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Patent Searching and Data


Matches 601 - 650 out of 1,996

Document Document Title
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  
JP3566729B2  
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 fluid power transmission device (20) has the swash-plate assembly object (26) equipped with the swash plate (58) which 転動 where the 切頭 conical portion (42) of a housing (22) is hit, and it a swash plate, It has the inner side e...  
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...  
JP2004114920A
To provide a power transmission device of an engine for a vehicle capable of suppressing frequency of ratio change of a continuously variable transmission by supplying driving force when the engine rotates at low speed when engine genera...  
JP2004108552A
To solve a problem that miss assembly of one side surface and another side surface of a thrust plate can not be discriminated and efficiency drops with the lapse of time in a conventional HST.This transmission 10 is constructed in such a...  
JP2004108502A
To provide a lubricating device of power unit for a vehicle with an internal combustion engine in which weight distribution is laterally well-balanced for transmitting to a wheel the power of an internal combustion engine, whose crank sh...  
JP2004092694A
To solve the problem in a conventional two-pump, 2-motor type hydraulic continuously variable transmission hat a filter provided in the middle of a charging circuit to remove foreign matter or the like in a working fluid requires a large...  
JP2004508524A
Equipment with which rotation of a grounding wheel (3) rotates the drive (5) which the 2nd equipment needs through a circuit (15, 16) and the liquid pressure motor (4, 6) attached to a wheel (3) and the 2nd equipment (5), respectively au...  
JP3507142B2
PURPOSE: To form a device in a compact manner and to perform simple setting of the pressure of a relief valve from the outside by arranging a check valve and a relief valve in series to a valve case, in a closing circuit to interconnect ...  
JP2004068857A
To provide a differential device for a working vehicle embodied as a compact center differential device as an improvement of the conventional problem with a mower working vehicle whose driving force is enhanced by means of four-wheel dri...  
JP2004068758A
To provide a fluid machine working as a rotary means with simple configuration which is difficult to damage and is superior in utility.The machine accommodates a rotor in its entirety 11 of a main rotor 10, a protuberance 13 protruded fr...  
JP2004068974A
To solve a conventional problem that when a housing of a servo mechanism is formed separately from the housing of an HST main body for providing the servo mechanism to a two-pump two-motor type HST, or an actuator for operating swash pla...  
JP3501837B2
PURPOSE: To enhance the driving performance in a shift lock condition by providing stopper surfaces for locking auxiliary pistons at a position corresponding to a predetermined speed ratio, in a cylinder and by connecting oil chambers in...  
JP3497322B2
To provide a continuously variable transmission which has a small size in the axial direction and a compact form, and can control the speed change ratio from the infinity to a speed increasing condition continuously. To a common cylinder...  
JP2004028131A
To solve a conventional problem of incapability of inserting a check valve wholly through a main circuit when it is inserted in a perpendicular direction to the main circuit in the case two hydraulic continuously variable transmissions a...  
JP2004019836A
To provide a hydraulic continuously variable transmission capable of easily performing a pre-load to a thrust/radial bearings for supporting each of the swash plates of first and second hydraulic devices, and a power transmission apparat...  
JP2004019835A
To provide a hydraulic continuously variable transmission allowing the size in the radial direction thereof to be reduced by eliminating the need of bearings to be arranged on the outer periphery of a cylinder block, and a power transmis...  
JP2004011769A
To provide an HST capable of increasing the maximum torque while restricting modification to an existing hydraulic system to the minimum scale.A variable displacement type hydraulic pump P, and two hydraulic motors M1 and M2 actuated by ...  
JP2004009793A
To provide an axle drive capable of attaining size reduction and easy parts control by disposing a hydraulic continuous transmission mechanism in a housing, extending a hydraulic pump input shaft of the hydraulic continuous transmission ...  
JP3480994B2
PURPOSE: To reduce the burden of a brake and simplify decelerating and stop operation in a vehicle constituted in such a way that the power of an engine is speed-changed by a statically hydraulic transmission to drive a travel device. CO...  
JP2003329103A
To compose a third connection part so as to have sufficient strength against a work load imposed on the third connection part by increasing the shaft diameter of the third connection part in a pump shaft without causing such inconvenienc...  

Matches 601 - 650 out of 1,996