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Patent Searching and Data


Matches 1,101 - 1,150 out of 3,237

Document Document Title
JP2004301173A
To provide a sealing structure capable of improving resistance to permeation of refrigerant gas by far while saving a space and reducing cost.In this sealing structure in which multistage O-rings 50, 51 are provided in the direction of s...  
JP3581135B2  
JP3582917B2  
JP2004293323A
To provide a pump of a relatively simple structure, of little manufacturing cost, easy to miniaturize, hard to develop troubles, and of good pump performance, and an ink-jet printer having the same mounted thereon.The pump 30 mounted on ...  
JP2004293420A
To provide a lubricating oil sealing structure of a multi-stage dry pump which suppresses deterioration of sealing performance to materialize long term stable utilization with less mechanical loss while minimizing possibility of intrusio...  
JP2004293463A
To solve such problems that when welding an airtight container for a hermetic compressor, sputter of solidified scattering molten metal generates, and it invades inside the airtight container from the clearance, drops in the lubrication ...  
JP2004293507A
To improve processing efficiency, reduce corrosion due to intrusion of water, and control an axial direction dimension of whole device.This scroll type compressor is provided with a fixed scroll 40, a contact surface 53 which an open end...  
JP2004293377A
To provide a multi-stage dry pump which has a compact structure and prevents entry of process gas to a bearing side.The multi-stage dry pump has a housing 2 equipped with a plurality of pump chambers 8, 9, 10, 11, two pieces of rotating ...  
JP2004531665A
The present invention is a thing about a water injection type screw compressor, The compressor element (2) equipped with the housing (7) to which two rotors (9, 10) 支承 (ed) in the housing (7) by the slide bearing (1) by which lubrico...  
JP3576253B2  
JP2004277610A
To provide a sliding member, nonsliding member and scroll fluid machine that have a small friction coefficient and excellent abrasion resistance.This sliding member comprises 70 wt.% or more of polytetrafluoroethylene and 0.1-5 wt.% of d...  
JP3574447B2  
JP2004270455A
To reduce the manufacturing cost of a pump with simple structure while seldom causing the failure of the pump.The pump 30 is connected between an injection head 2 and an ink tank 20. A case 31 of the pump 30 is provided with an intake ho...  
JP2004270599A
To solve performance degradation and reliability degradation by improving sealing performance of a sliding surface between a frame and a swirl scroll back surface by a seal ring in a closed scroll compressor.By making appropriate filling...  
JP2004263690A
To provide a vane type vacuum pump capable of reducing driving force.The vane type vacuum pump comprises a housing 1, a rotor 2 that is stored in the housing 1 and rotatably supported by the housing 1, and a vane 3 that is slidably dispo...  
JP2004263627A
To provide a vacuum pump including a shaft seal, preventing corrosion due to corrosive gas and ensuring the smooth operation.This vacuum pump is composed of a first screw rotor having a plurality of spiral land parts and a plurality of s...  
JP3566389B2
PURPOSE: To shorten the length in an axial direction of an oil pump housing compared with that of a conventional type. CONSTITUTION: An outer cylinder surface 21 is formed down to depth at which it is overlapped with a part of an inner c...  
JP3564936B2
To reduce pressure and to lower temperature working on a shaft seal part. This compressor is constituted by providing shaft seal parts 13, 14 at two points in a front part side plate 7 constituting a compression chamber, providing a spac...  
JP3561929B2  
JP3560901B2
To secure sealing between the back pressure side and the low pressure side of a compression chamber by restraining a sliding loss and the increase in driving force generated by stir of back pressure fluid without the problem of the enlar...  
JP2004239080A
To provide a rotary compressor and a compressor mechanism using this compressor for preventing leakage of a medium even if rotation is a low speed without requiring high work accuracy.This rotary compressor 10 has a cylinder 13 having a ...  
JP3556898B2  
JP2004232545A
To prevent temperature rise of a scroll compressor, and deterioration of efficiency by an influence of a compression spacing because of inconstant thermal expansion coefficient.Lap height 9 of a swing scroll 2 with large thermal expansio...  
JP2004211595A
To provide a scroll fluid machine that has a long service life and is small and inexpensive with high performance.In the scroll fluid machine disclosed in 2001-304141, a cooling fin is formed on the rear of a fixed scroll, a cooling fan ...  
JP2004210885A
To obtain a sealing material having a low coefficient of friction and excellent abrasion resistance and to provide a scroll fluid machine equipped with the same.The sealing material comprises a polytetrafluoroethylene, spherical copper p...  
JP2004204680A
To provide a scroll compressor constituted at a low cost and suitably regulating the pressure in a back pressure chamber.A housing 11 is disposed with the back pressure chamber 16 in the side of a rear surface 65a of a base plate 65 of a...  
JP2004190605A
To provide a fluid machine which has a long service life and high reliability and is capable of realizing less or no frequency of sliding member replacement, and significantly low running cost.This fluid machine includes sliding members ...  
