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Patent Searching and Data


Matches 701 - 750 out of 2,017

Document Document Title
JP2002349263A
To install an apparatus in a narrow installing space in a car body without taking the space area when switching the rotational direction of a cooling fan by a directional control valve, and to minimize a device cost by reducing the numbe...  
JP2002340181A
To sharply reduce cost by dispensing with a charge pump in an HST(hydrostatic transmission).This hydrostatic transmission has a pump 11, a motor 12, closed circuits 14a and 14b for communicating these, a tank 50 for pressurizing a storag...  
JP2002310061A
To provide a distributing valve of a swash plate type hydraulic actuation apparatus, capable of reducing the size of a cylinder block, decreasing machining man-hour and decreasing the number of part items.The distributing valve is adapte...  
JP2002283858A
To solve the problem that a conventional HST mounting structure, which a HST pump and a HST motor are furnished in a transmission case and connected with by setting up a filter outside of the case through piping, increases cost and cause...  
JP3330735B2  
JP2002256804A
To minimize the effect of mixture of oil and a working medium in a casing of a rotary fluid machine.Inside casings 12, 15, 18 of an expander for converting thermal energy and pressure energy of a working medium into mechanical energy is ...  
JP2002243037A
To prevent efficiency reduction and seizure on the HST 24 side when using lubricating oil used for an engine and a hydraulic fluid of an HST 24 in common for a power unit U having integrally an engine 13 and the HST 24.By constituting so...  
JP2002242824A
To provide a hydrostatic transmission 24 (HST) suitable for a vehicle by solving an inconvenience accompanying with a high speed rotation of a swash plate type hydraulic piston pump 30.A cylinder barrel 56 is integrally molded to a pump ...  
JP2002227998A
To secure a high cooling effect of a working fluid and effectively increase a damage of component parts of a pump and a motor due to a heating of a leakage oil inside a pump case and a motor case.For a hydraulic driving system of a runni...  
JP3312175B2
To provide a hydraulic transmission stored in an integrated housing. This hydraulic transmission is made up of an integrated cast housing which has an outside shell having an internal compartment and provided with side walls facing each ...  
JP2002211873A
To solve the problems that at the operation start of a lifting magnet, a peak current flows transiently not to keep the rotating speed of a generator driven by a hydraulic motor, and that the input torque to a hydraulic pump for a work m...  
JP2002213608A
To cause neutral return moderately with providing resistance, when operating force of a movable swash plate is cancelled and prevent entraining cavitation into hydraulic circuits between a pump and a motor in a hydrostatic transmission f...  
JP2002206622A
To facilitate the assembly of a housing 20 with a center section 5 in a hydraulic continuously variable transmission 1 comprising an output shaft 32 pivotally supported on bearing hole parts 20b and 5b formed in the housing 20 and the ce...  
JP2002523012A
To control transmission ratio of a continuously variable hydrostatic transmission including an input shaft, an output shaft, a hydraulic pump unit driven by the input shaft, a grounded hydraulic motor unit, and a wedge-shaped swashplate ...  
JP2002205561A
To provide a HST capable of effectively suppressing distance fluctuation between a PTO shaft tip part and a drive axle, even if a separated distance from the drive axle to the HST is different.This transmission is provided with a HST hou...  
JP3303114B2
PURPOSE: To provide a valve which is formed compact and comparatively inexpensive and has acceleration valve capability and reduction of and protection from excess pressure. CONSTITUTION: A pilot valve 95 is mounted adjacent to each acce...  
JP2002181190A
To provide a pressure oil supplying device capable of obtaining the high output necessary for various working mechanisms of a working vehicle and easily coping with the change of the output of an oil-hydraulic pump.This pressure oil supp...  
JP3294265B2
A continuously variable transmission includes a pump (258) driven by an input shaft (256) against a wedge-shaped swashplate (260). Hydraulic fluid pressurized in the pump flows through ports (402) in a pump cylinder block (422) into kidn...  
JP2002516966A
A power dividing device for a vehicle transmission to provide two rotating outputs having variable relative speed of rotation from a single rotatable input. The device includes a first rotational element and a second rotational element h...  
JP2002145107A
To improve traveling stability and operability.In a traveling system comprising a main hydraulic transmission 2 for traveling, left and right side clutches 15, 15', a differential mechanism 22, and a hydraulic transmission 29 for turning...  
JP2002106674A
To provide a simple structure for feeding a hydraulic fluid by branching one charge port into charge circuits of two HSTs without increasing the thickness of an oil path plate in a two-pump two-motor integrated hydraulic continuously var...  
JP2002089710A
To eliminate the cause of a lowering of power transmission efficiency due to continuous leakage of a hydraulic fluid by constituting so as to hold a neutal state by forming an orifice hole for communicating a main circuit with a charge c...  
JP2002089655A
To provide a hydraulic continuously variable transmission device capable of generating a wide range of continuously variable change as well in the speed increase as decrease and thereby establishing a high total efficiency.A first hydrau...  
JP2002054713A
To simplify a support structure of a distribution valve and reduce the weight of the structure in a hydrostatic continuously variable transmission.A U-shaped clip 152 is inserted in a groove 61d provided in the head of the distributing v...  
JP2002054712A
To improve assembling efficiency of a pump swash plate in a swash plate type hydraulic pump in a hydrostatic continuously variable transmission.In this hydrostatic continuously variable transmission, a hydraulic closed circuit formed by ...  
JP2002048215A
