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JP2006170125 |
To obtain smooth operability even in inertia rotation in a hydraulic motor.In the hydraulic motor provided with a piston mechanism reciprocating a piston by supplied pressurized working fluid and rotating an output shaft, supply and disc...
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JP3818175 |
To reduce mechanical loss of a radial type fluid machine such as an expander. A plunger sliding axis CLp is shifted from the rotational center of a rotating cylinder 12. As a result, when refrigerant flowing into a working chamber 12b ap...
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JP2006161753 |
To make it possible to always perform proper lubrication and cooling etc. for a reduction gear.A part of pressure oil (a pressure oil signal for tipping) for tipping flowing through an oil passage 17 for tipping is introduced as lubricat...
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JP3815462 |
To provide a shoe 1 easily ensuring a uniform contact of a sliding contact surface, and manufactuable at low cost. This shoe 1 comprises a hemispherical recess part 1C to which a spherical part 5A of a piston 5 is fitted. In the hemisphe...
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JP2006144748 |
To provide servo piston fixing structure for fixing a servo piston on a servo piston storage part without causing displacement in a sliding direction in assembly of a variable displacement swash plate type hydraulic rotating machine.The ...
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JP2006132464 |
To provide a swash plate type pump motor capable of supplying lubricating oil to the vicinity of shoes without forming oil holes guiding lubricating oil to a rotational shaft.This swash plate type pump motor is provided with cylinder blo...
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JP3806248 |
To provide an axial piston pump and a motor of cam plate type that reduces vibration and noise. In an axial piston pump and a motor of cam plate type, a cylinder block 20 is provided with arc-like cut-off portions 22 corresponding to the...
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JP2006112340 |
To provide a pressure machine having a vibration suppressing device capable of securely lowering pressure pulsation and the resulting noise by a device of small and simple structure and also lowering pressure pulsation and noise without ...
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JP3793022 |
To enhance supply efficiency of pressure oil by improving seal performance without increasing sliding resistance. In this plane contact type valve mechanism having a stationary valve member 109 having a stationary oil passage 132 connect...
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JP2006077979 |
To provide an improved new closed cavity piston by applying the most advanced technology.This closed cavity piston made from a metal injection molding process, has an elongated cylindrical body with a first end that is adapted to receive...
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JP3778715 |
To conform the working point to the working point of the concentrated overload of a piston by providing a pair of hydrostatic bearings for floating and supporting a swash plate with a spindle in between, and a pair of ports for carrying ...
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JP3778370 |
PURPOSE: To provide a combined structured body of two pressurized fluid motors fed the hydraulic pressure in parallel. CONSTITUTION: This device provided with casings 4A4B, 38A38B of respective motors 1, 2, cylinder blocks 13, 45 rotatab...
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JP3776585 |
To ameliorate the durability of an axial piston pump or motor by preventing its piston-energizing spring from buckling and such buckling from in turn causing abrasion. A piston-energizing spring 5 is arranged between a fitting recession ...
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JP3774139 |
To provide a simple operated hydraulic device. This hydraulic device is provided with connection ports 13 to 16 respectively connected to pilot ports of a first and second hydraulic motors 2, 3, four systems in total. The device is provi...
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JP2006009721 |
To reduce size and weight of a hydraulic motor, by fitting and inserting an end part of a reducer main body into an end part of a case of the hydraulic motor.The hydraulic motor 40 has the case 41 and a plate 42. A plate 42 is fitted and...
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JP2006002768 |
To provide a hydraulic motor furnished with a means to hold each propelling member mechanically at a bearing/contacting surface where a hydraulic seal to hinder a propulsive fluid from penetration must be secured.The hydraulic motor is e...
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JP2005351112 |
To provide a scroll compressor for securing an excellent lubricating state with a simple constitution.This scroll compressor has a through-hole 90 in a fixed scroll 32 for supplying lubricating oil of an oil chamber 68 to a driving chamb...
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JP2005344679 |
To provide a screw type machine usable as a forwardly and reversely rotatable motor since a large axial force does not act on a main rotor even when a high-pressure fluid flows thereto so that the main rotor can rotate forward and revers...
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JP2005337107 |
To provide a swash-plate type liquid pressure rotation machine in which wear of a pin hole formed in the swash plate can be restrained without incurring upsizing.A hydraulic motor as the swash-type liquid pressure rotating machine includ...
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JP2005337142 |
To provide a compressor provided with an oil separator capable of increasing separating capacity of the oil separator.A scroll type compressor is built in a refrigerating circuit of a vehicular air conditioning system and includes the oi...
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JP2005330858 |
To provide a gear pump or a motor capable of preventing deterioration of delivery flow performance in operation conditions wherein temperature and pressure of hydraulic fluid are high.A gasket 5 partitioning a high pressure side and a lo...
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JP2005325955 |
To provide a hydraulic rotating device, obtaining large turning torque even if the axial dimensions are small, and stably holding an angle even if a member to be rotated is turned to a predetermined angle and suspended.In this hydraulic ...
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JP2005320885 |
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...
