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Patent Searching and Data


Matches 651 - 700 out of 36,957

Document Document Title
WO/2017/163770A1
The present invention addresses the problem of providing a vane pump configured so that an increase in the number of parts can be suppressed and so that the sealing performance between sliding surfaces can be easily ensured. A vane pump ...  
WO/2017/163812A1
A refrigerant compressor having a configuration whereby: lubricating oil is separated from a compressed refrigerant and stored in an oil storage chamber; the stored lubricating oil is supplied to a prescribed unit to be supplied; and the...  
WO/2017/164586A1
An aspect of the present invention provides a cooling device used for a compressor and, more particularly, to a cooling device for a compressor, comprising: a fan device; a housing on which the fan device is installed; a plurality of hea...  
WO/2017/163813A1
Provided is a scroll compressor with which the back-pressure load resisting the thrust load of a movable scroll can be maintained appropriately regardless of the operating range, and with which improved durability and performance can be ...  
WO/2017/163017A1
A scroll pump (10) has a fixed scroll (26) and an orbiting scroll (28). The base members (38, 46) of the scrolls are provided with respective base seals (54, 56) to seal between the major surfaces (36, 44) of the base members (38, 46) an...  
WO/2017/163826A1
In order to suppress reduction in pressure inside a back pressure chamber following the opening action of a back pressure adjustment valve, this scroll-type compressor 100 comprises: a scroll unit 1; a back pressure chamber H3 connected ...  
WO/2017/164153A1
Provided is an oil free screw compressor 10 that comprises: a screw rotor 14 that is provided with a screw part 14a and a shaft part 14c; a bearing 26; a first shaft sealing device 30 that is disposed between the screw part and the beari...  
WO/2017/165292A1
A compressor may include a shell, a compression mechanism, a bearing housing, a shroud, a stator, and a rotor. The compression mechanism includes a scroll member that is attached to the shell. The shroud is rotatably fixed relative to th...  
WO/2017/163829A1
Provided is a scroll compressor with which the back pressure of the movable scroll can be maintained suitably at all times, regardless of the operating condition, and in particular, a scroll compressor with which a state of insufficient ...  
WO/2017/164138A1
Provided are: a hermetic rotary compressor configured so that the pressure resistance of a hermetic case is increased and so that the hermetic case will not become large; and a refrigeration cycle device provided with the hermetic rotary...  
WO/2017/163836A1
[Problem] To provide a scroll compressor configured so that, regardless of an operating range, a back pressure load acting against the thrust load of a movable scroll is maintained appropriately to improve durability and performance. [So...  
WO/2017/164628A1
The present invention relates to a control flowrate regulating valve (1) specifically for a scroll compressor (7) inside a vehicle air conditioner or a heat pump, the valve at least comprising: a housing (8); a closing member (9); and fl...  
WO/2017/159393A1
Provided is a scroll compressor with which frictional force between the scrolls is reduced without inducing compression defects. This scroll compressor is equipped with a compression mechanism 4 comprising a fixed scroll 21 and a movable...  
WO/2017/158665A1
A scroll compressor according to this disclosure includes: a partition plate that divides the inside of a closed container into a high-pressure space and a low-pressure space; a non-orbiting scroll that is provided in the low-pressure sp...  
WO/2017/158809A1
This compressor is provided with: a sealed container having an oil reservoir space for collecting oil in the bottom; a compression mechanism part accommodated in the sealed container, the compression mechanism part compressing a fluid th...  
WO/2017/156093A1
Systems and methods for extracting hydrocarbon gas are characterized by: a degassing device (10, 60) having a degassing chamber (38, 64) defined within an outer housing (36, 62); a mud inlet valve (44, 66) through which hydrocarbon-beari...  
WO/2017/152923A1
Vacuum pump (1), comprising a housing (2) having an inlet (4) and an outlet (6) and defining a chamber (8) within the housing (2), a rotor (10) for rotational movement about a rotational axis (AR) within the chamber (8), and at least a f...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  

Matches 651 - 700 out of 36,957