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JP5993138B2 |
The present invention comprises a pair of gears 20 whose tooth portions mesh with each other, a housing having a hydraulic chamber in which the pair of gears 20 are contained in a meshing state, and bushes contained in the hydraulic cham...
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JP5990341B2 |
It is intended to provide a vehicle comprising a fluid working machine which can reduce wear of parts and be produced at low cost. The fluid working machine 11, 12 is provided with an eccentric cam 17, a piston 18A to 18F, a cylinder 19A...
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JP2016164388A |
To provide a hydraulic motor for a turning motor that suppresses abnormal rise of drain pressure by providing a check valve mechanism at a portion communicating from a hydraulic port to the inside of a housing and speed reducer through a...
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JP2016164423A |
To provide a hydraulic drive reduction gear device with a structure having no risk of breakage of a reduction gear, which is caused by loosening of bolt fastening due to corotation of a washer even when a planetary gear is subjected to a...
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JP5983433B2 |
[Object] To provide a working vehicle comprising a hydraulic transmission (H), in which the hydraulic oil squirted from a groove (84) in the valve plate, (86), toward inside of a port in the valve plate (86), does not erode the port in t...
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JP5981877B2 |
A piston 61 is included in a liquid-pressure rotating device 72 in which a plurality of pistons 61 including the piston 61 are arranged at a cylinder block 9 in a circumferential direction of the cylinder block 9, the cylinder block 9 be...
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JP2016138525A |
To suppress a machining cost for positioning a swash plate on a case.A hydraulic pump/motor 1 includes a second bearing 15 fixed to a case 10, a rotating shaft 20 rotatably held on the second bearing 15, a cylinder block 30 held on the r...
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JP2016138527A |
To provide a hydraulic pump/motor capable of supplying lubricating oil to a bearing without the need for increasing the thickness of a wall part of a case.A hydraulic pump/motor 1 includes a second bearing 15 fixed to a case 10, a rotati...
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JP5953568B2 |
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JP5948081B2 |
A hydraulic motor includes a motor mechanism that rotates by hydraulic liquid pressure led from a hydraulic liquid pressure source. The hydraulic motor includes a casing that defines a casing chamber which accommodates the motor mechanis...
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JP5947954B1 |
[Subject] A piston which can bear high pressure and can hold down a manufacturing cost is provided. [Means for Solution] In a piston, an oil passage which it is cylindrical, and a concave partial ball-like bulb and a cylindrical hollow p...
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JP5945895B2 |
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JP5937352B2 |
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JP5937351B2 |
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JP5934543B2 |
A fluid pressure drive unit is to supply a working fluid to and drive a fluid pressure actuator. The fluid pressure drive unit includes a fluid pressure pump for suctioning and discharging the working fluid, an electric motor arranged in...
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JP5920645B2 |
An axial piston pump with energy recovery comprising a rotor having a cylinder block provided with channels for pumped liquid which are connected to the piston cavity of the cylinders, and channels for a liquid which is used for energ...
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JP5918366B2 |
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JP5917536B2 |
A method for pressurizing a roll pocket of a displacement assembly of a fluid device includes providing a fluid device having a displacement assembly. The displacement assembly includes a ring defining a central bore and roll pockets dis...
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JP2016065522A |
To provide a high-reliability hydraulic converter which continuously converts hydraulic pressure.A hydraulic converter comprises: a cylinder barrel 11 which is arranged so as to be rotatable with respect to a shaft 2 which is decentered ...
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JP5912475B2 |
To provide a swash plate motor or a swash plate pump provided with a structure capable of stably holding a swash plate without mounting shoes at a swash plate side end of an tilt control piston.In the swash plate motor 1, a spherical fac...
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JP2016056736A |
To ensure that a lift of a swash plate can be reduced.Lubricating oil passages 17 through which pressure oil in cylinder holes 4a is introduced between pivot holes 7d and pivots 10 are provided in pistons 5, shoes 6, and a swash plate 7....
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JP5906025B2 |
To provide a variable displacement swash plate type hydraulic rotary machine in which a bearing member such as a bearing metal can be bonded stably to the tilting support surface of a swash plate support part to secure sufficient bonding...
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JP2016511356A |
A gearbox (1) with continuously variable parameters is equipped with at least one pump (2), at least one hydraulic motor (3), and at least one pump (2) or hydraulic motor is continuous. Has variable parameters. Includes two or more outpu...
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JP5903755B2 |
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JP2016044690A |
To improve maintenance work efficiency.A hydraulic motor control device 100 for controlling a piston motor in which a displacement volume is varied in accordance with a tilt angle of a swash plate includes a volume changeover valve 30 fo...
