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Patent Searching and Data


Matches 1,051 - 1,100 out of 3,229

Document Document Title
JP2005517866A
The rotor classification (14) which the vacuum pump (10) has at least one rotor spindle (12), and this rotor spindle (12) equipped with the rotor (16), It has the bearing classification (18) which has a bearing (20), and the axial seal c...  
JP3661454B2
To provide a compressor having high reliability and high efficiency by forming a frame space between a compliant frame and a guide frame, and setting the inside of the frame space to the pressure higher than a suction pressure and not mo...  
JP2005146967A
To provide an air compressor not requiring a mechanical seal, with less load in maintenance work.The air compressor 1 is equipped with an oil injection type screw compressor main body 11 having female and male screw rotors 33, 34 housed ...  
JP3658831B2
To prevent invasion of abrasion powder from a circular seal to the refrigerating cycle side by providing a communication port to be provided between a fixed scroll and a support member for that on a back surface of an end plate of the fi...  
JP3649465B2
PURPOSE: To provide a scroll compressor wherein a seal part can be easily assemble to eliminate a leak of refrigerant gas in the seal part. CONSTITUTION: A fixed scroll 2 and a swivel scroll, engaged with a fixed volute tooth 5 of the fi...  
JPWO2005042979A
When a canned motor was used for an actuator in a revolving dry vacuum pump, there was a problem that reaction generation gas will mix in an inside of a canned motor, and a motor will break down, therefore a revolving dry vacuum pump wil...  
JP2005120948A
To suppress leakage of lubricating oil into a compression chamber during suspension of a gas compressor.A space 41a between oil-seals 18, 23 and bearings 15, 21 is allowed to communicate with a low-pressure conductive hole 42 opened to t...  
JP2005113791A
To provide a hermetic compressor improving performance of a device by reducing refrigerator oil quantity in compressed refrigerant discharged from a delivery pipe positioned at an upper part of a hermetic vessel.Clearance between a muffl...  
JP2005098210A
To provide a multistage dry pump capable of suppressing occurrence of a rotor locking, and reducing manufacturing cost by making the rotor with an intricate profile requiring high precision in machining to be easily machined.The multista...  
JP2005090371A
To provide a motor built-in fuel gas compressor capable of preventing leakage of lubricating oil into a motor chamber and preventing intrusion of fuel gas into the motor chamber and having high safety.In this motor built-in fuel gas comp...  
JP2005076511A
To provide an oil free screw compressor capable of improving working efficiency in maintenance of a bearing, reducing length of an output shaft of a motor, and improving assembly accuracy thereof.In the oil free screw compressor having a...  
JP3630769B2
PURPOSE: To aim at inexpensive improvement in high performance reliability by which a fixed scroll can be guided securely without any dimensional increase in a cylindrical sliding part and sufficient sealing property may be secured in an...  
JP2005061349A
To provide a scroll compressor having a chip seal in a sectional shape to solve the following problem: when a force is applied on the chip seal in the direction of torsion, the edge part interferes with the chip-seal groove wall-face, an...  
JP2005061304A
To suppress decline in sealing performance due to effects of thermal expansion or the like, by receiving fluid pressure and exerting the sealing performance.Between a fixed scroll 5B and a revolving scroll 21B at a high pressure stage, a...  
JP2005506482A
[Subject] The new liquid seal pump of spiral screw form is offered. [Solution means] Liquid seal pump of the spiral screw form that the spiral screw rotor (7) which has the pump housing (3) equipped with the entrance (2) and the exit (6)...  
JP3625816B2  
JP3622755B2  
JP2005030360A
To provide a screw compressor enabling an increase in performance by preventing a fluid from leaking in the peripheral direction of a screw rotor.The facing surface 10 of a screw rotor 1 and the facing surface 20 of a stationary member 2...  
JP2005030361A
To provide a screw compressor enabling an increase in performance by eliminating a clearance between the inner surface of a slide valve and the peripheral surface of a cylinder chamber.This screw compressor comprises a casing 1, a screw ...  
JP2005016492A
To provide a scroll fluid machine capable of effectively compressing a fluid.A fixed scroll 2 and a stator 3 are fixed to a casing 1. A rotational shaft 8 is rotatably supported by the casing 1. A rotor 9 is fixed to the rotational shaft...  
JP3611574B2  
JP2005009342A