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JP2005315082 |
To provide a rotary fluid engine having a piston cylinder type rotor forming two or more partition chambers in the inside of a cylindrical housing.A circular rotor 12 is off-centered and journalled in the inside of the cylindrical housin...
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JP2005307821 |
To suppress deformation of a seal member when assembling it.In this vane type hydraulic motor 1A for generating driving force by relative rotation of a plurality of vanes 4A, 5A, 6A, 7A provided as partitions through the seal members 8a,...
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JP2005307822 |
To miniaturize a belt type continuously variable transmission.At least one vane 4A, 5A on one side provided integrally for a motor casing 2A and at least one vane 6A, 7A on the other side capable of rotating relatively for the vane 4A, 5...
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JP2005307964 |
To provide a fluid machine improving expanding performance by improving a sealing property of a scroll outer peripheral portion, and suppressing increase in size and weight of the whole of a pump.A fixed side chip seal (a sealing member)...
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JP2005307848 |
To efficiently convert fluid energy to electric energy and obtain intended generation voltage even when a flow rate of running water flowing out from a faucet is small.A rotor unit installed such that outer peripheries of two elliptical ...
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JP2005307770 |
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 ...
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JP3734639 |
To reduce the number of parts to simplify the constitution to prevent the device from being projected and damaged. In this device, an annular recessed groove 25 is formed around the circumference of the large diameter end part of a contr...
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JP2005299653 |
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...
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JP2005299496 |
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...
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JP2005291038 |
To provide a selector valve structure for a fluid machine capable of providing sure sealability in a valve having a spool as a component member.This selector valve structure for the fluid machine is provided to a fluid machine 10 provide...
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JP2005291151 |
To provide a scroll fluid machine made in a simple construction for reducing a sliding resistance of a moving scroll and for improving durability.A compressor as the scroll fluid machine comprise a thrust bearing interposed between a sup...
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JP2005291209 |
To provide a coupling structure of an eccentric bush 90 of a scroll compressor, capable of preventing damage to the eccentric bush 90 and a rotational shaft 70 by dispersing the power applied to the rotational shaft 70 and the eccentric ...
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JP2005291207 |
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...
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JP2005291037 |
To provide a scroll type fluid machine compatibly provided with a compression mode and a expansion mode capable of establishing sealability suppressing leak from a high pressure side and smoothness of switching scroll operation chamber f...
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JP3730839 |
To provide a hydraulic assembly with a brake device, which is formed in a compact manner and decreased in a cost. The hydraulic motor assembly (10) comprises a housing (14) having two ports capable of being selectively coupled to the hig...
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JP3727135 |
To rotate a hub at rotating speed of a wide range while being small and inexpensive by selectively meshing a first driving gear and a first driven gear or a second driving gear and a second driven gear with each other by integrally movin...
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JP2005273488 |
To eliminate the need for drain piping work or the like, and prevent degradation in function.Drain passages 15, 17 for introducing the drain of a hydraulic motor are formed at a star hydraulic motor, which is a hydraulic device for a shi...
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JP3723985 |
PURPOSE: To provide an energy-saving circulation pump which uses as its power source a heat medium that is forcibly circulated through each house as in the house central hot-water feeding, heating method of a multiple dwelling house, etc...
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JP2005264925 |
To provide a rotary compressor which can vary its capacity by constructing the compressor so that compression is carried out selectively in either of two compression chambers provided with different internal volumes by an eccentric devic...
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JP3719792 |
To prevent any seizure by forming at least one independent groove extending in nearly parallel with the groove extending from the ends of suction/ delivery ports on the slide surface slide-contacted to a cylinder block bottom surface of ...
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JP3721296 |
To provide a tilt control device capable of damping the revolution speed n of a motor or the vibration of external force F in a short time as far as possible as shown in Figure 7 even if the external force vibrates. A variable tilt mecha...
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JP3718080 |
To restrain wears generated on the rotary brake plate of a brake device to be fully sufficiently small. For example, nine arc shape grooves 17 are formed on the outer periphery side of a cylinder block 15 constituting a hydraulic motor 1...
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JP3715117 |
To greatly improve maintenance and inspection work for a lubricating oil in a reducing gear mounted on a motor by integrally forming the cylindrical portion of an oil gage with a housing for hydraulic motor and arranging it near a rotary...
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JP2005220789 |
To provide a swash plate type fluid compressor for suppressing the leakage of operating fluid from between a cylinder block and a valve plate particularly when a mouth is open on a high pressure side.The swash plate type fluid compressor...
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JP2005220787 |
To provide an axial piston pump or motor superior in reliability and durability and capable of compact design, with pistons or a cylinder block smoothly operable under an operated condition with low viscosity fluid such as water as opera...
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JP2005220872 |
To provide a gear pump or motor which solves the problem that the use of a gear with a helical tooth form prevents vibration or noise from being generated but makes the generation of thrust force require to hold the gear firmly, particul...
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JP2005220790 |
To provide a swash plate type fluid machine for preventing the progress of local wear between a valve plate and a cylinder barrel due to "an end tooth bearing phenomenon of the cylinder barrel on the valve plate" which inevitably occurs ...
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