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WO/2017/155976A1 |
A method of manufacturing a two-piece counterweight for a scroll compressor is provided. The method includes molding an outer plate, and molding a base having a first opening configured to receive a scroll compressor drive shaft having a...
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WO/2017/156236A1 |
The present teachings include an energy recovery device usable in multiple applications, for example hydropower and vehicle power plant applications. In one aspect, an energy recovery device includes a housing having an inlet and an outl...
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WO/2017/152939A1 |
The application refers to an automotive vacuum pump (10) for pumping a gas, comprising a pump housing (12) defining a pump cavity (11), a pump rotor body (16) with at least one vane slit (18) supporting a shiftable vane (20) defining at ...
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WO/2017/154064A1 |
Provided is a scroll compressor wherein, in the relieving of a refrigerant, force acting on a relief valve is equal on both sides of a centerline and therefore the relief valve is not twisted, so that the relief valve is unlikely to brea...
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WO/2017/154771A1 |
A screw compressor 1 is provided with: a compressor body 2 in which a screw rotor 3 is accommodated in a rotor casing 4; a motor 6 in which a rotator 6a and a stator 6b are accommodated in a motor chamber 20, the motor 6 for rotationally...
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WO/2017/150594A1 |
Provided is a scroll compressor that is capable of improving the airtightness of a space between two scrolls. A scroll compressor 100 compresses a fluid flowing into a space S between two scrolls 2 and 3 by revolving the movable scroll 3...
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WO/2017/149820A1 |
A bearing unit is provided with: a slide bearing, a section of which has a flange that protrudes circumferentially outward; a roller bearing, which has an inner race, an outer race and rolling elements disposed between the inner race and...
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WO/2017/150357A1 |
[Problem] To provide a vane compressor configured so that, even if pressure within a discharge chamber increases abnormally due to the discharge of a liquid-like operating fluid from a compression chamber, the pressure within the dischar...
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WO/2017/150833A1 |
The present invention relates to a centrifugal suction-type hybrid vane fluid machine and, more particularly, to a centrifugal suction-type hybrid vane fluid machine wherein a cam ring, which rotates inside a compressor, has a plurality ...
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WO/2017/150877A1 |
Provided is a twin-cylinder pump for preventing one-sided wear and the leakage of fluid, which are caused by the eccentric rotation and rotary motion of each rocker shaft, and enabling replacement or repair to be simply and easily perfor...
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WO/2017/150602A1 |
This hermetic scroll compressor comprises: a hermetic housing; a scroll compressing mechanism housed in the hermetic housing; a discharge cover (3) provided with a discharge port (29) through which a refrigerant compressed by the scroll ...
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WO/2017/149707A1 |
The purpose of the invention is to eliminate the material loss caused by circular central parts which are discarded during manufacture of thrust plates and thereby reduce manufacturing costs. The invention provides a scroll fluid machine...
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WO/2017/149659A1 |
This screw compressor is provided with: an electric motor capable of changing the number of rotations during the operation thereof; a screw rotor having a plurality of screw grooves in the outer circumferential surface thereof; a screw s...
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WO/2017/144868A1 |
A scroll pump tip seal (146) to be fitted to a tip face (34) of a scroll wall (28) of a first scroll of a scroll pump to seal between the tip face and a base plate of a second scroll of the scroll pump has a first end (158), a second end...
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WO/2017/144098A1 |
In order to optimize a compressor comprising a compressor housing, a scroll compressor unit which is arranged in the compressor housing with a first compressor body and a second compressor body which can be moved relative to the first co...
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WO/2017/145251A1 |
Provided are a screw compressor and a refrigeration cycle device, which have high efficiency and wherein the control of discharge port valves is simplified. A screw compressor is provided with: a casing body having a cavity; a screw roto...
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WO/2017/145669A1 |
The purpose of the present invention is to provide a method for manufacturing an end plate of a pump whereby sagging can be easily removed. The method for manufacturing the end plate (21) of the pump (1) includes a punching step of punch...
