Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 701 - 750 out of 2,001

Document Document Title
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
(57) It is related with the fluid transmission which can transmit the power from a summary power plant to load with a continuous (it is infinite) variable proportion. The fluid pump unit (18) driven by an input shaft (14), The fixed flui...  
JP2001527628A
(57) Infinity variable liquid pressure transmission including the input axis (12) connected so that a summary liquid pressure pump unit (24) might be driven, and the fixed liquid pressure motor unit (26) and an output axis (14). The ス...  
JP2001526760A
(57) The inner side portion of a summary axle (7), and hydrostatic transmission (HST), From the output axis (4) of HST, in a housing (1, 2), are the transfer mechanism in which power is transmitted to an axle the axle drive stored compac...  
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  
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 ...  
JP3177280B2
PURPOSE: To enlarge the range of the variable speed more than double compared to the conventional one and use a pump and a motor of one rank lower than the ordinary one by not only changing discharge capacitor of a hydraulic pump as conv...  
JP3171929B2
PURPOSE: To reduce the extent of working manhours by sintering snf forming plural pieces of split materials in the axial direction of a block, melting a brazing material in a state of being positioned with one another, and brazing them a...  
JP2001146951A
To provide a dual type pump unit capable of effectively suppressing the rise of temperature of a hydraulic oil refilled to a pair of oil pressure lines leading between a hydraulic motor and a hydraulic pump. The dual type pump unit is eq...  
JP2001141024A
To increase durability to support a load imposed on a ball screw in the direction of thrust in a swash plate drive device for a swash plate type hydrostatic continuously variable transmission. This device, comprising a link arm provided ...  
JP2001132816A
To provide HST which can restrain the enlargement of a car body frame responding to the enlargement of a hydraulic pump and a hydraulic motor and the transmission structure of a vehicle provided with HST, in HST in which a housing consti...  
JP2001132838A
To lubricate rotary elements of a hydraulic pressure transmitting module in a simple structure. This loop flushing circuit includes a three-position/three-port pilot pressure actuating loop flushing valve 40 having an output port 46 for ...  
JP2001116104A
To provide a tandem pump unit having first and second cooperating hydraulic pumps connected to a drive source, and permitting simplification of piping work between a hydraulic motor and each hydraulic pump. The first and second hydraulic...  
JP2001116105A
To provide a tandem pump unit allowing the improvement of the efficiency for the work of mounting it in a vehicle. First and second hydraulic pimp 10a, 10b have respective first and second pump shafts 11a, 11b arranged in parallel relati...  
JP2001116107A
To simplify an oil replenishing line in a tandem pump unit having first and second hydraulic pumps which cooperate with first and second hydraulic motors connected to a driving wheel. The tandem pump unit having the first and second hydr...  
JP2001116108A
To simplify a line structure for replenishing pairs of first and second hydraulic lines with hydraulic fluid, in a tandem pump unit having first and second hydraulic pumps connected by the pairs of first and second hydraulic lines to fir...  
JP2001116106A
To provide a tandem pump unit allowing simplification of the operation of mounting it in a vehicle and a reduction in cost through a reduction in number of part items. The tandem pump unit includes a common housing 20 accommodating first...  
JP2001099265A
To prevent the occurrence of defective operation due to adhesion of a foreign matter, such as mad and refuse, to the constituting members of the mechanisms of this device and the occurrence of disorder to regulation due to an impact from...  
JP2001069729A
To reduce the cogging torque of the rotor of a DC brushless motor and, at the same time, the number of the parts used in the rotor by forming permanent magnets in such a way that two poles of an N pole and an S pole are magnetized in the...  
JP2001059561A
To reduce rotational loss of a rotary body while surely lubricating slide parts in a fluid machine such as a hydraulic pump, a hydraulic motor, a hydrostatic transmission or the like. In a hydrostatic transmission in which a hydraulic pu...  
JP2001059562A
To reduce power loss by appropriately adjusting the temperature of lubrication oil present in a closed container in a fluid machine such as a hydraulic pump, a hydraulic motor, a hydrostatic transmission or the like. In a hydrostatic tra...  
JP2001056046A
To obtain enough cooling effect by providing a circulating system in which lubricating oil in a transmission case is let flow from one of HST transmission gears for running speed change and steering operation through the other thereof in...  
JP3138791B2
PURPOSE: To secure a sufficient passage area in a middle speed change stage for restricting loss of transmission efficiency, secure continuity of speed change ratio close to a top condition, and improve concentric position precision of a...  
JP3135749B2  

Matches 701 - 750 out of 2,001