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Matches 551 - 600 out of 3,226

Document Document Title
JP2015040536A
To provide a scroll compressor capable of improving compression performance by ensuring sealing by a chip seal while suppressing leakage amount.A scroll compressor includes: a chip seal 22 contained in a seal groove 40 formed along a cir...  
JPWO2013008399A
In a pump for flueing, even if it makes markedly narrow a gap of the axis of rotation and a seal housing compared with the former, reservation of rotational safety can be taken, and a rotating machine style by which the amount of seal ga...  
JPWO2013008399A1
ガス排気用ポンプにおいて、回転軸とシール ハウジングとの間隙を従来に比べて格段に狭 小にしても回転の安全性の確保を取ることが でき、シールガスの使用量も抑えられる...  
JP5670072B2  
JP2015025369A
To provide a scroll-type compressor improved in sealability by surely sealing a step portion with a simple constitution.A first stepped portion 58 is disposed on a fixed-side spiral wall of a fixed scroll 18, a second stepped portion 104...  
JP2015025387A
To improve reliability of a scroll compressor by improving durability of a chip seal, in a 3D-type scroll compressor.In a 3D-type scroll compressor 10, a pair of scrolls 20, 30 include laps 21, 31 of which heights are lowered through ste...  
JP5661203B2  
JP2015007372A
To provide a good lubrication property between a shaft seal member and a pump shaft, and to prevent degradation of the shaft seal member.A rankine cycle device 10 includes a communication passage 51 connected to a gas-liquid separator 17...  
JP5652816B2  
JP5633532B2  
JP2014222066A
To provide a scroll type fluid machine which secures reliability of an oil seal and a bearing in high revolution and high load compressor operation.A scroll type fluid machine includes: a fixed scroll; a revolving scroll which is provide...  
JP5632252B2  
JP2014214722A
To provide a vacuum pump that suppresses intrusion of lubricant etc. for lubricating a bearing and a timing gear into an operation chamber (rotor chamber), further suppresses an amount of a seal gas flowing into the operation chamber (ro...  
JP2014206082A
To provide a water-lubrication screw compressor which has solved the damage of a rotor or the clog of a filter due to the consumption of water or the precipitation of ion of calcium or magnesium contained in city water, if pressurized wa...  
JP2014206173A
To provide a positive-displacement compressor capable of ensuring high efficiency and high reliability by greatly reducing the internal leakage of working gas that causes the degradation in efficiency relating to a compression mechanism ...  
JP2014190242A
To reduce a pressure of compressed gas applied to a fixation scroll and improve productivity in a scroll-type compressor.In a fixation scroll 18 constituting a scroll-type compressor 10, an outer edge 34 of a fixation side base plate par...  
JP2014190224A
To provide a rotary compressor capable of suppressing the wear of a tip end of a vane.A compression mechanism portion of a rotary compressor according to the present invention includes: a cylinder including a cylinder chamber; a roller a...  
JP2014185519A
To enable appropriate supply of lubricating oil to a bearing and seal members arranged in a through-hole.In a pump 10 disclosed by this specification, a lubricating oil chamber 32 and a pump chamber are defined by a partition wall 14. Th...  
JP2014181707A
To provide a scroll compressor including bypass means that can arrange a bypass hole in any position of a fixation scroll.A compressor includes: a casing 110; a discharge cover 102 fixed to inside of the casing for partitioning into a su...  
JP2014181583A
To provide a vane pump capable of reducing driving torque and reducing seizure and wear while ensuring pump performance.A vane pump comprises a housing 2 with a pump chamber A formed in the inside, a rotor 3 disposed at a position eccent...  
JP2014177887A
To provide a screw compressor capable of sealing a clearance gap of an engagement portion in adjacent to discharge-side end faces of male and female rotors remarkable in compressed fluid leakage phenomenon, in the engagement portion of t...  
JP2014177630A
To provide a method for forming a smooth film on the rotation axis of a screw pump and the free surface of a housing.The method includes the successive steps of: preparing a component having a surface including a film of perfluoro alkoxy...  
