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JP5472171B2 |
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JP2011174613A5 |
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JP2014043923A |
To provide a hydraulic continuously variable transmission capable of suppressing seizing of a spool valve and a sleeve and breaking of the spool valve.A hydraulic continuously variable transmission 10 includes a hydraulic continuously va...
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JP2014043924A |
To provide a hydraulic continuously variable transmission capable of suppressing occurrence of seizure, for example, between a plunger and a swash plate body slidably kept into contact with the plunger, due to poor lubrication.In a hydra...
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JP2014043925A |
To provide a hydraulic continuously variable transmission capable of cooling a cylinder block efficiently and suppressing the increase in an oil temperature in a hydraulic closed circuit.A hydraulic continuously variable transmission 10 ...
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JP5411775B2 |
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JP5403237B2 |
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JP2014009736A |
To provide a hydraulic infinite variable-speed drive capable of reducing operation noise.A hydraulic infinite variable-speed drive 1 is provided with gear changing means 1a which includes: a housing 4 for rotatably supporting an input sh...
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JP5383714B2 |
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JP2013545913A |
A housing in which this invention includes a pipe port, and the 1st axis of rotation (m)1And the 2nd axis of rotation (m)2It is related with a fluid device provided with a rotor (14) which has a rotor chamber (9) formed of a cylinder (11...
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JP2013257042A |
To provide a transmission device of a tractor with excellent transmission efficiency.A transmission device of a tractor includes an engine, a hydrostatic continuously variable transmission gear that inputs a driving force output by the e...
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JP2013245778A |
To provide a hydraulic continuously variable transmission which avoids upsizing of a device configuration, and which can contribute to a further improvement in fuel efficiency characteristics by suppressing an increase in the number of c...
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JP2013245779A |
To provide a small-sized and lightweight hydraulic continuously variable transmission which makes a manufacturing cost low while minimizing a power transmission loss.A hydraulic continuously variable transmission 10 includes an input sha...
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JP2013245799A |
To provide a hydraulic continuously variable transmission which enables operations of assembly to a housing to be easily performed with high positioning accuracy.A hydraulic continuously variable transmission 10 includes a cylinder block...
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JP2013231494A |
To provide a thrust bearing enabling reduction of wear of a bearing ring in the thrust bearing.A thrust bearing includes a first bearing ring 11 having a first raceway surface 11a, a second bearing ring 12 having a second raceway surface...
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JP5343037B2 |
An oil pressure pump (12) and an oil pressure motor taken as bevel board type hydraulic machinery comprise a drive shaft (16) which is in key embedded with an oil pressure cylinder body (68) by a convex spline (88). The drive shaft (16) ...
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JP5331250B2 |
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JP2013221588A |
To solve the problem that, when a hydraulic pressure is made excessive by high-load operation or the like, in a conventional hydrostatic stepless transmission, a gap between plunger blocks and a center case is forcibly opened and a hydra...
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JP2013221587A |
To solve the problem that, when a hydraulic pressure is made excessive by high-load operation or the like, in a conventional hydrostatic stepless transmission, a gap between plunger blocks and a center case is forcibly opened and a hydra...
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JP2013221458A |
To prevent increase in a load of a driving source which drives a pump, with excellent responsiveness, and to effectively decrease energy consumption, in an oil pressure rotary machine.A pump unit includes: a hydraulic pump 74 (82); a ser...
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JP5323181B2 |
A hydraulic module with two inclined-axis drive systems. The hydraulic module comprises a yoke (1) which, by virtue of a pin (5) that is in active connection with a piston (6), is pivoted about a horizontal pivot axis (4) so as to adjust...
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JP2013204653A |
To provide a hydraulic continuously variable transmission in which problems such as metal contact between a plunger and a cylinder block, wear, seizure, friction loss can be suppressed by smoothly operating the hydraulic continuously var...
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JP2013204601A |
To reduce a swash plate holder and a bearing in diameter and in size, in a hydraulic continuously variable transmission.A hydraulic continuously variable transmission includes: a plurality of hydraulic pump plungers 9 inserted to recipro...
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JP2013204599A |
To suppress temperature increase of a working fluid in a closed hydraulic circuit by efficiently cooling a cylinder block only by adding simple configuration, in a hydrostatic continuously variable transmission including a cylinder block...
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JP2013204536A |
To improve mountability of a fluid pressure drive unit.A hydraulic drive unit 100 supplies hydraulic oil to a hydraulic actuator, and drives it. The hydraulic drive unit 100 includes a hydraulic pump 10 that sucks the hydraulic oil and d...
