Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 351 - 400 out of 3,225

Document Document Title
WO/1986/001262A1
A positive displacement compressor or pump of the scroll type including first and second scroll plates (10, 12) having convoluted interfitting vanes (16). The flanks (18) of the vanes (16) on scroll plates (14) are interfitting and in se...  
WO/1983/004075A1
A rotary piston compressor, which is preferably a rotary piston vacuum pump has two shafts which are supported at least in a separation wall or in a separation housing arranged between the section chamber and the adjacent pumping chamber...  
WO/1979/000919A1
A seal (44, 46, 116) for a mechanism such as an engine compressor, expander, pump, or the like. The mechanism includes a housing (10, 100) defining an operating chamber (12, 102) and a piston (30, 104) is within the housing and mounted f...  
JPWO2018154716A1
A manufacturing method of the rotary type compressor provided with Behn who reciprocates smoothly, and a rotary type compressor. The rotary type compressor was provided with the Behn attachment slot formed in the cylinder, and Behn who t...  
JP2019178678A
[Subject] Without using separate members, such as circlip, regulate movement towards a back pressure room in a sealing member, and suppress enlargement in the direction of an axis of the axis of rotation. [Means for Solution] Sealing mem...  
JP2019143548A
To provide a scroll fluid machine capable of reliably introducing intermediate-pressure refrigerant in the middle of a compression stroke to improve compressor efficiency.A scroll compressor 1 includes a fixed scroll 18, and a turning sc...  
JP2019143597A
To provide a vane type compressor capable of suppressing deflection of a part positioned near an inner side in a radial direction, of a side plate, toward a cylinder chamber side.A vane type compressor 10 includes a gasket 50, a rear hou...  
JP2019143598A
To provide a vane type compressor which enables reduction of the number of fastening tools for fastening housing members to each other.A vane type compressor 10 includes: a first housing member 13 provided with a cylinder part 14; a seco...  
JP2019127842A
To perform a stable supply of oil to a seal member even if a spacer arrangement work is being facilitated.A first outer layer 61 and a second outer layer 62 are arranged alternatively in a peripheral direction of the second spacer 35 and...  
JP2019120149A
To enable restoration in a case where a movable scroll (70) turns over, in a scroll compressor comprising a stationary scroll (60) and the movable scroll (70).A scroll compressor comprises: a high-pressure introduction passage (54) capab...  
JP2019100245A
To excellently lubricate a lip seal and a drive bearing in a case of using a slide bearing as the drive bearing and a main bearing, in a scroll compressor.A first lubrication flow passage 101 is provided in a main bearing attachment part...  
JP2019090363A
To provide a gas jetting device that can increase pressure of a gas to be compressed, and to provide a gas jetting system.A gas jetting device includes a cylinder, a rotor and a spacer. The rotor performs rotation movement inside the cyl...  
JP6522156B2  
JP6518447B2  
JP2019074025A
To provide a tip seal for a scroll compressor that can reduce frictional force between a scroll member and a tip seal while maintaining sealability to contribute to energy saving for a scroll compressor.A tip seal 1 has a swirl shape for...  
JP2019065745A
To provide a vane compressor capable of suppressing the supply of excessive back pressure to a vane back pressure chamber.The vane compressor 10 has a partition wall 15 on the cylinder chamber side end face where a back pressure groove 1...  
JP2019065718A
To provide a fluid machine which enables easy removal of a sleeve of a seal device.A screw compressor 1 includes: a rotor casing 10 defining a rotor chamber S1 which houses a screw rotor body 16a; a shaft part 16c which extends from the ...  
JP2019065728A
To improve volumetric efficiency by reducing the quantity of oil to be supplied to a shaft seal of an oil-cooled screw compressor.In a shaft seal 14 configured by providing an oil seal 50 in a clearance gap between a drive shaft 33 which...  
JP2019065719A
To provide an open type compressor that has a simpler constitution and can be driven stably.An open type compressor 1 comprises: a compressor body driven together with rotation of a drive shaft 6 to compress fluid; a seal part 9 sealing ...  
JP2019065705A
To provide an open type compressor that can be driven more stably.The compressor comprises: a compressor body having a drive shaft 6 rotating around an axial line X and driven together with the rotation of the drive shaft 6 to compress f...  
JP2019065706A
To provide an open type compressor that can be driven stably.An open type compressor 1 comprises: a compressor body driven together with rotation of a driven shaft 6; and a seal part sealing leakage of fluid in contact with an outer peri...  
