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JPH081186B2 |
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JPH083538A |
PURPOSE: To obtain the composition having a specific melt viscosity and having a combination of sliding characteristics with low coefficient of friction, high fluidity in its molding in a molten state, and durability in a compressor, com...
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JPH081723A |
PURPOSE: To constitute the title method so that it can be provided inexpensively without necessitating post processing of a gate face and even at the time of molding a large number of pieces at a time, its molding tool does not grow larg...
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JPH084670A |
PURPOSE: To provide the seal mechanism of a scroll type compressor in which even if the seal members are thermally expanded, the sealing function of the seal members is not impaired. CONSTITUTION: Grooves 15, 16 are formed on the end sur...
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JPH07122435B2 |
A scroll-type compressor comprising a stationary scroll member having a spiral-shaped wrap, an orbiting scroll member interleaved with said stationary scroll and having a spiral-shaped wrap of the same shape as that of the wrap of the st...
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JPH07122436B2 |
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JPH07332262A |
PURPOSE: To perform selection of whether cooling is needed or not needed as an electromagnetic clutch is eliminated. CONSTITUTION: Since, when cooling is not needed, the solenoid 16a of a control valve 16 is brought into a non-excitation...
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JPH07317679A |
PURPOSE: To provide a seal device for a vane pump having a simple structure, causing little leak, and hardly reducing the strength of a rotor. CONSTITUTION: A rotor end face hole 14 is formed on a casing inside 1 face 8 so that a rotor e...
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JPH07317674A |
PURPOSE: To reduce a leak by minimizing the radial differences at contact sections of a rotor and a casing inner periphery in a wide range, providing a self-lubricative seal member on the rotor end face side or the casing inside face, an...
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JPH07111186B2 |
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JPH07111175B2 |
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JPH07310682A |
PURPOSE: To enhance sealing performance for a long term by displacing the mating surface of a saw-teeth form of respective chip seals so that one of the chip seals comes near to the bottom surface of the counterpart teeth, and at the sam...
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JPH07301184A |
PURPOSE: To provide a seal mechanism for a scroll type compressor which achieves constant seal performance over the whole length of a spiral part of a scroll member. CONSTITUTION: In a scroll type compressor in which a compression chambe...
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JPH07293467A |
PURPOSE: To provide a vacuum pump having high reliability, wherein the position of a shaft is prevented from being deviated, and lubricating oil is not leaked. CONSTITUTION: A vane-type vacuum pump is constituted of a rolling bearing 9, ...
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JPH07286590A |
PURPOSE: To provide a shaft sealing method for a dry type vacuum pump in which purity of product gas can be maintained, in which oil seal deterioration conditions can be grasped even during operation, and in which running cost is not req...
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JPH07279857A |
PURPOSE: To cool a fused plastic material leaking through a grand packing with no affection upon a pump body so as to safely solidify a fused plastic material. CONSTITUTION: In a shaft seal device 1, a packing retainer 9 located laterall...
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JPH07279868A |
PURPOSE: To improve the sealability of a threaded-rotor compressor by reducing the load of spigots driven in the compressor, imparting high rigidity to each rotor as a whole, and reducing a sealing gap between the end face of each rotor ...
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JPH07279678A |
PURPOSE: To attempt the effective use of a rotor crank part, so as to enable pressure fluctuation to be restrained without extending the axial length by providing a pressure reducing means in concentric with a rotor rotary shaft in a lon...
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JPH07269470A |
PURPOSE: To promote the proper retention of thrust force received by a turning scroll in its operation by installing a recess, where gas in a compression space is guided, on the back of an end plate of this turning scroll, and hermetical...
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JPH07259774A |
PURPOSE: To perform further reliable sealing of high and low seal parts, in a rotary type scroll compressor which has high and low pressure seal parts located between the end plate of a driven scroll and a bearing plate positioned facing...
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JPH07259757A |
PURPOSE: To prevent the occurrence of unstable behavior of a scroll member owing to cantilever support of the scroll member in a position spaced away from a lap on which a load of compression fluid is applied and to eliminate a need for ...
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JPH07259756A |
PURPOSE: To prevent reduction of performance of a compressor and reduction of reliability in conventional parts, in a closed type scroll compressor used in freezing and air-conditioning. CONSTITUTION: In a back pressure chamber 36, a thr...
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JPH0740708Y2 |
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JPH0784868B2 |
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JPH07233793A |
PURPOSE: To prevent abrasion and seizure due to the contact of the short diameter part of a cylinder inner peripheral surface with the outer peripheral surface of a rotor by expanding side blocks and heads for forming low-pressure chambe...
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JPH07229485A |
PURPOSE: To remarkably prolong a span of service life and durability as a sealing member by installing plural pieces of lip parts in this sealing member in a simple manner. CONSTITUTION: Plural pieces of lip parts 7(14) with uniform thic...
