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Matches 1 - 50 out of 35,365

Document Document Title
WO/2018/012016A1
The compressor comprises a differential pressure oil supply mechanism which is separately disposed from an oil supply pump and which has an oil supply passage through which oil in an oil reservoir space is introduced into an oil feed pas...  
WO/2018/010970A1
The invention relates to a method for lowering the pressure in a lock for loading and unloading a substrate at atmospheric pressure by a pumping unit (1) including a primary vacuum pump (2) and a secondary vacuum pump (3) arranged upstre...  
WO/2018/010793A1
The invention relates to a motor vehicle vacuum pump (2) comprising a pump housing (10) that encloses a pump chamber (23) in which a pump rotor (16) with at least one movably mounted pump rotor blade (18) is rotatably mounted via bearing...  
WO/2018/012268A1
In order to prevent damage to lap walls in a stepped scroll compressor, and to increase durability and reliability, a tooth-base step part (BS), the height of which increases from the outer circumferential side toward the inner circumfer...  
WO/2018/012816A1
The present invention relates to a device (1, 1', 1") for compressing a gas-state fluid, particularly a refrigerant. The compression device (1, 1', 1") comprises: a housing (2) having a suction pressure chamber (8) and a high-pressure ch...  
WO/2018/007052A1
The invention relates to an automotive auxiliary assembly vacuum pump (10) which is configured as a dry-running vane cell pump which is driven by electric motor, having a housing composite structure (11) which has an electric motor secti...  
WO/2018/007443A1
The invention relates to an oil-lubricated rotary vane vacuum pump (1) comprising a rotary vane unit (2) that includes a rotary vane chamber (5) and a rotary vane rotor (6), the vacuum pump further comprising an oil separation and reproc...  
WO/2018/007306A1
Rotary compressor arrangement (100) comprising a body (40) centered at a shaft axis and a cylindrical piston (10) eccentrically arranged with respect to the body (40) such that an inner volume is created between them, into which volume a...  
WO/2018/008054A1
Provided is a screw compressor that is capable of improving compressor body performance and motor performance. This screw compressor is provided with: an oil-feed type compressor body 1 that compresses air by injecting oil into a compres...  
WO/2018/008550A1
A scroll compressor (101) is equipped with a fixed scroll (24) and an orbiting scroll (26). A first gap located between a first lap (24b) of the fixed scroll (24) and a second end plate (26a) of the orbiting scroll (26) satisfies a first...  
WO/2018/008495A1
Provided is a scroll compressor which suppresses contact between two scroll members. A scroll compressor (101) is equipped with a fixed scroll (24) comprising a first substance and an orbiting scroll (26) comprising a second substance. T...  
WO/2018/008289A1
The present invention addresses the problem of providing a vane pump (1) configured so that the durability of a coupling (5) can be ensured. The vane pump (1) is provided with: a rotor (3) having a rotor-side engagement protrusion (311);...  
WO/2018/008132A1
Provided is a scroll-type fluid machine that prevents wear of the parts of the fluid machine and improves the reliability thereof by reducing the amount of dust that reaches a face seal. The present invention comprises a revolving scroll...  
WO/2018/008052A1
The screw compressor pertaining to the present invention comprises: a cylindrical casing body; a screw rotor which is housed by an inner cylindrical surface of the casing body and which has multiple screw grooves on the outer peripheral ...  
WO/2018/003211A1
Provided is an air compressor capable of achieving an appropriate discharge air temperature and excellent energy-saving performance. The present invention comprises: an air pipeline 7 for connecting an air compressor 1, an oil separator ...  
WO/2018/003032A1
Provided is a scroll compressor comprising a rotation prevention mechanism constituted by disposing a plurality of rotation prevention parts in the circumferential direction so that each rotation prevention part engages, either directly ...  
WO/2018/000819A1
A rotating cylinder enthalpy-increasing piston compressor, the compressor being a two-stage rotating cylinder piston compressor, comprising a first stage rotating air cylinder (1), a first air cylinder sleeve (2), a first piston (3), and...  
WO/2018/003016A1
This scroll compressor is provided with: a through-hole extending through the base plate of a stationary scroll so as to be in communication with a compression chamber; a stationary member provided on a surface of the base plate so as to...  
WO/2018/003015A1
This single screw compressor is configured such that: the inside of a casing is divided into a first space, into which fluid flows from the outside, and a second space, in which a compression chamber is located; and the compression chamb...  
WO/2018/004985A1
A compressor system includes a screw compressor (48) and a controller (100). The screw compressor includes a slide valve (49) selectively actuatable between a first position and a second position to facilitate modulating a capacity of th...  
WO/2017/221398A1
According to the present invention, lubricating oil is optimally supplied into a first cylinder chamber of a first compression mechanism part on the upper side and into a second cylinder chamber of a second compression mechanism part on ...  
WO/2017/221571A1
Provided is a compressor having high compression efficiency. A valve assembly (280) is provided between injection piping (90) and a compression chamber (S1, S2). The valve assembly (280) has an opening forming member (281), a valve body ...  
WO/2017/219660A1
A scroll compressor and an air conditioner. The scroll compressor (100) comprises an orbiting scroll member (30) and a non-orbiting scroll member (20) which are engaged with each other to form a compression cavity (1a). The non-orbiting ...  
WO/2017/219758A1
A gas discharging bearing seat and a screw compressor comprising the gas discharging bearing seat are provided. The gas discharging bearing seat comprises a bearing seat body (1). An end surface of the bearing seat body (1) is provided w...  
WO/2017/221946A1
[Problem] To provide an electric compressor that eliminates the need for a space provided in a housing for arranging retaining parts for bearings supporting both ends of a rotary shaft, thereby reducing the axial length of the housing. [...  