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JP2016044552A |
To improve maintenance work efficiency.A hydraulic motor control device 100 for controlling a piston motor 1 in which a displacement volume is varied in accordance with a tilt angle of a swash plate 2 includes a volume changeover valve 3...
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JP5893268B2 |
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JP5891064B2 |
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JP2016037946A |
To provide an axial piston device which effectively maintains an amount of an oil stored in a housing to a desired oil amount.An axial piston device includes: a housing capable of storing an oil; a first hydraulic pressure axial piston m...
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JP5886184B2 |
With M [g] denoting the sum mass of a piston (5) and a shoe, Mref [g] denoting the sum mass of the shoe and a virtually solid piston filled without gaps with a material constituting the outer peripheral surface of a mating part (106) in ...
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JP5885900B1 |
A pair of gears, a main body (3) having a hydraulic chamber in which the gears are housed, a pair of bearing members (40,45), a pair of side plates (30,35), side plates (30,35) and bearings. It is provided with a sealing member (50,55) t...
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JP5876663B2 |
To prevent a second swash plate from separating from a bearing metal of a bearing part in an opposed swash plate type piston pump motor.The opposed swash plate type piston pump motor includes: an oscillation link 48 which is swingably su...
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JP2016505769A |
The present invention provides a rotating device, a rotary compressor using the rotating device, and a fluid motor. The rotating device includes a cylinder body (110), a front end lid (120) and a rear end lid (130), a spindle (200), an e...
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JP5868041B2 |
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JP5863944B2 |
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JP5858131B1 |
To provide a hydraulic device which can be manufactured at low cost and can be easily assembled. A first annular groove (116) is provided on an outer peripheral surface of a reaction force receiving member (106). Further, a second annula...
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JP5852317B2 |
To prevent a second swash plate from separating from a bearing metal of a bearing part, in an opposed swash plate type piston pump-motor.This opposed swash plate type piston pump-motor includes a support mechanism 101 for restricting rad...
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JP2016017430A |
To improve durability of a hydraulic rotating machine.A hydraulic piston pump motor 100 using water as working fluid includes an axial passage 15 opened to an end surface of one end 1a of a shaft 1 connected with a cylinder block 2 and b...
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JP2016017429A |
To reduce the size of a hydraulic rotating machine, and to prevent backlash of a bearing.A hydraulic rotating machine 100 includes a plurality of pistons 6, a cylinder block 2 having a plurality of cylinders 2b for storing the pistons 6,...
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JP2016003566A |
To provide a radial piston hydraulic machine and a wind power generator capable of avoiding damage to a component for suppressing the axial displacement of each roller and a weight increase, and holding the roller in a central portion in...
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JP5832668B2 |
It is intended to provide a wind turbine generator comprising a fluid working machine which can reduce wear of parts and be produced at low cost. The fluid working machine 11, 12 is provided with an eccentric cam 17, a piston 18A to 18F,...
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JP2015222037A |
To provide a fluid machine capable of reducing the number of used control valves.A fluid machine includes: a first operation chamber 108a that is connected to a low-pressure manifold 110 and a high-pressure manifold 109, and whose volume...
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JP5829961B2 |
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JP5822512B2 |
A rotary fluid pressure device (20) includes a gerotor gear set (24) having a ring gear (28) and a star gear (30) orbitally moveable about a longitudinal axis (36) relative to the ring gear (28). The star gear (30) includes an annular sp...
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JP5818967B2 |
In a wind turbine generator or other power generating apparatus of a renewable energy type, a hydraulic pump is driven by a rotor through a drive shaft. The hydraulic pump has electronically controlled low pressure valves and primary hig...
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JP5805747B2 |
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JP2015178808A |
To improve the lubricity of a slide contact surface between a piston and a shoe and thereby improve the efficiency of a liquid pressure rotary machine.A liquid pressure rotary machine 100 includes: multiple pistons 6; a cylinder block 2 ...
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JP2015175254A |
To reduce disadvantages such as poor motion of equipment accompanied by reduction in performance due to re-wiping when a load overcoming an upper limit of a pump application range is applied to a high pressure port.This invention relates...
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JP2015160560A |
To provide a power transmission system which transmits power generated by a working fluid into effective energy.A power transmission system includes a transmission device 2 and a power source device for supplying power to the transmissio...
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JP2015151973A |
To provide a hydraulic electric mechanism and a hydraulic electric system capable of transmitting heat from a rotator of an electric rotary machine to a hydraulic rotary machine side.A hydraulic electric mechanism 18 is equipped with a h...
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