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JPH07229481A |
PURPOSE: To realize a hermetic seal, not resting on welding as well as to prevent any deformation in each part due to heat from occurring by supporting a driving shaft of a driving scroll, having a suction gas hole, on a main bearing ins...
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JPH07229490A |
PURPOSE: To provide a tilt preventing mechanism that supports that back circumferential part of a turning scroll with uniform pressure from the frame side in a scroll compressor. CONSTITUTION: In this scroll compressor, plural pieces of ...
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JPH07229492A |
PURPOSE: To prevent any protuberance of a groove end from occurring as well as to improve sealability by forming a groove for a seal bearing by means of press working, while installing each press recess in a block at the opposite side of...
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JPH07229484A |
PURPOSE: To prevent any performance degradation in a compressor from occurring by countervailing each upsetting moment of both driving and driven scrolls. CONSTITUTION: This scroll compressor houses a motor-operated element 2 and a compr...
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JPH07229486A |
PURPOSE: To improve fluid compressive capacity by preventing such a trend that a driven scroll or rocker scroll inclines. CONSTITUTION: A seal ring groove 14 being concentric to a base circle of a driven scroll 16 or rocking scroll is in...
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JPH0778395B2 |
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JPH07217571A |
PURPOSE: To provide a composition of the seal member for a scroll type compressor which is provided with all excellent fluidity during melt molding, wear resistance, and non-damaging properties on a slide mating material made of a soft m...
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JPH07217748A |
PURPOSE: To eliminate the lubrication and cooling of a shaft sealing device and save utility by providing a slinger for positively introducing lubricant running over from an upper side oil lubricated bearing to a discharged oil port in t...
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JPH07217560A |
PURPOSE: To perform uniform sealing throughout a whole area even when temperature distribution in a compressor under operation of a scroll compressor is brought into an uneven state. CONSTITUTION: In a scroll compressor having a scroll c...
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JPH07208350A |
PURPOSE: To attain well-balanced support by pressing up an Oldham's ring by means of a spring which has a spring hole formed on an upper surface of a frame and a steel ball installed thereon, and thereby preventing inclination under any ...
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JPH07208353A |
PURPOSE: To improve the performance of a fluid machine by improving sealability on abutting surfaces of a fixed scroll and a mirror plate of an oscillating scroll. CONSTITUTION: A scroll compression element 2 is composed of a frame 5 hav...
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JPH0772541B2 |
There is disclosed a scroll-type machine particularly suited for use as a refrigerant compressor and incorporating an improved suspension system for the non-orbiting scroll whereby the latter may be pressure biased for the purpose of aug...
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JPH07189945A |
PURPOSE: To dissolve inconvenience such as reverse rotation of a machine and noise accompanying it at stopping a scroll machine by a valve mechanism utilizing an existing machine construction. CONSTITUTION: A solenoid valve 98 or a mecha...
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JPH0769015B2 |
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JPH07174082A |
PURPOSE: To provide a scroll type fluid machine which has the less movable distance in the axial direction of a main shaft in comparison with the conventional scroll type fluid machine and secure the favourable lubrication at the part fo...
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JPH07174093A |
PURPOSE: To prevent the deterioration of the sealing performance even in the case where a sealing member is worn out, and stabilize the compression performance for a long period. CONSTITUTION: A seal divided body 21 which is divided into...
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JPH07174094A |
PURPOSE: To surely float up a sealing member toward the tooth land of the opponent and improve the sealing performance of a sealing member. CONSTITUTION: Each saw-toothed stage part 22 is formed on the bottom surface of a recessed groove...
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JPH07167070A |
PURPOSE: To enhance the sealing performance of a sealing member in proportion to compression pressure to prevent leakage by forming an annular axial pressure chamber in a rotary valve housing, inserting the sealing member therein, and ap...
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JPH0758077B2 |
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JPH07158566A |
PURPOSE: To cool and lubricate a shaft sealing device, without generating a large size of the structure and a high manufacturing cost in a compressor, and under a low suction resistance. CONSTITUTION: The communicating hole 62d of a suct...
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JPH07158571A |
PURPOSE: To prevent the increase of the physical size of a compressor and the increase of a manufacturing cost and to perform cooling and lubrication of a shaft sealing device with the low suction resistance. CONSTITUTION: The communicat...
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JPH0756272B2 |
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JPH07151078A |
PURPOSE: To improve the performance of refrigerant to be separated from lubricating oil by providing a circumferential wall cover along the range of rotation of a balance weight, and positioning the upper end part of the opening part of ...
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JPH07151074A |
PURPOSE: To prevent leakage caused by a gap between the tip portion of a scroll wrap and an opposite scroll bottom surface in a scroll type compressor. CONSTITUTION: This device is provided with pressurizing means 101 to 105 for pressuri...
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