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Patent Searching and Data


Matches 351 - 400 out of 3,256

Document Document Title
WO/1991/018207A1
A scroll compressor provided with a control member mounted on one of first and second scrolls rotating in the same direction, for controlling the axial movement of the other scroll, a pressure chamber communicating with a compression spa...  
WO/1991/006773A1
A spring member (23) is confined between a back pressure sealing band (21) and a ring groove (22) formed in a bearing member (18) housing this back pressure sealing band (21) so as to constantly press the back pressure sealing band (21) ...  
WO/1991/006763A1
A scroll compressor: in which a revolving bearing (18b) to provide slide-connection between a driving shaft (4) and revolving scroll (18) for the purpose of imparting revolving movement to the main bearing (12) supporting the driving sha...  
WO/1991/006764A1
A scroll compressor in which: an annular ring (94) to separate the side of high pressure lubricant space (oil chamber A (78a)) communicating with spiral oil grooves (41a), (41b) formed on the sliding surface of a bearing (18b) for induci...  
WO/1991/006766A1
A scroll compressor, in which revolving spiral blade part (13) is subjected to an intermediate pressure between pressures on the outlet and inlet sides at the back thereof, is provided with such means as controlling and cooling the above...  
WO/1991/006765A1
A scroll compressor in which an axially extending minute space in the compression chamber is ensured by energizing the revolving scroll (18) toward the compression chamber while utilizing the pressure of discharged refrigerant gas introd...  
WO/1991/006771A1
When a spring (15) or (17) made for the use in the stationary scroll (3) or revolving one (4), respectively, is used interchangeably, that is, (15) for (4) and (17) for (3), as a chip seal of the scroll, even if the direction of a raised...  
WO/1991/003647A1
A pump (10) has a body (11) with a material inlet (12) and outlet (13). The pump has a pair of intermeshing screw shafts (22, 23) and a pump driver (26). The shafts (22, 23) are journalled for rotation and, according to one aspect of the...  
WO/1989/008782A1
A pump uses the pump housing as a foundation and comprises a working space (7) for product-feeding units. The bearing axles (10) of the units are pre-assembled in bearing sleeves which can be introduced so that the axles extend into the ...  
WO/1986/007416A1
Arrangement in an oil-free rotary gas compressor (2) having a high, built-in pressure ratio and provided with means (13) for injecting a vaporizable liquid, preferably water, into the compressor for cooling the gas during the compression...  
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...  
JP6688972B2  
JP2020510787A
[Means for Solution] A lubricant enclosure type vacuum pump like a rotor pump is provided with a rotor element (16) arranged at a suction chamber (10). A rotor element (16) is supported with a rotor spindle (26). A rotor spindle (26) is ...  
JP6677515B2  
JP2020051338A
[Subject] The amount of mixing of other fluid to a refrigerant is reduced. [Means for Solution] Axis of rotation 4 which scroll compressor 100 rotates to a circumference of axis O1, and bearing device 9A which supports axis of rotation 4...  
JP2020051339A
[Subject] The amount of mixing of other fluid to a refrigerant is reduced. [Means for Solution] Bearing device 9A which supports axis of rotation 4 which scroll compressor 100 rotates to a circumference of axis O1, Actuator 3 which makes...  
JP6674448B2  
JPWO2019043741A1
Fixed scrolling which the compressor equipped with the swirl lap part formed in the base plate part and the base plate part, It has rocking scrolling provided with a swirl lap part formed in a base plate part and a base plate part, and a...  
JP2020029819A
[Subject] Provide root Blower 10 provided with a shaft seal part which can lengthen an endurance life of bearing 21, timing gear 24, and mechanical seal 18. [Means for Solution] By introducing and pressurizing inactive gas, such as nitro...  
JPWO2019039575A1
The 1st side plate (27) arranged at the direction (CL1) side of the drive side axis-of-rotation line to the drive side scroll member (70) and the follower side scroll member (90), It has the center plate (20) arranged between the 2nd sid...  
JP6651615B2  
JP2020502409A
A pump assembly object is indicated. A rotor (50) on which a pump assembly object has a rotor spindle portion (80), A stator (100) which has a boa portion which defines a boa for storing a rotor spindle portion, It has a projection part ...  
JP2020502410A
[Means for Solution] The present invention relates to a vacuum pump system provided with the main vacuum pump (10) connected with a chamber (14) changed into a vacuum state. A backing vacuum pump (12) is connected with an exit of the mai...  
JP2020007910A
To provide an electric scroll compressor capable of suppressing vibration and noise.A motor housing 10 is formed in a bottomed cylindrical shape. A middle housing 30 is abutted on or fixed to the inner wall of the motor housing 10. A mov...  
JP2019218907A
To prevent slipping of a clutch by preventing leakage of lubrication oil and quickly discharge the sealed lubrication oil.There is provided an open type compressor includes: a housing 2 having a through hole 12; a compression mechanism; ...  
JP6625388B2  
JP6622527B2  
JP2019211055A
To provide a seal member which prevents excessive frictional heat from being generated between the seal member and a rotary shaft to attain stable sealing performance for a long time even if the rotary shaft rotates at high speed.A seal ...  
JP2019206918A
To provide a compressor which is high in reliability, and excellent in performance by securing a necessary high-pressure oil storage capacity while suppressing the leakage of a refrigerant.A housing 2 accommodates a compression mechanism...  
JP6611468B2  
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
To suppress enlargement in an axial direction of a rotating shaft by restricting movement toward a back pressure chamber, of a seal member without using a separate member such as a circlip.A seal member 50 has a contact portion 54 capabl...  
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...  

Matches 351 - 400 out of 3,256