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Matches 851 - 900 out of 3,229

Document Document Title
JP2008190330A
To provide a scroll fluid machine capable of preventing a power loss and enhancing the degree of hermeticity of a compression chamber.A plurality of outer peripheral projections 15, 16 are formed on the outer peripheral surfaces 4B, 13B ...  
JP2008190493A
To prevent deterioration of the volumetric efficiency of a compression mechanism caused by fluid leakage in a clearance of a valve element closing a bypass passage.The valve element (64) is fitted in a valve element receiving part (61) f...  
JP2008531910A
The vacuum capacity type pump (10) of a single axis has two pump stages (12, 14) and one drive motor (16) with one pump rotor (13, 15), respectively. A drive motor (16) is the direction of an axis, it is arranged between both pump stages...  
JP4130113B2  
JP4128442B2  
JP2008169800A
To provide a scroll fluid machine capable of surely pressing a turning scroll to a fixed scroll side without enlarging a diameter of the turning scroll even in the case where a pressure ratio P1/P2 of a pressure P1 of a high pressure cha...  
JP4121783B2  
JP4121247B2
The invention relates to a rotary screw machine that is completely oil-free. Known rotary screw machines with cooling, sealing, lubrication of the screw rotors and oil-lubrication and oil-cooling of the bearings have been replaced with w...  
JP2008163831A
To reduce heat input quantity to fluid flowing in an expansion mechanism from lubricating oil supplied to the expansion mechanism, in a fluid machine having a compression mechanism compressing the fluid held in a casing together with the...  
JP4119423B2  
JP4119757B2  
JP2008524515A
The cylinder in which the inside of the casing 100 a discharge pressure state is maintained is equipped with a capacity good transformation rotary compressor, With the rolling pistons 340 and 430 which it is inserted in the axis of rotat...  
JP2008157053A
To provide a manufacturing method of a screw type supercharger capable of improving compression efficiency by decreasing minute clearance between a rotor and a casing.The manufacturing method of a screw type supercharger of the invention...  
JP2008523301A
[Subject] The present invention offers a scrolled type pumping installation. [Solution means] the scrolled type pumping installation of the present invention, It has an end plate and the stator (104) containing the fixed scroll component...  
JP2008150991A
To provide a fluid machine, whose reliability and productivity can be improved.This fluid machine has a seal ring 62 supported by a frame 18 concentrically with the axis of a rotary shaft 16, having an abutment joint 70 formed when oppos...  
JP4112172B2  
JP4106223B2  
JP4107903B2  
JP4104391B2  
JP4101932B2  
JP4103709B2  
JP4103708B2  
JP4103225B2  
JP2008127990A
To provide a screw compressor capable of effectively sealing a clearance between a screw rotor and casing and of enhancing compression performance.A screw compressor 1 which is equipped with a female rotor and a male rotor 2 which rotate...  
JP2008121479A
To obtain a hermetic screw compressor capable of entirely preventing flowing out of high temperature oil supplied to a low pressure side bearing to low pressure side (motor side), and is easy in maintenance.The hermetic screw compressor ...  
JP2008121490A
To reduce liquid leakage in compression chambers (41, 42, ...) effectively by an eccentricity variable mechanism (12) in a rotary compressor (10) wherein a movable member (25) makes eccentric rotational motion.The eccentricity variable m...  
JP2008516146A
[Subject] The equipment and the method of controlling the thermal expansion of the direction of an axis in a scrolled type pump are offered. [Solution means] A pump frame and the fixed scroll element fixed to the above-mentioned pump fra...  
JP4086609B2  
JP2008106669A
To reduce mechanical loss at a slide part of a fixed member and a movable member.In a compressor 1, a piston 60 rotates eccentrically with respect to a cylinder 70 to change volume of a cylinder chamber C formed between the cylinder 70 a...  
JP2008101514A
To provide a tip seal part structure of a scroll compressor, without generating an excessive load on the tip of a scroll wall, that is, capable of improving efficiency in the compressor, while securing sealability equal to a conventional...  
JP4081719B2  
JP4080805B2  
JP2008510935A
or [that the enforcement form of the present invention carries fluid under pressurization equipped with the course by which the seal part was 画成 (ed) so that fluid may be discharged, when a seal part is damaged] -- or it aims at the ...  
JP4072811B2  
JP4062443B2  
JP4061850B2  
JP2008051116A
To improve the sealing function of a labyrinth seal for preventing oil leakage to the pump chamber of a vacuum pump.Annular shaft sealing rings 49, 50 are fitted and fixed to rotating shafts 19, 20 in fitting holes 47, 48 formed in a rea...  
JP4051672B2  
JP2008031848A
To provide a scroll compressor having a cross sectional shape for solving the problem that floating performance is deteriorated due to the interference of an edge part with a groove wall surface of the chip seal when force in a twisting ...  
JP2008025462A
To provide a hermetic scroll compressor solving a defect that an edge part interferes with a chip seal groove wall surface when force acts on a chip seal in a twisting direction due to a rectangular chip seal section shape, floating perf...  
JP4043433B2  
JP2008019747A
To provide a screw compressor which has simple structure to reduce an installation space, and in which mechanical seal is easily replaced, in a screw compressor for a refrigerating device using refrigerant such as ammonia.In the screw co...  
JP2008019786A
To implement a sectional shape of a chip seal that solves the problem wherein a substantially rectangular sectional shape lets edges interfere with chip seal groove wall surfaces to lower floatation performance when a torsional force act...  
JP4038740B2  
JP4039320B2  
JP2008002286A
To provide a scroll compressor for restraining the deterioration of performance by maintaining predetermined back pressure by improving the sealability of a back pressure valve.A back pressure valve element 34 is formed in a disk shape h...  
JP4031223B2  
JP2007332919A
To provide a scroll compressor reduced in weight, capable of solving gas leak due to pressure deformation of a housing or a scroll member without enhancing the rigidity thereof by optimizing the structure of the housing and the arrangeme...  
JP2007327470A
To provide a scroll fluid machine capable of accurately and surely informing the replacing timing of a tip seal, and capable of surely preventing the occurrence of various inconveniences by previously avoiding direct contact of a fixed s...  
JP4013730B2  

Matches 851 - 900 out of 3,229