JP2019065704A
To provide an open type compressor that can be driven more stably.An open type compressor comprises: a compressor body having a drive shaft 6 rotating around an axial line X and compressing fluid; and a seal part 9 sealing leakage of the...  
JP2019065767A
To provide a vane compressor which can easily reuse back pressure generated in a vane back pressure chamber for the other vane back pressure chamber.The vane compressor has a rear side plate 15 on an end face 15s where a first back press...  
JP2019065707A
To prevent a seal member of a lip seal from being abnormally worn or burnt even in a case where a pressure difference between the inside and the outside is considerable in an oil-cooled screw compressor adopting the lip seal.The present ...  
JP2019056335A
To provide a scroll type fluid machine which enables lubrication of a lip seal located at the downstream of a slide bearing to be secured even if a driving shaft is rotatably supported by the slide bearing.A first supply passage 47 which...  
JP2019049241A
To solve problems in a conventional rocking seal rotary pump that a cost is high as a rotor and a driving shaft are divided, and internal leakage is increased due to seal by clearance, which degrades performance, and that in a case of mu...  
JP2019044680A
To provide a motor compressor which achieves reduction of manufacturing costs and weight and can secure airtightness of a housing chamber in a highly reliability manner.A motor compressor of the invention includes: a compression mechanis...  
JP2019039396A
To provide a dry vacuum pump comprising a lubricant outflow prevention structure capable of preventing an oil from being moved from a gear chamber to the side of a pump chamber.In a multistage roots pump 1, a lubricant outflow prevention...  
JP6481399B2  
JP2019506569A
The scroll pump tip seal which carries out the seal of the included single stage scroll pump to the 1st scrolling and the 2nd scrolling. A tip seal is formed by a plurality of seal segments (46 (1) ~46 (n)) attached to the tip side (34) ...  
JP2019506568A
It is attached to a tip side (34) of a scroll wall (28) of scrolling of the 1st of a scroll pump, A scroll pump tip seal (146) which carries out the seal of between a tip side and base plates of scrolling of the 2nd of a scroll pump cont...  
JP2019506570A
The scroll pump tip seal (246) which is attached to the tip side of the scroll wall of scrolling of the 1st of a scroll pump, and carries out the seal of between a tip side and the base plates of scrolling of the 2nd of a scroll pump. A ...  
JP3220342U
[Subject] Root Blower the life-span of [ Blower ] can be extended corresponding to problems which occur on the occasion of pumping of acidic gas or an acid fluid is provided. [Means for Solution] Internal hollow part 3 provided in the ci...  
JP6469549B2  
JP2019019772A
To inhibit deterioration of sealability and ongoing wear of a seal part for partitioning a center side high pressure chamber formed on a back surface of a revolving scroll from a back pressure chamber.A scroll compressor includes: a clos...  
JP2019019738A
To inhibit a leakage flowing from a gap between a discharge side end surface of a screw rotor and a rotor side end surface of a discharge casing to the bearing chamber side via a gap between a rotor shaft and a shaft hole of the discharg...  
JP6461504B2  
JP6456262B2  
JP6430718B2  
JP2018184955A
To provide a vacuum apparatus having a compact seal device.A seal device (21) has a rotor element (27), and the rotor element is non-rotatably connected to a shaft (13). The seal device (21) has a first stator element (23), and the stato...  
JP2018532943A
[Means for Solution] The present invention relates to a dry vacuum pump provided with pump housing which forms a plurality of inlet chambers, and in order that a rotor element may carry a pump medium to an exit from the high vacuum side ...  
JP2018532069A
It is the transmission between compressor elements (2) which have a combustion engine (4) which has a crankshaft (6), and a follower shaft (9a), and this transmission (3) is with a housing (14) by it, A driving shaft (15) which has at le...  
JP6402648B2  
JP6387997B2  
JP6386416B2  
JP6382877B2  
JP6381795B2  
JP2018523776A
The 1st and 2nd half shell stator part article 102, 104 which the present invention relates to a multi-stage vacuum pump, demarcate a plurality of pump rooms, and are assembled along longitudinal direction extension side 118, 120 combine...  
JP2018128014A
To provide a chip seal for scroll type compressor capable of contributing to energy saving of a scroll type compressor by reducing a frictional force between a scroll member and the chip seal while maintaining sealability.The present inv...  
JP6374830B2  

Matches 351 - 400 out of 3,225