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Patent Searching and Data


Matches 1,001 - 1,050 out of 3,229

Document Document Title
JP2006022689A
To prevent contact of a grease-sealed type ball bearing with a seal cover to secure stable performance.In this air pump, a resin packing 117 of which portion positioned in the first grease-sealed type ball bearing 115 is hollowed is inse...  
JP2006502347A
A casing (1) has the inner surface (3) of a cylinder type which has demarcated the chamber of operation. It is equipped with the revolution piston (4) in a chamber of operation so that it may circle in the surroundings of the chamber axi...  
JP2006009576A
To provide a compressor capable of preventing a lowering of compressing performance caused by the volumetric efficiency degradation of a compression mechanism due to an increase in the expansion amount of an intake refrigerant caused by ...  
JP3731433B2
To prevent efficiency reduction and a mechanical loss by controlling pressing force of a movable scroll to a fixed scroll in a scroll type compressor having the fixed scroll fixed in a casing and the movable scroll for meshing with the f...  
JP2006500541A
The piston main part for piston cylinder equipment in which the present invention is manufactured by powder metallurgy process, Are especially a shock absorber piston, have an one piston main part (6), and this piston main part in the do...  
JP3731068B2
To provide a rotary compressor wherein an oil is supplied through a main oil passage 51 formed in a driving shaft 17 to bearings 32, 34, 45 by utilizing a level differential pressure in a casing, and the reliability of the bearings 32, 3...  
JP3731069B2
To adjust the supplied amount of high-pressure oil without clogging with dirt in a scroll compressor 1 formed to press a movable scroll 26 against a fixed scroll 24 and having a structure to reduce a thrust load by supplying the high-pre...  
JP2006002717A
To provide a compressor including a simple structure sealing mechanism sufficiently suppressing sliding resistance between a seal member and a sliding surface and securing sealing performance.This sealing mechanism 51 seals a gap 67 betw...  
JP2005351111A
To provide a scroll compressor which prevents breakage of chip seal in a simple configuration, enhances sealing performance between a fixed scroll and a movable scroll, and has excellent compression efficiency.A scroll compressor has a m...  
JP3728514B2
PURPOSE: To provide a gas compressor of high efficiency with no risk of leakage even in case the compressor is configured in the trochoid type. CONSTITUTION: A gas compressor concerned comprises a pair of side covers 41, 42 at least eith...  
JP2005538293A
The early warning system for the equipment which receives damage eternally or temporarily with the contaminant contained in the air sent from air movable type equipment, such as a compressor arranged at the upper stream side of equipment...  
JP2005330824A
To provide an air pump capable of preventing a bearing from coming off a housing or loosening up when the bearing and a housing are constructed with members of different thermal expansion in a bearing part of an air pump.In the air pump,...  
JP2005325827A
To provide an inexpensive fluid machine having a long life time and causing no abnormal sound.In the fluid machine, a blade is formed of fluorocarbon resin and a solid lubrication coat is formed on a low-pressure-side side wall and a hig...  
JP2005320885A
To increase corrosion resistance and always retain stable sealability by providing a back-up tube of a dust seal in a scroll fluid machine with a new structure back-up member replacing a conventional back-up tube in the back of or inside...  
JP3713782B2
To sufficiently secure sealing performance of an operating chamber by a chip seal in a scroll compressor. Grooves 2d, 4d into which chip seals 11, 12 are to be inserted are formed into a trapezoidal shape so that the groove width L may b...  
JP2005307770A
To provide a scroll fluid machine solving various problems, by simply superposing the ends of a dust seal and only fitting to a dust seal groove without applying special machining to the dust seal in the scroll fluid machine.The annular ...  
JP2005307764A
To provide a rotary compressor capable of reducing loss of gas leakage (in particular, gas leakage when CO2 is refrigerant gas) in a cylinder as much as possible and increasing compression performance than a conventional rotary compresso...  
JP2005299496A
To provide a scroll compressor capable of avoiding the generation of chamfer when moving a revolving scroll member backward even if a space between an end plate part of the revolving scroll member and an opposite surface facing to the en...  
JP2005299653A
To provide a rolling piston for minimizing the leakage of gas during compressing gas, and to provide a rotary compressor gas leakage preventing device equipped therewith.The rotary compressor gas leakage preventing device comprises a cyl...  
JP2005291207A
To provide a minimum flow recirculation system of a scroll compressor arranged not only to prevent the heating of the high-temperature portion of the compressor above a set temperature but also to allow the reduction of manufacturing cos...  
JP2005282446A
To provide a scroll compressor for performing sufficient lubrication without supplying oil unnecessarily to reduce a rate of oil content in discharged refrigerant and thereby to prevent degradation in heat efficiency.The scroll compresso...  
JP2005282936A
To improve the energy saving performance and controllability by improving the operation efficiency as a whole and to prevent a problem that a compressor motor becomes inoperative by failure.In this cooling device, a digital control refri...  
JP2005273501A
To provide a horizontal scroll compression device high in reliability, for preventing lubricating oil from flowing into an electric motor part and preventing degradation or damage of an electric motor winding.The horizontal scroll compre...  
JP2005264748A
To increase reliability by solving a problem in the shortage of a lubricating oil by preventing the lubricating oil from excessively flowing into an expansion chamber in an expansion mechanism.An annular seal groove 91 is formed in both ...  
JP3698175B2