To reduce loss of recovered energy in lip seal, in an expander-integrated compressor.In a power transmission mechanism, power transmission from a shaft 331 side to a shaft 108 side is allowed, and the power transmission from the shaft 10...  
JP2005002995A
To provide a means to exert the desired sealing performance stably.The installing structure of a shaft sealing mechanism according to the invention is equipped with a groove 71 having a width greater than the minimum width dimension w3 o...  
JP2005002949A
To provide a compressor having a simple structure and sufficiently securing sealing performance of a packing despite long-term use under a high-temperature high-pressure condition, to meet the trend moving toward reduction in size and we...  
JP2005002922A
To provide a scroll compressor capable of preventing delay in oil feed when starting and having high reliability.Diameter d of an annular seal 11 dividing a back pressure chamber 12 provided on a rear face of a turn spiral part 5 into an...  
JP2005002957A
To prevent the gas in a pressure reducing section from flowing backward at the time of a halt in a scroll fluid machine.In the scroll fluid machine in which the gas sucked from one end in the radial direction is force-fed to the other en...  
JP3608268B2  
JP2004360490A
To reduce the size and noise of a hermetic compressor by suppressing the displacements of a compressing mechanism and a motor due to a difference between a discharge gas pressure and an intake gas pressure when the compressing mechanism ...  
JP2004360464A
To further reduce the minimum rotational speed determined by the shaft seal structure of a compressor body by sufficiently securing a rotational speed control area irrespective of a compressor body, model, and specifications in an oil-le...  
JP2004360571A
To provide a vacuum pump capable of preventing oil from entering during pump stop and supplying oil to a pump chamber at low oil pressure during pump operation.This vacuum pump sucks air from a sucking port 4 and discharges air from disc...  
JP2004353796A
To prevent friction of a floating plate with a circumferential face of a rotational shaft in a seal part, and to improve sealability.In a plate brush sealing device 1, a shielding plate 3A is formed to an outer peripheral side of each se...  
JP3602576B2  
JP2004346791A
To reduce processing cost by eliminating processing of a wall body side step part or a bottom part side step part in processing of a scroll member of a scroll fluid machine.In the scroll member of the scroll fluid machine of which scroll...  
JP2004346265A
To provide a sliding material used for a non-lubricated sliding surface that has improved wear resistance and has a prolonged service life.The sliding material used for a non-lubricated sliding surface is formed of a base resin comprisin...  
JP2004536248A
The scrolled type compressor containing the fixed plate which has spiral involute, and the orbital plate which has spiral involute by which efficiency has been improved is offered. A fixed plate and an orbital plate are positioned within...  
JP2004339987A
To provide a vane pump capable of admitting large rotating torque and withstanding large discharge pressure and reduced in size.In a stuffing box 43 on the inside of the connection part 88 of a bracket 35 with a casing 32, a gland packin...  
JP2004332767A
To provide a mechanical seal for a compressor for enhancing the shaft sealing function by preventing partial wear between a rotary ring and a fixed ring.In a mechanical seal 14 in which a rotary ring 142 rotated with a shaft 12 and a fix...  
JP2004316533A
To improve sealing performance and lubricating ability, and to reduce sliding resistance in the sliding and the sealing section of the compressing mechanism of a rotary compressor.Approximately spherical shots are injected to each slidin...  
JP3584533B2  
JP3583546B2  
JP2004308457A
To solve such a problem that, though there is possibility that at an operation of a scroll type compressor, a lubricant inside a bearing with lubricant is splashed due to centrifugal force accompanied with rotation of a shaft and pressur...  
JP2004301054A
To provide a hybrid compressor of which efficiency and durability can not easily drop even after use of long period of time.In the hybrid compressor provided with a compression mechanism 10 constructed in a center housing 2, a fixed scro...  
JP2004301100A
To secure sealability between a rotor of a vane pump and a side plate while lowering frictional resistance of the rotor due to sealing.An annular seal ring 44 is housed inside an annular vane push-up port 37b formed on the rotor 37R of t...  
JP2004301093A
To provide a seal device in which sliding resistance is reduced and durability is improved by pressing a seal member on an opposing sliding surface with optimum pressing force in the seal device used between sliding surfaces difining a h...  
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 ...  

Matches 1,051 - 1,100 out of 3,229