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WO/2015/162869A1 |
A scroll compressor in which a fixed scroll (30), a revolving scroll (40), a rotation-suppressing member (90), and a main bearing (60) are arranged in a low-pressure space (12), and the fixed scroll (30) and the revolving scroll (40) are...
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WO/2015/162296A2 |
The invention relates to a rotor pair for a compressor block of a screw machine, wherein the rotor pair comprises a secondary rotor (NR) that rotates about a first axis (C1) and a main rotor (HR) that rotates about a second axis (C2), wh...
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WO/2015/161678A1 |
Disclosed is a volumetric fluid mechanism, comprising an eccentric shaft (1) and a working medium moving member (2), wherein the eccentric shaft (1) comprises a driving shaft (3) and a deflection non-sheathed body (4) provided on a rotar...
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WO/2015/163661A1 |
According to an embodiment of the present invention, an intake device comprises: an annular fluid channel formed inside a circular housing; an introduction part installed on one side of the housing to guide fluid to be introduced to the ...
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WO/2015/163257A1 |
This rotary compressor comprises a switching mechanism for switching between: a compression operation state in which the front end part of one vane is pressed against the outer peripheral surface of a piston; and a non-compression operat...
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WO/2015/159715A1 |
A pump comprises a resin-metal composite (20) formed by joining a metal member (24) and a resin member (22) which is formed using a thermosetting resin composition. The pump is provided with a housing (10) having an inner wall surface (1...
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WO/2015/159459A1 |
In order to reduce the pressure loss of compressed gas flowing in a discharge chamber and to reduce vibration and noise by facilitating the damping of the pulsation of gas discharged into the discharge chamber, a screw compressor compris...
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WO/2015/155802A1 |
A high-reliability scroll compressor is provided which has a thrust structure that uses cast iron for the orbiting scroll and comprises a steel thrust plate arranged on the back surface of the orbiting scroll, and which prevents friction...
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WO/2015/154717A1 |
Provided is a compressor, wherein a low-pressure stage cylinder (8), a first high-pressure stage cylinder (3) and a second high-pressure stage cylinder (6) are arranged in a stacked manner, a baffle is arranged between two adjacent cylin...
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WO/2015/155798A1 |
There is demand for a scroll compressor that prevents an excessive amount of oil from being supplied during high-speed operation, enables a sufficient amount of oil to be supplied during low-speed operation, and does not cause fluctuatio...
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WO/2015/154726A1 |
A compressor comprising a first primary cylinder (1), a second primary cylinder (2), and a secondary cylinder (3), all being stacked one on the other, and two neighboring cylinders being provided with a separator therebetween; the first ...
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WO/2015/154284A1 |
Disclosed is a compressor (100) and a refrigerating system having the compressor (100). The compressor (100) is arranged horizontally and comprises: a housing (1); a compression mechanism (2), wherein the compression mechanism (2) is pro...
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WO/2015/157434A1 |
Rotary systems are described, which can include at least one of compressors and vacuum pumps. Each rotary system includes a corresponding piston that rotates in an orbital motion around a respective eccentric of a shaft in order to eithe...
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WO/2015/152833A1 |
A revolving vane compressor and a method of operating a revolving vane compressor are disclosed. The compressor includes a tubular sleeve having a first rotational axis; a rotor disposed within the sleeve, the rotor having a second rotat...
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WO/2015/154036A1 |
Methods and systems to mount a shaft with a motor rotor are provided. The motor may include a plurality of permanent magnets embedded in a lamination stack of a rotor of the motor, which may run through the length of the lamination stack...
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WO/2015/147744A1 |
A vane-slot mechanism for a rotary vane machine having a rotor configured to relatively rotate within a cylinder, the vane-slot mechanism comprising: a slot provided on one of: the rotor and the cylinder; a vane provided on the other of:...
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WO/2015/144254A1 |
A pumping system and method comprising: a dry primary screw vacuum pump (3) having a gas inlet orifice (2) connected to a vacuum chamber (1) and a gas outlet orifice (4) that opens into a duct (5) before leading into the gas outlet (8) o...
