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Patent Searching and Data


Matches 101 - 150 out of 35,293

Document Document Title
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 ...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
WO/2017/124999A1
A seal assembly (800) for use with a scroll compressor and a scroll compressor (10) comprising the seal assembly (800), the scroll compressor (10) comprising a first member and a second member. The seal assembly (800) is disposed between...  
WO/2017/125079A1
A compressor and a refrigeration system comprising the same, wherein the compressor comprises: a casing (100) and a lower flange structure (240), a first compression cylinder (200) and a second compression cylinder (300), arranged in the...  
WO/2017/122304A1
A scroll compressor is provided with a container, a main shaft, a rocking scroll, a fixed scroll, a boss part provided to the rocking scroll, a slider accommodated in the boss part, and an eccentric shaft part formed on the upper end of ...  
WO/2017/122458A1
An oil-free screw compressor is provided with: a screw rotor (16); a bearing (22) for supporting a rotor shaft (21); a shaft seal device (30) having an oil seal (31) which is disposed on the bearing (22) side and a gas seal (40) which is...  
WO/2017/122894A1
The present invention relates to a dry vacuum pump having a screw rotor and a groove, the dry vacuum pump comprising: a driving screw having a rotor that rotates about a driving shaft; a driven screw having a rotor that rotates about a d...  
WO/2017/119075A1
According to the present invention, motor cooling is made uniform, localized increases in the temperature of the motor are suppressed, and the operating range when the rotational speed is increased or decreased by means of inverter drive...  
WO/2017/115559A1
A housing (23)-side first key (54) of an Oldham ring (50) protrudes from a ring section (53) toward the housing (23) and also radially toward the inside of the ring section (53). The flange of the housing (23) has formed thereon: a facin...  
WO/2017/113341A1
Disclosed is a scroll compressor, the scroll compressor comprising a casing, a fixed scroll (101), an orbiting scroll (102), an orbiting scroll bearing (103), and a driving mechanism; the fixed scroll (101) and the orbiting scroll (102) ...  
WO/2017/112405A2
A light-weight, high-strength compressor component having at least one fluid delivery feature that is formed via additive manufacturing is provided. The component may have at least one interior region comprising a lattice structure that ...  
WO/2017/112406A1
A light-weight, high-strength compressor component is formed via additive manufacturing that has controlled stiffness and/or deflection levels. The component may have at least one interior region comprising a lattice structure that compr...  
WO/2017/112407A1
A light-weight, high-strength insulating compressor component formed via additive manufacturing is provided. The component may have at least one interior region comprising a lattice structure that comprises a plurality of repeating cells...  
WO/2017/107228A1
Provided is a rotary-vane vacuum pump; sealing end covers (2) are fixedly mounted on the two end faces of a pump body (1); the pump body (1) is provided with an air-suction channel (3) and air-exhaust channel (4) in communication with an...  
WO/2017/110311A1
A screw compressor (2) is provided with a compressor body (4), a motor (8), and a gear box (10). The compressor body (4) is provided with screw rotors (5c, 5d, 6c, 6d), rotor casings (5e, 6e) for accommodating the screw rotors (5c, 5d, 6...  
WO/2017/108574A1
The invention relates to an electrical refrigerant drive (2), in particular refrigerant compressor for an air-conditioning system of a motor vehicle, comprising an electromotive drive part (4) and a compressor part (6) coupled thereto, w...  
WO/2017/110475A1
[Problem] To provide a scroll-type compressor inexpensively and in a simple structure by the autonomous adjustment of pressure in a back-pressure chamber. [Solution] A scroll-type compressor 100 provided with a scroll unit 1, a housing 1...  
WO/2017/106909A1
Various designs for hydraulic devices are disclosed including hydraulic devices that can include a rotor and a ring are disclosed. The rotor can be disposed for rotation about an axis and can have a plurality of plurality of vanes extend...  
WO/2017/111012A1