JP2014173546A
To solve the problem in which, in a conventional hermetic rotary compressor, a shaft eccentric shaft diameter could not be reduced, in order to make assembly of a shaft and a piston possible, in the assembly of a compression mechanism pa...  
JP2014167290A
To provide a vane type compressor capable of improving its suction efficiency and being reduced in size in the axial direction a rotating shaft.A suction chamber 20 is provided between a cylinder block 14 and a rear housing 12 while exte...  
JP2014163319A
To provide shaft seal part structure capable of reducing start-up resistance of a compressor body.A ring spacer 14 of which inner diameter is slightly larger than an outer diameter of a driving shaft 45 and smaller than an outer diameter...  
JP2014163358A
To provide a high sealing property at a sealing part between a cylinder and a roller.A helical type compressor 14 comprises a cylinder 21, a roller 22, and a spiral member 23. The spiral member 23 is supported by the roller 22, and block...  
JP5582253B2  
JP2014145315A
To install in a shaft seal portion of a screw compressor, a leaked-oil recovering structure for efficiently and stably recovering a lubrication oil leaked from a shaft seal device without installing an additional component.A clearance be...  
JP5562263B2  
JP2013209950A5  
JP5550419B2  
JP2014129815A
To provide a turning drive type volumetric capacity compressor in which causes for reducing an efficiency concerning a compression mechanism such as an inner leakage of working gas, excessive compression phenomenon, re-compression loss, ...  
JP2014125961A
To provide a gas compressor capable of preventing chattering of a vane by boosting a vane back pressure applied to the vane.From an initial stage to near a final stage of a compression stroke, dredge grooves 21 and 31 are communicated wi...  
JP2014122574A
To provide a rotary compressor having a seal structure which inhibits a refrigerant from leaking from an area between a boss part of an upper bearing and a discharge muffler while inhibiting deformation of the upper bearing.A cushioning ...  
JP2014118971A
To provide an interface of a vacuum system, particularly with a heatable ultra high vacuum chamber, that is optimized in weight, costs, and exhaust rates, and to provide an O-ring packing for the vacuum system.A connector 5 is disposed a...  
JP5528387B2  
JP5525863B2  
JP2014095375A
To provide a rotary fluid machine which has a simple constitution and consists of a small number of components, and can be produced at a low cost.A rotary fluid machine has its structure simplified by: housing a fluid transfer rotor 362 ...  
JP5499411B2  
JP2014511965A
[Subject] It is in providing improved seal structure which carries out the seal of the clam shell pump. [Means for Solution] The 1st and 2nd half shell stator component (102, 104) in which the present invention forms a plurality of pumpi...  
JP5494136B2  
JP2014077402A
To provide a vane type compressor capable of preventing a coil spring from being broken.There is provided a vane type compressor 1 including a cylindrical housing 2 and a compressing mechanism 3 housed in the housing 2. The compressing m...  
JP2014077447A
To provide a light-weight and compact screw compressor capable of supplying a fluid across a casing internal space and further to another internal space formed inside thereof.In a screw compressor 1 in which a pair of male and female scr...  
JP5478273B2  
JP5477587B2  
JP2014509706A
The present invention relates to a scroll compressor (10), and is the scroll compressor, Circumference scrolling (20) which has a circumference scroll wall (35) prolonged in the direction of an axis toward fixed scrolling from a circumfe...  
JP2014066195A
To prevent reduction in compression efficiency and damage of a piston.A rotary compressor 1 includes: a cylinder 32 extending in a vertical direction; a piston 35 housed in the cylinder 32 and forming a compression chamber 40 from and to...  
JP2014055573A
To suppress leakage of a working fluid from a high pressure side to a low pressure side by mechanical characteristic, in a compressor including a helical compressing mechanism portion.A compressor 1 compresses a working fluid in a compre...  
JP5425049B2  
JP5425009B2  

Matches 551 - 600 out of 3,226