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WO/2017/144870A1 |
A scroll pump tip seal to seal a single stage of a scroll pump that includes a first scroll (22) and a second scroll (20). The tip seal is formed of a plurality of seal segments (46(1) to 46(n)) fitted contiguously end to end to a tip fa...
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WO/2017/145281A1 |
This scroll compressor comprises: a shell 8; a compression mechanism 45 located on one end side inside the shell 8; an oil sump 12 located on the other end side inside the shell 8; a main shaft 4 provided through the bearing section of t...
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WO/2017/144869A1 |
A scroll pump tip seal (246) to be fitted to a tip face of a scroll wall of a first scroll of a scroll pump to seal between said tip face and a base plate of a second scroll of the scroll pump. The tip seal is made of metal and has at le...
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WO/2017/140208A1 |
Disclosed is fluid machinery, comprising an upper flange (50), a lower flange (60), a cylinder (20), a rotary shaft (10), a limiting plate (26), a piston bush (33) and a piston (32). The cylinder (20) is interposed between the upper flan...
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WO/2017/141309A1 |
Provided is a rotary compressor that comprises: a piston that is rotated eccentrically by rotation of a crankshaft; and a cylinder which has a pair of hollow disk surfaces, an inside surface that extends between inner edge sections of th...
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WO/2017/140718A1 |
The scroll compression device includes a first scroll element (11) having a first base plate (13) and a first spiral wrap (14); a second scroll element (12) having a second base plate (15) and a second spiral wrap (16), one of the first ...
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WO/2017/140206A1 |
A compressor pump structure, wherein a cylinder liner (30) is provided between an upper flange (10) and a lower flange (20), a cylinder (40) is provided inside the cylinder liner (30), a sliding piston (50) is provided inside the cylinde...
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WO/2017/141703A1 |
A scroll compressor is provided with: an annular thrust plate (32) provided within a housing and having a thrust bearing surface (32S) in contact with the rear surface of the end plate (21A) of an orbiting scroll (21); and a main balance...
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WO/2017/141342A1 |
A scroll compressor is provided with: a stationary scroll having a stationary base plate and a stationary spiral tooth which is a spiral protrusion formed on one surface of the stationary base plate; and an orbiting scroll having an orbi...
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WO/2017/140246A1 |
A compressor pump structure, comprising a rotating shaft (1), a piston (2), a cylinder (3), a cylinder sleeve (4), a lower flange (6), and an upper flange (5), the central axis of the rotating shaft (1) being arranged eccentrically to th...
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WO/2017/141768A1 |
A discharge passage (70), through which a fluid compressed by a compression mechanism (30) flows, is formed within a casing (11). The discharge passage (70) comprises an inner passage (71), which extends along the outer circumferential s...
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WO/2017/138131A1 |
This scroll compressor is provided with an orbiting scroll and a fixed scroll. A compression chamber is formed by a combination of a fixed scroll spiral of the fixed scroll and an orbiting scroll spiral of the orbiting scroll. A sub-disc...
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WO/2017/138140A1 |
Provided are a method of manufacturing a scroll compressor, and a scroll compressor, wherein a welded surface area is small, welding stresses are suppressed, and fastening strength is maintained. A method of manufacturing a scroll compre...
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WO/2017/138085A1 |
This scroll compressor is provided with: a pressure vessel 40; a fixed scroll 12; an orbiting scroll 13 which, in conjunction with the fixed scroll 12, forms a refrigerant compression chamber 11; an oil reservoir 44 in a lower portion of...
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WO/2017/138175A1 |
The rotary compressor of an embodiment is provided with a container, a cylinder, closure plates, a roller, and a blade. The cylinder is accommodated within the container and has openings. The closure plates close the openings of the cyli...
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WO/2017/138098A1 |
This scroll compressor is provided with a bush including: a shaft portion disposed between an orbiting bearing that supports an orbiting scroll and an eccentric pin of a crankshaft; and a balance weight portion secured by shrink-fitting ...