To reduce oil leakage and increase efficiency at hydrostatic variable transmission in combination with a swash plate hydraulic pump and a swash hydraulic motor.The hydrostatic variable transmission integrally connected is characterized b...  
JP2002030901A
To continuously carry out combustion and exhaust of a power engine, to reduce vibration and noise comparatively small, to improve heat efficiency and to reduce generation of a harmful matter.A compressor 1 and an expander 2 are connected...  
JP2002031209A
To provide a hydraulic device capable of easily assembling a second thrust/radial bearing and a first thrust/radial bearing by pressing the second thrust/radial bearing against the first thrust/radial bearing side.When a holder 14 is fas...  
JP2002031037A
To provide a variable displacement axial piston hydraulic machine to be assembled inside of a housing, capable of facilitating the operation check in shipping to ensure the assembling and disassembling, and the quality.This variable disp...  
JP2002013635A
To provide a hydraulic power transmission capable of preventing the movement of a vehicle in stopping a motor.In this hydraulic power transmission, having a closed circuit formed by communicating ports of a variable displacement pump 10 ...  
JP2002013611A
To solve the problem conventionally that hydraulic continuously variable transmission, in which lubricating oil in a housing is only guided to slide surfaces between a swash plate and a swash plate bearing through an oil passage formed i...  
JP2002005261A
To provide a hydraulic power transmission for a vessel capable of securing a good vessel operating condition and navigating force at the time of navigation.A pump shaft 53 of a hydraulic pump 13 is connected to a flywheel 17 and a cylind...  
JP2002005273A
To provide a lubricating system for the swash-plate bearing of the HST-type transmission, which can lubricate efficiently the space between the cradle-type, movable swash-plate and the bearing face of the swash-plate, and has a simple lu...  
JP2002500733A
In a continuously variable hydrostatic transmission including a hydraulic pump unit driven by an input shaft, a grounded hydraulic motor unit, and an intermediate, wedge-shaped swashplate for developing torque on an output shaft in respo...  
JP2001527628A
An infinitely variable hydrostatic transmission includes an input shaft connected to drive a hydraulic pump unit, a grounded hydraulic motor unit, and an output shaft. A swashplate assembly is connected to impart output torque to the out...  
JP2001526760A
An axle driving apparatus for a vehicle, including a housing (1,2) containing a pair of coaxial axles (7), a differential gear unit (23) disposed in the housing (1,2) and interposed between the axles (7) so as to differentially connect t...  
JP2001343060A
To save the time and labor required for repositioning of a crankcase with respect to a jig during post-casting machining of the crankcase in a power plant for a vehicle equipped with a swash plate type hydrostatic continuously variable t...  
JP3236940B2
PCT No. PCT/EP94/02504 Sec. 371 Date Mar. 1, 1996 Sec. 102(e) Date Mar. 1, 1996 PCT Filed Jul. 28, 1994 PCT Pub. No. WO95/06830 PCT Pub. Date Mar. 9, 1995The invention relates to a hydrostatic transmission having a hydraulic pump (1) and...  
JP2001270340A
To easily carry out the assembling and disassembling work for a hydraulic continuously variable transmission device assembled inside a housing in order to be used. The process for assembling the hydraulic continuously variable transmissi...  
JP2001255951A
To stop a traveling vehicle by operating a brake at work traveling, and to easily reproduce the position of a speed change lever at re-start of the work traveling.In a traveling vehicle, which can be rotated by adjusting the outputs of a...  
JP2001248728A
To provide an axle driving device with a HST and axles connected in association therewith in a housing, offering simple construction for allowing automatic shift to the side of a small deceleration ratio with the decreasing load of an en...  
JP3205597B2
PURPOSE: To facilitate the dimensional control and enhance the assembling properties of a hydrostatic continuously variable transmission in which a cylinder block is formed from ferrous metal with at least one annular oil passage formed ...  
JP3201659B2
PURPOSE: To carry out a stepless transmission with a simple structure by directly connecting a gear shaft of a gear pump to a rotary shaft of a transmission, winding a belt around a pulley on an outer periphery of a pump housing and a pu...  
JP2001227455A
To eliminate inconvenience according to a rapid change of a pump discharge amount by making the speed for returning an actuator piston for operating a discharge flow rate variable means for a pump device to a neutral position gentle up t...  
JP2001221316A
To provide a hydraulic drive whose field area is reduced and structure is simplified by positioning the hydraulic motor closely to a directional control valve and integrating the directional control valve and an unloading valve.A suction...  
JP2001221317A
To provide a hydraulic continuously variable transmission which solves the problem that conventionally, a notch is arranged at the port end of a valve plate so as to reduce noise, if press molding is adopted to lower the cost, a notch gr...  
JP2001214960A
To provide a isobaric closed circulation engine and to develop a power saving field engine directly generating a rotation output to an output shaft.This power saving fluid engine is so formed that a rotor of a rotation type vane cylinder...  
JP2001173751A
To solve such problems that oil seal using heat insulating raw material is expensive, the oil seal is easily broken at the time of set-up since it is soft, reliability is reduced, in a conventional hydraulic continuously variable transmi...  
JP2001165275A
To improve the compactness and weight reduction of a transmission by disposing right and left continuously variable hydrostatic transmission (hereinafter, referred to as 'HST') having both a pump and a motor of variable displacement type...  
JP2001165276A
To solve problems that the sliding resistance of a plunger shoe is increased, the starting torque is increased, the noise is generated, and parts are broken by the excessive stress when a hydraulic motor is started or operated at a very ...  

Matches 701 - 750 out of 2,017