JP2004190526A
To provide an oil feeding method and an oil feeding mechanism for setting pressure in a seal chamber for housing a shaft seal device of an oil-cooled screw compressor to substantially constant pressure in unloaded operation and full load...  
JP2004190617A
To prevent intrusion of dust, refuse and water into a seal chamber via a vent hole without impairing the function possessed by the vent hole in an oil free screw fluid machine.This protector 1 protects a shaft seal device 30 of the oil f...  
JP3540016B2
PURPOSE: To enable a molded chip seal to be taken out without generating any deformation and damage by preventing the chip seal from being burnt by gas in the injection molding of the chip seal to be used for a scroll compres sor. CONSTI...  
JP2004183497A
To improve the performance in compressing operation by preventing fluid from leakage from a compression chamber of a high pressure stage in a twin lap scroll fluid machine.The twin lap scroll fluid machine is comprised of a cylindrical c...  
JP2004183482A
To provide a scroll fluid machine reducible in the number of parts and assembling man-hours while preventing a failure to put a seal.A lap recessed groove 78 extending along a lap part 58 is formed at the tooth tip of the lap part 58, an...  
JP2004176699A
To provide a motor integral type compressor capable of preventing intrusion of a lubricating oil and dust into a motor chamber and hardly receiving respective thermal influence of a compressor body and a motor.A shaft sealing device 33 p...  
JPWO2002063171A1
給油経路途中に設けた絞りや流量調整弁にて 決定されるボス部外側空間の圧力Pm1(M Pa)を、Pm1=Ps+αとし、スクロー 圧縮機の運転圧力範囲の中で、高低圧...  
JP2004162645A
To provide a compressor 2 in which extremely high pressure natural operating medium X in a main body 23 of the compressor 2 is prevented from flowing out of between a drive shaft 21 and the main body 23 to the atmosphere or the like, eve...  
JP2004162540A
To provide a screw compressor allowing simplification in structure, reduction in size and reduction in load of maintenance.This screw compressor 1 for a refrigerating device is provided with liquid injecting holes 16, 17 and 18 punched i...  
JPWO2002061285A1
背圧調整が容易で、高い圧縮効率の実現が可 能なスクロール圧縮機。固定渦巻き羽根と旋 回渦巻き羽根を噛み合わせて形成した複数の 圧縮空間と、旋回渦巻き部材の旋回渦巻...  
JPWO2002061284A1
スクロール圧縮機の固定スクロール部材(1 2)を固定するためのガイドフレーム(22 )が複数の円筒面(33、35)を有し、揺 動スクロール部材(14)をガイドフレ...  
JP2004156624A
To provide a scroll compressor comprising a coating layer having uniform thickness, lubricity, and less friction, and producing small abrasion pieces even if it is worn.A coating layer 9 having an electroless nickel plated layer and a PT...  
JP2004150394A
To improve durability and reduce sliding resistance of a seal member for sealing between a fixed scroll and a turning scroll.A scroll type compressor system 10 is constituted by combining the fixed scroll 14 and the turning scroll 16 in ...  
JP2004144045A
To provide a scroll compressor of which the elastic body can be inexpensively manufactured.The circular annular shaped and flat plate shaped elastic body 71 is disposed on a back face side of a substrate 65 of a movable scroll member 45 ...  
JP2004144046A
To provide a rotary cylinder device which is compact as a whole and used as a compressor or a suction device.The rotary cylinder device includes integrally a rotary cylinder member 1, a motor 71, a fan 73, a circulation means 74, and a c...  
JP2004138072A
To provide a rotary scroll compressor in which any unstable behavior of a scroll member caused by the cantilever support of the scroll member at a position away from laps under a load of compressed fluid is eliminated, a gap of the laps ...  
JP2004138027A
To provide a screw compressor capable of structuring a compact air conditioner at a low cost and capable of supplying a sufficient quantity of fresh lubricating oil to a mechanical seal.A part of a housing 1, a presser plate 6 and an ann...  
JPWO2004036046A
A Behn style vacuum pump which has a rotor (34) rotated while making Behn (42) glide through a housing (21), It was provided in the axis of rotation (31) and the same mind between the housing and the rotor, and has the labyrinth [which h...  
JP2004512454A
A fluid power transmission device (20) has the swash-plate assembly object (26) equipped with the swash plate (58) which 転動 where the 切頭 conical portion (42) of a housing (22) is hit, and it a swash plate, It has the inner side e...  
JP2004512469A
The rotor room (3) where the present invention is formed in the housing (3) by which at least one rotor (1) for compression of the axis (4) of the rotor (2) of a compressor element of gas is arranged, It is related with the method of car...  
JP2004124906A
To provide a scroll compressor capable of improving moving ability and sealing performance of a seal ring as a back pressure chamber sealing means.In the scroll compressor, an end portion of a shaft 1 positioned in a turning scroll 6 sid...  
JP2004116431A
To provide a highly reliable positive-displacement vacuum-pump device, in which invasion of a lubricating oil from an intermediate chamber into a pump chamber can be prevented without always supplying a purge gas, and slide loss in a sea...  
JP2004116471A
To improve compression efficiency by preventing compressed fluid from leaking from a compression chamber on a high pressure side to the outside.Between a bearing installing cylinder portion 3B of a casing 1 and a fixed scroll 4B on the h...  

Matches 1,101 - 1,150 out of 3,237