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Patent Searching and Data


Matches 601 - 650 out of 2,017

Document Document Title
JP2005170254A
To provide a steering vehicle wheel driving unit having an excellent maintenance property while improving a steering property of a steering wheel, and a four-wheel drive vehicle equipped with it.This steering vehicle wheel driving unit 1...  
JP2005155859A
To provide a clutch device of a compact constitution capable of mechanically controlling the operation of a clutch valve.In a hydrostatic continuously variable transmission CVT wherein a hydraulic pump P and a hydraulic motor M are conne...  
JP2005155686A
To provide an axle driving device having such configuration that a pair of left and right hydraulic motors are provided in an axle case, left and right axles are independently driven by each hydraulic motor, and a differential lock mecha...  
JP2005127417A
To improve durability of a liquid-tightness holding part by supplying to the liquid-tightness holding part a lubricant different from a hydraulic fluid for driving an hydraulic driving device.In the hydraulic driving device, seal parts 9...  
JP2005082128A
To provide an HST mounting structure for a working vehicle which can house HST in the interior of transmission cases (4, 5), can minimize the length of the transmission cases, can render the whole vehicle compact, and, by virtue of bridg...  
JP2005083497A
To solve problems wherein the number of parts affecting precision of reciprocating movement of a spool valve is large, it is difficult to keep precision, and manufacturing cost is increased in a conventional hydraulic device provided wit...  
JP2005083498A
To provide a configuration capable of reducing driving force for turning a swash plate and allowing deviation of center of turn of the swash plate from center of turn of a link arm when adopting a mechanism turning the swash plate throug...  
JP3630802B2
To make the size in an axial direction small by disposing at least one end of a bearing inside the inner surface (rotor side surface) of an annular plate part of a side plate. A rotor 12 rotating slidingly on the inner surface of a cylin...  
JP3626236B2  
JP3623101B2  
JP2005042927A
To solve a problem in a method using a plurality of simple HSTs in a case when the plurality of HSTs are used for a plurality of purposes, wherein input mechanisms from an engine, charge pumps, port blocks for piping, and the like are re...  
JP3617856B2  
JP2005022566A
To provide a wheel driving part structure having high design flexibility for a vehicle and requiring low manufacturing cost.A housing 12 which is provided under a vehicle body and storing a front driving shaft system 11 is constituted in...  
JP3613365B2
To perform reliable traveling shift operation and steering turn operation, to improve reliability during the stop of a traveling device and bringing it into neutral and during straight advance wherein no turn steering operation is effect...  
JP2005016724A
To minimize a width dimension of a bending axis hydrostatic module with multiple yoke where fluid passages are accumulated.This bending axis hydrostatic module includes a frame, and a pair of shafts rotatably supported by the frame, dire...  
JP3603365B2  
JP3599136B2
To automatically operate a clutch valve using oil pressure of a low pressure oil passage in a hydrostatic pressure type continuously variable transmission of such constitution that a hydraulic pump and a hydraulic motor are connected thr...  
JP2004340190A
To provide the driving apparatus of a vehicle which driving apparatus can simplify a mechanism and can increase a torque.The driving apparatus 1 comprises trochoid motors 50FL to 50RR mounted on the inside of wheels 80FL to 80RR, a hydra...  
JPWO2004104448A
It is the hydrostatic type stepless speed variator (1) which combines the hydraulic pump (30) and hydraulic system motor (40) of a アキシャル piston type, and is with the pump side plunger block (31), The motor side plunger block (4...  
JP3596992B2  
JP3596993B2  
JP3596692B2  
JP2004324765A
To compactly compose a transmission by reducing the arrangement space of an oil passage plate and an HST transmission, and to compactly arrange the transmission between an engine and a lawn mower in the configuration of the transmission ...  
JP2004316869A
To provide a power unit with an oil level gage inside in the cross direction, having small and compact construction with its size restricted in the cross direction.The power unit PU comprises a hydraulic continuously variable transmissio...  
JP2004301283A
To provide a hydraulic continuously variable transmission having such configuration that provides a distinguishing symbol display part at a position visible from the outside.This hydraulic continuously variable transmission CVT is consti...  
JP2004301285A
To simplify a configuration of a swash plate as much as possible and enlarge a scope of swash plate angle.This hydraulic continuously variable transmission CVT is constituted by a swash plate plunger pump P, a swash plate plunger motor M...  
JP2004301287A
To prevent air from remaining in a pump plunger hole.This hydraulic continuously variable transmission is composed of an axial plunger pump P composed of a pump cylinder 22 having a pump plunger hole 22a and a pump plunger 23 fitted into...  
JP2004301286A