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WO/2015/146740A1 |
Provided is an internal gear pump in which the fluid discharge flow rate during the high speed rotation of a drive shaft is suppressed. The internal gear pump (1) is equipped with a trochoid (4) in which an inner rotor (3) having a plura...
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WO/2015/140869A1 |
A scroll compressor which has, inside an airtight container (20), a motor unit (8, 9), a compression mechanism unit (1, 2, 3) connected to the motor unit (8, 9), and a lubrication oil reservoir (19), and compresses a refrigerant using th...
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WO/2015/138557A1 |
A rotor assembly having a plurality of rotor plates mounted to a shaft, and methods of construction for a rotor assembly are disclosed. Each rotor plate in the assembly may be provided with a central opening extending between the first a...
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WO/2015/136803A1 |
Provided is an oil-free screw compressor having a shaft sealing device with good assembly properties and enabling the leakage of compressed gas from the shaft sealing device to be reduced. In the oil-free screw compressor (1): a pair of ...
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WO/2015/137028A1 |
A screw compressor is provided with: compressor bodies (11A, 11B); a motor (12) provided at a side of the compressor bodies (11A, 11B); a gear box (13) connected to the compressor bodies (11A, 11B) and transmitting the driving force of t...
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WO/2015/133571A1 |
A bearing (11) has a substrate (110) and a coating layer (111). A crank shaft (13) is housed on an inner peripheral side of the substrate (110). The inner peripheral surface of the substrate (110) is coated by the coating layer (111). Th...
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WO/2015/131633A1 |
A rolling rotor type compression mechanism (10)comprises an eccentric shaft (20); an air cylinder (40); a rotor (30), the rotor (30) being driven by the eccentric shaft (20) to make rotating movement in the air cylinder (40); and a slidi...
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WO/2015/129406A1 |
A rotary compressor, wherein, when the vane width is denoted as W, the amount of eccentricity of an eccentric part as e, the radius of curvature in the vane tips as Rv, the annular piston radius as Rro, and the non-sliding area width of ...
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WO/2015/129169A1 |
A compressor is provided with compression-chamber-forming members (11, 12) for forming a compression chamber (Vc) that reduces capacity while being displaced around a rotating shaft (25), and an intermediate pressure intake port (30b) fo...
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WO/2015/129961A1 |
Disclosed herein is a vane rotary compressor in which a fluid such as a refrigerant is compressed while a volume of a compression chamber is reduced during rotation of a rotor. There is provided a vane rotary compressor capable of preven...
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WO/2015/127513A1 |
There is provided a rotary vane motor for use with a pressurised flow of fluid. The rotary vane motor includes a chamber with an inlet and an outlet, a rotor rotatably held within the chamber and attached to a drive shaft, wherein the ro...
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WO/2015/128906A1 |
Provided are: an oil supply component for a screw exhaust pump, which makes it possible to realize a screw exhaust pump that can operate without maintenance over a long period of time and from a low-speed rotation range to a high-speed r...
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WO/2015/125304A1 |
A scroll compressor (100) is configured in such a manner that: a low-pressure space (1c) for storing a refrigerant sucked in from a suction opening (1a) is formed in at least a part of a hermetic container (1); an electric motor (20) is ...
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WO/2015/125261A1 |
The purpose of the present invention is to increase the reliability of a rotation prevention mechanism and extend the life thereof by preventing the direct transfer of heat from an orbiting scroll to the rotation prevention mechanism. Th...
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WO/2015/125888A1 |
A first closing member (2) and a second closing member (3) close openings at both axial ends of a cylindrical member (1). A substrate (411) is accommodated in a space formed by the cylindrical member (1), the first closing member (2), an...
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WO/2015/124918A1 |
A conical screw compressor or pump comprises an inner element configured to rotate around a first axis and an outer element configured to rotate around a second axis. An outer surface of the inner element and an inner surface of the oute...
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WO/2015/124415A1 |
The invention relates to a motor vehicle vacuum pump (10) with a pump chamber (12), in which a pump rotor rotates in a compressing manner, an outlet chamber (14), into which the compressed gas exits from the pump chamber (12), a separati...