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WO/2017/048110A9 |
The present invention provides a scroll fluid machine comprising: a stationary scroll unit (100); an orbiting scroll unit (200); a main frame (300) having three bearings (312)(322)(332) installed so as to correspond to bearings (221a)(22...
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WO/2017/135467A1 |
The present invention is provided with: a housing including a tubular side wall section (35) and a plurality of protruding sections (35A) provided to the inner side of the side wall section (35); and a first radial bearing (32) that is a...
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WO/2017/135656A1 |
The present disclosure may provide a compressor in which an outer circumferential side cross-sectional area of a vane slot is formed to be smaller than an inner circumferential side cross-sectional area thereof to decrease an area receiv...
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WO/2017/129794A1 |
The invention relates to a rotary piston pump comprising a housing with a housing interior, an inlet opening, and an outlet opening; a first rotary piston which is mounted within the housing interior in a rotational manner about a first ...
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WO/2017/130971A1 |
Provided is a scroll compressor (1) comprising a fixed scroll (30) and a movable scroll (40). Side surface gaps (δ) which increase from the outer peripheral side toward the inner peripheral side are formed between side surfaces (32a, 32...
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WO/2017/130401A1 |
This scroll compressor is provided with: a stationary scroll which has a spiral-shaped stationary spiral tooth on a base plate, engages with the orbiting spiral tooth of an orbiting scroll to form a compression chamber, and has within th...
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WO/2017/129027A1 |
A rotary-pressing air pump, a pump body (1) thereof consisting of multiple rotary-pressing cavities (10) having identical structures and are mutually separated and coaxially disposed in a same axial direction, each rotary-pressing cavity...
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WO/2017/129028A1 |
A spinning air pump, a groove (13) is provided on the internal circle surface of a pump body (1) between a first port (11) and a second port (12); the groove (13) is provided with a spacer (14) therein, one end of which is connected with...
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WO/2017/128959A1 |
A scroll assembly (200) for scroll equipment (1), comprising: a fixed scroll (220); an orbiting scroll (210) mounted opposite the fixed scroll (220); and an anti-rotation mechanism which comprises a first member (251) and a second member...
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WO/2017/132533A1 |
A scroll compressor and methods of assembling the scroll compressor are disclosed. The scroll compressor includes a frame aligned about a longitudinal axis of the scroll compressor, the frame including a plurality of extensions extending...
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WO/2017/131411A1 |
The present invention relates to a vane pump and a method for determining a profile inside a cam ring constituting the same, the method being capable of increasing a theoretical ejection amount by increasing the volume of a vane pump cha...
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WO/2017/124964A1 |
A scroll compressor, and a method for reducing the back pressure fluctuation of the scroll compressor. The center of a frame (9) of the scroll compressor is provided with a cavity for facilitating the rotation of a sliding bearing, and t...
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WO/2017/126732A1 |
A scroll compressor of the present invention comprises: a bearing tube; a drive shaft extending through the bearing tube; a bearing disposed between the bearing tube and the drive shaft; and a bearing cover for fixing the bearing to the ...
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WO/2017/125048A1 |
Disclosed are a pump body for a piston compressor with a rotary cylinder and a compressor comprising same. The pump body for a piston compressor with a rotary cylinder comprises a cylinder jacket (10) and a cylinder (20) rotatably arrang...
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WO/2017/126108A1 |
A slider equipped with a balancer and configured so as to have: a slider part, which has a slider hole into which an eccentric part of a rotary shaft of a scroll compressor is slidably inserted; a balancer part, which has a connecting pa...
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WO/2017/126106A1 |
In order to provide a high-efficiency scroll compressor and a refrigeration cycle device capable of suppressing the outflow of an injection refrigerant to an oil reservoir, capable of suppressing a reduction in reliability due a reductio...
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WO/2017/126181A1 |
In the present invention, a first injection port opens, at a certain rotational phase, to a suction chamber among a plurality of chambers, and is provided within an angular range formed by: a straight line connecting a winding-end contac...
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