To provide a swash plate inclination angle detection device having high degree of freedom of a mounting position and allowing deviation of a central position.A swash plate plunger type hydraulic motor M is constituted by fitting and arra...  
JP2004301067A
To adjust a balance of a rotated casing having a swash plate member without using any counter weight.The pump swash plate member 21 is arranged in the rotatably supported pump casing 20 in a slant state and a pump cylinder 22 in which a ...  
JP2004301282A
To compact a hydraulic continuously variable transmission by reducing amount of protrusion in the radial direction of a swash plate servo device.A swash plate plunger pump P has a pump casing 20 having an input driven gear 5, a pump cyli...  
JP2004301281A
To effectively utilize an end part of a male screw formed on a screw shaft in a ball screw mechanism for controlling swing of a swash plate.A hydraulic motor M is constituted by a motor cylinder 32 having a motor plunger hole 32a, a moto...  
JP2004278602A
To compose a pump and motor distribution valve to compose a hydraulic closing circuit for connecting a pump to a motor in simple structure of low manufacturing cost.This hydraulic type continuously variable transmission CVT is composed o...  
JP3568135B2
To facilitate a structure of an oil passage by providing a rotary pump on one or both outer peripheries of a cylinder block of a hydraulic pump, and constituting the rotary pump on a charge pump for supplying operating oil to a closed ci...  
JP2004257447A
To provide a working vehicle running speed change control device capable of performing running speed change control against load fluctuation with a relatively inexpensive structure without using any electric control system.The working ve...  
JP2004255919A
To prevent an engine from being in a lack of output even when a large driving load is applied at the time of starting or low-speed running in spite of having a continuously variable transmission capable of shifting running speed in conne...  
JP3566728B2
To control the transmission ratio of a continuously variable hydrostatic transmission including an input shaft, an output shaft, an pump unit driven by the input shaft, a grounded motor unit, and an a wedge-shaped swashplate drivingly an...  
JP3566729B2
A continuously variable hydrostatic transmission includes an input shaft connected to drive a hydraulic pump unit, a grounded hydraulic motor unit, and an output shaft. A wedge-shaped swashplate is pivotally mounted to the output shaft i...  
JP2004251400A
To extend responsiveness to work by making it possible to separately dispose a hydraulic pump 29 and a motor 30 at desired positions in a machine body of a work machine or the like using conventional ones for the hydraulic pump 29 and th...  
JP2004251399A
To improve work efficiency by making it possible to dispose a hydraulic pump and motors 29 and 30 separately at desired positions in a machine body of a work machine or the like using conventional ones for the hydraulic pump 29 and the m...  
JP3561340B2  
JP3561348B2  
JP2004232727A
To provide a structure of a moderating mechanism for moderating sudden output change during shifting in a hydraulic continuously variable transmission, operating to moderate output change against sudden operation of a transmission operat...  
JP2004231050A
To improve efficiency for assembly work of a frame structure body of a vehicle consisting of the clutch housing, a middle housing and a transmission case connected along the longitudinal direction of the vehicle.A flywheel housing is con...  
JP2004218830A
To provide a hydraulic drive device in such constitution that the rotary output shaft of an electric motor is coupled directly to a hydraulic pump or a hydraulic motor to drive the hydraulic pump or the hydraulic motor, and forms a drive...  
JP2004197904A
To solve a problem in a conventional continuously variable hydraulic transmission that as a port block is accommodated inside of a transmission case, it can not be used as a strengthening member of the transmission case, and further each...  
JP2004169929A
To reduce size and cost in a hydraulic continuously variable transmission in which two hydraulic motors are installed on an axial hydraulic pump so that hydraulic oil is circulated in a closed hydraulic circuit.The variable displacement ...  
JP2004150632A
To provide a multispeed fluid pressure operating device for avoiding cavitation and noises during a shift, and a shifting operation control method for the same.A gerotor motor 10 has motor valve means 19, 43 for distributing fluid betwee...  
JP3526674B2
To provide a static hydraulic type continuously variable transmission whose cylinder block is equipped with a annular high pressure oil path and a plurality of valve holes stretching radially as intersecting the oil path, which are produ...  
JP2004512454A
A wobble plate engine (20) includes a wobble plate assembly (26) having a wobble plate (58) that rolls against truncated cone portions (42) of a housing (22) and has an inner extremity (60) rotatably supported by an axially inclined annu...  
JP2004116578A
To provide a lawnmower in which outputs of a pair of left and right hydrostatic continuously variable transmissions are reduced to be transmitted to a pair of left and right travelling devices respectively through a pari of left and righ...  

Matches 601 - 650 out of 2,017