To simplify a structure and enhance durability and stability of a seal, by improving a shaft steel structure of a delivery hole inserted through a rotary center shaft of a driven scroll in a total system rotary type scroll fluid machine....  
JP2005248741A
To provide a vacuum pump, not susceptible to corrosion by corrosive gas and having a shaft seal securing smooth operation.Shaft seal structure 17 is disposed to outer peripheral faces of bearing bodies 16M, 16FM positioned at the inside ...  
JP2005240743A
To provide a two-stage rotary compressor capable of abolishing a recessed groove machining for installing an O-ring on the outer periphery of a bearing part formed in a thin wall thickness and long size and a cutting of an upper support ...  
JP2005240676A
To provide a compressor, enough lubricating a part needed to be lubricated and an air conditioner including the compressor.This compressor includes: a compression chamber C; a discharge cavity 23 to which a fluid compressed in the compre...  
JP2005240787A
To provide a package type compressor capable of reducing the environmental load and being installed easily.The package type compressor 1 has a box 2 fitted with a soundproof cover, and the box 2 is equipped internally with a motor 3, an ...  
JP2005233042A
To provide a scroll compressor with a rotation prevention mechanism absorbing processing errors and assembling errors of a drive shaft, a crank pin and the like and surely preventing leakage of a lubricant from insides of support holes.A...  
JP2005226471A
To provide a low cost sealing structure using a rubber material as a sealing material sealing carbon dioxide gas refrigerant.A sealing structure for a connection part having a fitting cylinder part 26 of a rear housing 6 fitted in a rear...  
JP3688267B2  
JP2005214045A
To provide a screw compression device capable of reducing a thrust load applied to the thrust bearing of a rotor to zero when an operation is stopped.In this screw compression device, a discharge side rotor shaft is connected so as to on...  
JP2005207364A
To provide a seal ring at a low cost and with a high reliability.A seal ring structure has a nearly annular-shaped seal ring for sealing between one of the members that constitutes a gastight chamber and the other member, and a nearly an...  
JP2005207408A
To surely seal a gap between a suction port and a suction pipe without increasing pressure loss of suction gas and disturbing displacement of a compression mechanism and a motor.In a compressor having the compression mechanism 20 and the...  
JP2005201114A
To provide a compressor which can suppress a displacement of the compressor against high pressure of refrigerant gas compressed, and enlarge a volume of a delivery chamber more without causing an enlargement or the like of a housing simu...  
JP2005522620A
The present invention is the "suspended-pattern scroll" structure of a kind of scrolled type fluid displacement equipment. The side wall equipment of the corkscrew shape in double operation scrolling is on the opposite both sides of an e...  
JP2005194956A
To provide a compressor which has a simple structure, low torque change and a good efficiency.The compressor C includes a compressing element 3 constituted by a cylinder 8 which constitutes a compressing space in an interior, an intake p...  
JP2005195016A
To provide a compressor capable of extending the life of a valve element and improving the compression efficiency of the compression chamber by improving the structure of a valve device opening/closing a discharge port where compressed g...  
JP2005188326A
To provide a fluid compressor for preventing generation of water in a motor chamber to deteriorate a fluid compression function, by suppressing entering of fluid containing hydrogen from a pump chamber side into the motor chamber.A gear ...  
JP3670307B2
PURPOSE: To provide a helical blade type fluid compressor which can prevent the leakage of compressed fluid at the position where a blade stopper is mounted with simple constitution. CONSTITUTION: This fluid compressor is equipped with a...  
JP2005180330A
To provide a rotary compressor capable of improving compression efficiency by reducing leakage of compressed medium from an edge portion of a roller fitted at an eccentric shaft portion.In this compression mechanism portion 10 having a f...  
JP2005180345A
To provide a scroll compressor having simple valve configuration for back pressure adjustment.A fixed side base plate 32 of a fixed side scroll member 31 in a housing 11 is provided with a front side fixed wall 69 for slidably supporting...  
JP2005180321A
To prevent generation of an abnormal sound when adjusting a position, in a scroll compressor constituted so that one of a fixed scroll 21 and a movable scroll 22 can be positionally adjusted in the axial direction.A seal ring 18 for form...  
JP2005171951A
To provide a construction capable of cooling an inverter and miniaturizing a compressor without increasing the number of part items.For cooling an inverter device, the inverter for the compressor is integrated with the compressor without...  
JP2005171959A
To provide a shaft seal device with a relatively simple structure capable of securely preventing leakage of lubricating oil into inside of a motor chamber, in a motor integrated compressor.On a drive shaft 14 of the motor integrated fuel...  
JP3664498B2
PURPOSE: To provide a compact vacuum pump while securing required performance of an engine surface-mounting type, and enable usage of one kind of pump in the case that specifications of the vacuum pump such as installation position, or i...  
JP2005163713A
To provide a fluid compressor capable of preventing generation of water in a motor chamber even if fluid containing hydrogen flows into the motor chamber from a pump chamber side and preventing deterioration in performance as the fluid c...  
JP2005163745A
To provide a highly efficient compressor by reducing leakage even in small pressure difference, while preventing partial contact even in large pressure difference to reduce noise and oscillation caused by the contact.A swirl scroll 13 is...  
JP2005155568A
To provide a scroll fluid machine capable of adjusting the capacity in a plurality of stages, and preventing degradation in the efficiency.The scroll fluid machine comprises a fixed scroll (21) and a movable scroll (22) having a spiral w...  

Matches 1,001 - 1,050 out of 3,229