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JP2013194749A |
To solve the problem that in a hydraulic continuously variable transmission configured by fluid-connecting a hydraulic pump and a hydraulic motor through a pair of main oil paths as a closed circuit, since a layout change corresponding t...
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JP5300159B2 |
A hydrostatic assembly includes a pump having a yoke and an associated rotating group. The pump yoke has a bucket portion and an arm portion. At least one fluid passage extends through the pump yoke. The hydrostatic assembly also include...
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JP2013533425A |
The present invention relates to an energy conversion unit constituted so that reciprocation power (Fl) might be changed into at least 1 side of axle rotational movement of at least one power transfer axle, and electric power. A unit con...
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JP5271044B2 |
To dispose an operation part of an opening and closing valve provided in a bypass path carrying out short-circuit connection of a primary side oil pathway and a secondary side oil pathway of a hydrostatic continuously variable transmissi...
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JP5244325B2 |
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JP5231628B2 |
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JP2013133930A |
To provide a plunger hydraulic type continuously variable transmission having a plunger for a hydraulic pump and a plunger for a hydraulic motor which are provided in one cylinder block, capable of reducing thrust force acting to a swash...
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JP2013527901A |
A liquid pressure gearing (20, 220, 320, 420, 520) concerning the present invention, A liquid pressure motor (26A, 26B) of at least 1 which it had a radial piston and was connected to two motor ducts (30, 32), A casing duct (40, 240) con...
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JP5211725B2 |
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JP2013064496A |
To provide a long-life thrust bearing for a hydraulic continuously variable transmission, in which breakage of an inner ring is prevented.The thrust bearing is built into the hydraulic continuously variable transmission, and includes: th...
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JP2013064495A |
To provide a long-life thrust bearing in which a retainer is prevented from breaking.The thrust bearing includes: a first raceway ring which has a first raceway surface; a second raceway ring which has a second raceway surface; a plurali...
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JP2013508592A |
An object of the present invention is to provide a wind turbine generator and a tidal current generator equipped with a hydraulic transmission with a combination of a hydraulic pump and a hydraulic motor and which has a superior producti...
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JP5150885B2 |
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JP2013019414A |
To reduce high adjustment costs for adapting a hydraulic return signal in a conventional technique and to enhance dynamic properties of consuming machine motion as well as the dynamic performance of a drive system.The hydrostatic drive s...
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JP2013501901A |
Corresponding to a control signal, a renewal energy type power generator which can control [that it is highly precise and] oil pressure transmission is provided. Rotating shaft 18 which is a renewal energy type power generator and it dri...
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JP2013501890A |
A renewal energy type power generator which can obtain desired torque quickly according to change of renewal energy, and an operating method for the same are provided. Rotating shaft 8 which is a renewal energy type power generator which...
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JP2012231760A |
To provide a rice transplanter having a compact hydraulic system.The rice transplanter 1 includes a pump 63 for an actuator to be a hydraulic pump driven by the power of an engine 14, a transmission case 18 filled with a hydraulic fluid ...
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JP5064007B2 |
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JP2012197125A |
To maintain a supply state of pressure oil without requiring an operator to hold a rotation angle of operation levers in a state immediately before the transition of the supply state of the pressure oil from a first state that the pressu...
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JP2012197944A |
To provide a hydraulic drive system that reduces energy loss.The hydraulic drive system for an actuator uses a pair of pressure-compensated hydraulic devices to control flow to and from a drive chamber of the actuator by varying the cont...
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JP2012188945A |
To select tandem arrangement of connecting first and second hydraulic pumps in series and independent installation of independently installing the first and second hydraulic pumps, while setting hydraulic pressure of both charge oil pass...
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JP2012189149A |
To prevent cavitation or transmission efficiency degradation caused by failure in the recovery of hydraulic pressure in a closed circuit due to an excessive discharge of oil through a relief valve during working, in a hydraulic continuou...
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JP5036309B2 |
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JP2012180912A |
To separate the rotation input that contains a high frequency component and a low frequency component into the rotation output of the low frequency component only and the rotation output of the high frequency component only by using a si...
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JP2012177401A |
To provide a transmission of a working vehicle in which a machine weight is relatively lightweight by minimizing the number of parts of a transmission mechanism to the utmost, while using an electric motor 9 as a drive source.In the tran...
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