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Patent Searching and Data


Matches 601 - 650 out of 37,054

Document Document Title
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...  
WO/2017/199380A1
In the present invention, an injection pipe, which is a portion of refrigerant piping connecting a compressor with a condenser and which causes a refrigerant flowing out of the condenser to split therefrom to flow into the compressor, ha...  

Matches 601 - 650 out of 37,054