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WO/2015/126888A1 |
A coupling assembly arranged between an input shaft and a rotor shaft of a supercharger includes a first hub, a second hub, a first side coupling assembly, a second side coupling assembly, a central hub and a plurality of coupler pins. T...
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WO/2015/125596A1 |
[Problem] To provide a displacement compressor that is provided with a discharge mechanism that is highly efficient and that greatly reduces factors that lower the efficiency of a compression mechanism unit, such as internal leakage of a...
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WO/2015/122111A1 |
This scroll compressor (1) is provided with a fixed scroll (20), an orbiting scroll (30) which revolves around the fixed scroll (20) and combines with the fixed scroll (20) to form a compression space for compressing a fluid between itse...
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WO/2015/122110A1 |
Provided is a scroll compressor in which a fixed scroll and an orbiting scroll can be cooled effectively through cooling fins. This scroll compressor (1) is provided with a fixed scroll (20), an orbiting scroll (30) which revolves around...
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WO/2015/114883A1 |
This hermetic compressor (1) has a suction hole (23) provided in a cylinder (21), wherein the suction hole (23) has multiple sections that have different diameters and are arranged from the outer peripheral side toward the inner peripher...
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WO/2015/114851A1 |
A screw compressor is provided with: a screw rotor (2) housed within a casing (1) and having helical screw grooves (5) formed therein; a gate rotor (3) meshing and engaging with the screw grooves (5) of the screw rotor (2) to form a comp...
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WO/2015/115062A1 |
When an attachment structure is viewed from the axial direction of a rotational center axis, an involute curve drawn by a middle part between an inner peripheral wall surface and an outer peripheral wall surface of a fixed-side teeth sec...
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WO/2015/114846A1 |
A casing (2) comprises therein: a compression chamber (9); a suction chamber (11) through which a refrigerant to be sucked into the compression chamber (9) flows; a discharge chamber (10) through which a refrigerant having been discharge...
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WO/2015/111146A1 |
A scroll compressor is provided with: a hermetic container (1); a stationary scroll (3) provided within the hermetic container (1) and having a base plate (3a) and a spiral tooth (3b) protruding from the lower surface of the base plate (...
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WO/2015/111267A1 |
The purpose of the present invention is to improve reliability in a scroll compressor in which a frame is fixed by welding. A scroll compressor provided with: a sealed container in which a working fluid is sealed inside; a frame fixed in...
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WO/2015/107705A1 |
A scroll compressor (1) has: a shaft pin (4a) disposed on one end of a shaft (4); a slider (5) provided with a long hole (5a); an oscillation bearing part (22) which supports the slider (5); a first balancer (11) disposed between the osc...
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WO/2015/107857A1 |
HEAT RECOVERY SYSTEM IN EVAPORATION DEVICE USING VAPOR COMPRESSION ROOTS BLOWER [Problem] In heat recovery of an evaporation device, it is typical for vapor to be directly compressed by a compressor and used as a heat source; however, th...
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WO/2015/104930A1 |
A gas compressor (1) equipped with: a block part (19) in the interior of which a cylinder chamber (32) is formed; a rotor (23) rotatably housed in the cylinder chamber (32); and multiple vanes (25) provided on the outer circumferential p...
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WO/2015/104863A1 |
A rotary compressor is equipped with: an orbiting scroll that combines with the volute part of a stationary scroll to form a compression chamber that compresses a refrigerant; a main shaft in the interior of which are formed an oil suppl...
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WO/2015/105255A1 |
Disclosed is a two-liquid-type, double-row structured trochoid pump for transferring high-viscosity liquids under high pressure. The present invention is configured such that: a front body, a first housing, a center body, a second housin...
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WO/2015/101323A1 |
A scroll compressor (100) comprises a scroll compressor shell (1); a static scroll plate (3), wherein the static scroll plate (3) is fixed inside the scroll compressor shell (1); a rack (2), wherein the rack (2) is mounted inside the scr...
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