[Problem] To provide a vane compressor in which an abnormal increase in pressure in a back pressure chamber at a vane groove bottom due to compression of liquid accumulated in the back pressure chamber can be effectively avoided. [Soluti...  
WO/2017/111013A1
[Problem] The present invention provides a vane compressor equipped with vanes structured so as to be able to effectively avoid abnormal pressure increases in back pressure chambers of the vanes due to the compression of liquid accumulat...  
WO/2017/110386A1
This screw compressor (1) comprises: a screw compressor body (20); a motor (10) that drives the screw compressor body (20); a gearbox (30) that is interposed between the screw compressor body (20) and the motor (10) and that transmits th...  
WO/2017/108572A1
The invention relates to an electric refrigerant drive (2), in particular a refrigerant compressor for an air conditioner of a motor vehicle, comprising an electric motor drive module (4) and a compressor module (6) coupled to the drive ...  
WO/2017/104334A1
A screw compressor (2) equipped with: a first-stage compressor main body (4) and a second-stage compressor main body (6) that compress a fluid by means of screw rotors; a motor (8) that drives the first-stage compressor main body (4) and...  
WO/2017/101537A1
Disclosed is a sliding vane control structure for a variable-capacity air cylinder, comprising a pin (113, 213) arranged under a sliding vane (11), and the pin (113, 213) has a first position capable of stopping the sliding vane (11) and...  
WO/2017/104317A1
A gas compressor is configured so that the variation of error of the minor diameter section of a cylinder will be reduced. A compressor (100) is provided with a housing (10) and a compression mechanism section (60). A rear side block (30...  
WO/2017/104326A1
The purpose of the present invention is to provide a screw compressor wherein the leakage of compressed air is reduced by reducing the gap between a male rotor and a female rotor. A screw compressor has screw rotors and a casing which ac...  
WO/2017/106030A1
A scroll compressor includes a housing and scroll compressor bodies disposed in the housing. The scroll bodies include first and second scroll bodies. The first and second scroll bodies have respective bases and respective scroll ribs th...  
WO/2017/096999A1
A compressor (1) comprises: an air cylinder (1.7, 1.11), provided with a sliding sheet (1.5, 1.12) disposed therein; a flange (1.13), located at the lower portion of the air cylinder (1.7, 1.11); and a cover plate (1.17), located at the ...  
WO/2017/099384A1
The present invention relates to a scroll compressor. The present invention is provided with a high-vacuum prevention apparatus comprising: a communication hole formed on a side surface of a non-orbiting scroll at a side of a discharge s...  
WO/2017/096439A1
Method for controlling the liquid injection of a compressor device or expander device (1), whereby this compressor device comprises at least one compressor element or expander element (2), whereby the element (2) comprises a housing (3) ...  
WO/2017/096438A1
Method for controlling the liquid injection of a compressor device (1), whereby this compressor device comprises at least one compressor element (2), whereby the compressor element (2) comprises a housing (3) that comprises a compression...  
WO/2017/094639A1
[Problem] To restrain a drive shaft from moving axially relative to a rotor with a simple configuration, even when liquid compression has caused the drive shaft and the rotor mounted thereon to slip in a circumferential direction relativ...  
WO/2017/092795A1
The invention relates to a vacuum pump and a cartridge (30) for a vacuum pump (1), comprising a filtering element (3) provided with an inlet end-piece (31) and a closing end-piece (32) arranged on either side of an intermediate filtering...  
WO/2017/093441A1
The invention relates to a vacuum pump (1) including a housing (2) in which a first input opening (21) and a second output opening (22) are arranged so as to enable an air flow (F), and inside of which a filtering element (3) is removabl...  
WO/2017/094057A1
In order to reduce power consumption during a low-speed operation wherein the required refrigeration capacity has become small, this single-screw compressor, which is driven by an inverter so as to be capable of changing its rotational s...  

Matches 101 - 150 out of 35,293