational axes are mounted, wherein the housing (2) is provided with an axial outlet opening (8) formed, inter alia, by a ton...
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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/2023/285391A1 |
Hydraulic motor pump unit (1) for pressurising a hydraulic fluid in a hydraulic circuit. The motor pump unit comprises a motor (2) having a motor stator holding a circular array of coils and a motor rotor having a motor rotor body having...
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WO/2023/286466A1 |
Provided is a package-type rotary pump unit that enables high pump performance to be maintained and prolongs the service life of a device by making it possible to prevent the internal air within a sealed housing from becoming overheated ...
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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/2023/280660A1 |
Vacuum pump (1) comprising a stator (4) comprising at least one compression chamber (5), two rotors (6) configured to rotate in the compression chamber (5) about a respective axis of rotation (I-I), the axes of rotation (I-I) being verti...
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WO/2023/280865A1 |
A screw pump (100) comprising a housing defining a chamber (62) and two screw rotors (10). Wherein each screw rotor (10) comprises a rotor shaft (11) and at least two displacement elements (12, 14) connected with the rotor shaft (11). Ea...
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WO/2023/282163A1 |
A hermetic compressor (1) comprises a vertically placed cylindrical compressor body container (10) provided with a refrigerant discharge pipe (107) and intake pipe (102), an accumulator container (25) connected to the intake pipe (102), ...
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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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