WO/2017/220961A1
The present application provides a scroll vacuum pump comprising: an orbiting scroll having an orbiting scroll wall extending axially from an orbiting scroll base towards a fixed scroll, the fixed scroll having a fixed scroll wall extend...  
WO/2017/219669A1
A pump assembly and a compressor comprising same. The pump assembly comprises a first-stage cylinder (40) and a second-stage cylinder (6). The second-stage cylinder (6) and the first-stage cylinder (40) are stacked. A plurality of workin...  
WO/2017/220212A1
The invention relates to a dry-running vane gas pump (10), having a pump housing (20) which forms a pump chamber (22) in which a pump rotor (30) having at least one displaceable slide element (32, 34, 36, 38, 40) is rotatably mounted, wh...  
WO/2017/223060A1
A rotor comprises a central body configured to rotate. A lobe extends perpendicularly from the central body along an lobe axis. A curved leading periphery and a curved trailing periphery are on opposite sides of the lobe axis. A V-shaped...  
WO/2017/217341A1
The casing (10) of a screw compressor has formed therein high-pressure fluid passages (61, 64) provided between a body (10a) and a cylinder (30). A screw rotor (40) is inserted in the cylinder (30) to form a fluid chamber (23). Fluid dis...  
WO/2017/217523A1
[Problem] To provide a compressor that is capable of preventing an oil supply passage from being clogged even when there is a foreign object in the structure in which lubricating oil, stored in an oil storage chamber located in a high-pr...  
WO/2017/216875A1
This rotary compressor is provided with: a sealed container; a compression element for compressing a coolant; and an electromotive element which serves as a drive source of the compression element. The compression element includes: a cyl...  
WO/2017/216266A1
The invention is based on a vacuum cooling installation (10) having a closable vacuum chamber (11), to the interior space (11a) of which baked goods (16) for cooling can be supplied, having at least one vacuum pump (12) which is connecte...  
WO/2017/216876A1
The scroll compressor comprises a hermetic container, a fixed scroll, an orbiting scroll, a main shaft, an electric motor, a main shaft balance weight, a first balance weight, and a second balance weight. The main shaft balance weight is...  
WO/2017/212527A1
The scroll compressor satisfies the relationship δ1 > δ2, wherein δ1 represents the axial length of clearance gaps between the tip part of a spiral body of an orbiting scroll or of a stationary scroll and a baseplate of the other scro...  
WO/2017/212598A1
The hermetic compressor comprises: a hermetic container; an electric motor unit disposed inside the hermetic container; and a discharge port for discharging refrigerant gas compressed by a compression mechanism unit into the hermetic con...  
WO/2017/213060A1
This hermetic compressor is provided with a compression mechanism section for compressing a gas medium. The compression mechanism section has: a first discharge valve mechanism for discharging to a first sound deadening chamber a gas med...  
WO/2017/208833A1
Provided is a scroll-type fluid machine with which it is possible to improve sealing properties in a specific area of the scroll while reducing management accuracy of clearance in the direction of extension of the central axis between bo...  
WO/2017/210594A1
A scroll compressor lubrication system and a scroll compressor are disclosed. The scroll compressor includes a capacity modulator, a lubricant opening, and a gas diverting passage. The capacity modulator is in fluid communication with co...  
WO/2017/208489A1
Provided is a scroll compressor having: a first compression mode in which fluid is compressed between the inward-facing surface of the spiral tooth of a stationary scroll and the outward-facing surface of the spiral tooth of an orbiting ...  
WO/2017/208455A1
The scroll compressor of the present invention is provided with: an airtight container; a fixed scroll which has a first winding protrusion and is disposed inside the airtight container; a fluctuation scroll which has a second winding pr...  
WO/2017/208829A1
The purpose of the present invention is to improve airtightness of an operating chamber without increasing the human resources needed for management. A tip seal 40 is set in such a manner that in at least part of the region from one end ...  
WO/2017/202673A1
Stator (2) for a dry type vacuum pump (1), the vacuum pump (1) comprising at least two rotors (10, 11) that are designed to rotate synchronously and in opposite directions in a central chamber (3) of the stator (2) in order to drive a ga...  
WO/2017/203923A1
A scroll compressor according to the present invention can suppress seizing at the sliding surface between an Oldham coupling and a movable scroll, and has high reliability. The scroll compressor (101) is equipped with a movable scroll (...  
WO/2017/203642A1
This screw compressor is provided with a casing, a screw rotor that rotates inside the casing and that has a plurality of screw grooves in the outer peripheral surface, and one gate rotor that has teeth which engage with the screw groove...  
WO/2017/203608A1
A refrigeration cycle device is provided with: a refrigerant circuit; liquid injection piping that branches from piping between a condenser and a pressure-reducing device of the refrigerant circuit, the liquid injection piping being conn...  
WO/2017/202385A1
A vortex compressor, comprising a fixed vortex (150) and an orbiting vortex (160); the fixed vortex (150) comprises a fixed vortex end plate (154) and a spiral-shaped fixed scroll (156) extending from the fixed vortex end plate (154); th...  
WO/2017/199733A1
The hermetic compressor comprises a compression mechanism unit and an electric motor unit. The compression mechanism unit includes: multiple cylinders; a first bearing and a second bearing which are arranged so as to sandwich the cylinde...  
WO/2017/199435A1
This scroll compressor comprises a slider including: a cylindrical part rotatably supported by an orbiting bearing provided to an orbiting scroll; and a balance weight part connected to the cylindrical part. When a direction opposite fro...  
WO/2017/199588A1
This scroll compressor comprises a slider including: a cylindrical part rotatably supported by an orbiting bearing provided to an orbiting scroll; and a balance weight part connected to the cylindrical part. When a direction opposite fro...  

Matches 1 - 50 out of 35,365