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Matches 851 - 900 out of 37,721

Document Document Title
WO/2017/188575A1
A scroll compressor according to the present invention comprises: an orbiting scroll having an orbiting wrap and performing an orbital movement; and a fixed scroll having a fixed wrap engaged with the orbiting wrap so as to form a compre...  
WO/2017/188557A1
A scroll compressor according to the present invention comprises: a motor unit providing driving force; an orbiting scroll made to orbit by the motor unit; a fixed scroll coupled to the orbiting scroll to define a compression chamber tog...  
WO/2017/187816A1
The rotary cylinder type compressor (1) comprises: a cylinder (21) disposed inside a housing (10) in a rotatable manner; and a cylindrical rotor (22a, 22b) disposed inside the cylinder and rotating about an eccentric axis with respect to...  
WO/2017/189022A1
A modular rotor assembly for a screw pump including a power rotor and an idler rotor having respective first ends adapted to be disposed in a suction side of the screw pump and respective second ends adapted to be disposed in a discharge...  
WO/2017/189090A1
A positive displacement device includes a first cylinder, a second cylinder disposed within the first cylinder, and a third cylinder disposed around the first cylinder. An interior surface of the first cylinder and an exterior surface of...  
WO/2017/183412A1
The objective of the present invention is to reduce loss factors that occur inside an oil-cooled screw compressor and to improve energy efficiency. In oil-cooled screw compressors, compression is carried out by reducing the volume of an ...  
WO/2017/183330A1
Provided is a rolling cylinder-type positive displacement compressor comprising: an orbiting piston having a slide groove; a rolling cylinder having a cylinder groove; a stationary cylinder having an affixed pin; a piston orbiting drive ...  
WO/2017/183615A1
This scroll compressor ensures the sufficient sliding length of a key part of an Oldham coupling, and thus has high reliability. The scroll compressor (101) is provided with a movable scroll (26) having a first key groove (26d); a statio...  
WO/2017/181335A1
A rotary compressor comprises a cylinder body (100), a front cylinder cover (200), and a rear cylinder cover (300). An off-center rolling rotary compression device (P) is disposed in a cylinder (140) of the cylinder body (100). The off-c...  
WO/2017/179714A1
A hermetic two-stage compressor is equipped with a scroll compressor (13) that further compresses a refrigerant (R) discharged from a rotary compressor (12), and is arranged above an upper bearing (31) having a bearing main body (31a) su...  
WO/2017/174130A1
Screw compressor comprising a compressor housing (12) with a screw rotor chamber which is arranged therein, two screw rotors (26, 28) which are arranged in the screw rotor chamber, are mounted such that they can be rotated in each case a...  
WO/2017/174129A1
The invention relates to a refrigerant compressor unit, comprising a compressor housing (52), at least one compressor unit (62), which is arranged in the compressor housing and can be moved by means of bearing and driving parts (68, 72, ...  
WO/2017/174059A1
A positive-displacement machine comprises a stator housing (12) having at least one inlet (3) and at least one outlet (4) for a fluid, a rotor (13) having at least one radial appendage (5) being mounted in said stator housing. A gap (10)...  
WO/2017/175945A1
A motor-operated compressor includes a casing having an inner space in which a driving motor, an orbiting scroll and a fixed scroll are accommodated, and a controller provided outside the casing. The casing includes an intake hole formed...  
WO/2017/175298A1
A screw compressor according to the invention includes: a casing body having a cylindrical inner cylinder surface part; a screw rotor stored in the inner cylinder surface part and having a plurality of screw grooves on the outer circumfe...  
WO/2017/174131A1
Compressor unit comprising a screw-type compressor (10) with a compressor housing (12), with a screw rotor chamber which is arranged in the compressor housing, two screw rotors (26, 28) which are arranged in the screw rotor chamber and a...  
WO/2017/165950A1
This invention discloses an improved rotary vane vacuum pump. The vacuum pump includes an enlarged inlet port which is spread over the width and length of the stator in a zig‐zagging fashion within which the vanes pass. In a preferred ...  
WO/2017/168673A1
A scroll compressor comprising: a crank shaft (6) having an oil passage (63) through which a lubricating oil (9) flows; an orbiting scroll (32) attached to the crank shaft (6); and a frame (2) having a thrust plate (216) as a thrust bear...  
WO/2017/169041A1
Provided is a scroll-type fluid machine wherein the reliability can be improved with regard to abrasion of a power transmission mechanism having pin members and ring members. This scroll-type fluid machine is equipped with a driving scro...  
WO/2017/169595A1
A screw compressor (1) is provided with: a first compressor body (11) driven by a first motor (12) through an inverter; a second compressor body (21) driven by a second motor (22) through an inverter; and an intercooler (30), on the uppe...  
WO/2017/168672A1
Provided is a scroll compressor equipped with: a crank shaft (6) having an oil passage (63) through which lubrication oil (9) flows; an orbiting scroll (32) attached to the crank shaft (6), the orbiting scroll (32) having a second intern...  
WO/2017/168631A1
A scroll compressor comprises: a compression mechanism 3 having a stationary scroll 31 and an orbiting scroll 32; a crankshaft 6 for causing the orbiting scroll 32 to orbit relative to the stationary scroll 31; a slider 71 having cylindr...  
WO/2017/169596A1
A scroll compressor comprising: a crank shaft having an oil passage through which lubricating oil flows; an orbiting scroll attached to the crank shaft and having a disk-shaped substrate; and a frame having a thrust surface that slides w...  
WO/2017/163827A1
Provided is a scroll compressor wherein a load detection means, and a control valve that operates in accordance with the load detected by the load detection means and controls back-pressure of the movable scroll, can be arranged in proxi...  
WO/2017/163814A1
Provided is a scroll-type compressor capable of appropriately lubricating a sliding site inside a scroll unit. The scroll-type compressor 100 includes: a housing 10 having an intake chamber H1 and a discharge chamber H2; a scroll unit 1 ...  
WO/2017/164167A1
[Problem] To provide a vane compressor which makes it possible not only to avoid circumstances where pressure upstream of an oil separator becomes excessively high, even if liquid compression has occurred, but also to avoid a state where...  
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...  

Matches 851 - 900 out of 37,721