Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 651 - 700 out of 2,001

Document Document Title
JP2003306052A
To provide a pump unit having a simple structure for branching and outputting drive force from a drive source to a sub transmission path separately from a main transmission path to be formed along with an actuator that is connected in fl...  
JP2003291675A
To restrain a foaming phenomenon, perform sealing work of hydraulic oil at a high filling rate in a short time period, and restrain foaming of the hydraulic oil circulating inside a work.This hydraulic oil sealing system and method for h...  
JP3448337B2
PURPOSE: To improve the service life of a thrust bearing by reducing the reaction force of a plunger for a motor to be applied to a thrust bearing to support a rear cover, and reduce the cost by dispensing with a thrust bearing exclusive...  
JP3441093B2
PURPOSE: To reduce the torsional force acting on a shaft and achieve the compact formation by supporting a cylinder block which is formed by coaxially joining a pump cylinder and a motor cylinder in rotatable manner on a casing, and inst...  
JP3434432B2
To provide a reduction gear device to generate low speed and high torque rotation and reduce size and weight and be manufactured at a low cost. The output shaft 2 of a reduction gear consists of a plurality of rotary shafts 2a and 2b rot...  
JP2003194182A
To provide a hydraulic transmission capable of smoothly changing the number of operations of a motor mechanism while rotating an output shaft.The hydraulic transmission has a speed change valve 50 having a low speed position (a) at which...  
JP2003194183A
To provide a hydrostatic continuously variable transmission capable of being driven while effectively lubricating and cooling cylinder blocks and port members.The cylinder block 32 has an oil hole 51 provided in its side face in contact ...  
JP2003520930A
(57) At least one primary hydraulic pump (1) arranged so that supplying power may be received from a summary motor is included, The above-mentioned primary pump (1) is arranged so that power may be supplied to at least two secondary hydr...  
JP2003180114A
To solve the problems of a stepless hydraulic transmission having a hydraulic pump shaft for inputting use and a hydraulic motor shaft for outputting use placed one above the other comprising the lowering of the bottom position of a rear...  
JP3411591B2
PURPOSE: To prevent the increase of dimension by forming the third and second annular oil passages which communicate to the first annular oil passage between a cylinder block and constituting a clutch valve from a valve cylinder fitted w...  
JP2003156121A
To prevent a situation where an oil passage for feeding charge oil from a charge pump 10 into a hydraulic oil passage 142 of an HST type continuously variable transmission contacts another object and breaks or causes oil leakage by break...  
JP2003130175A
To remove an adverse effect in a vehicle maneuverability, which is caused by growing weight imbalance of vehicle for a conventional system, because of the position of the center of gravity for conventional vehicle being too far from that...  
JP2003113776A
To provide a variable displacement type axial piston unit capable of minimizing the wear caused by a mechanical friction.This unit comprises an extension part 92 branching in three ways, and a universal joint 90 furnished at the end of t...  
JP3396055B2
PURPOSE: To make the axial dimension compact, and prevent an engine from being stopped during gear shifting operations as well as to magnify short- circuiting capacity at a neutral position in the hydraulic continuously variable transmis...  
JP2003083447A
To perform slow-speed traveling control to a work vehicle in a state of large work ability wherein an engine speed is increased.The work vehicle has a charging pump 5, a working hydraulic pump 4 and a traveling hydraulic pump 3 driven by...  
JP2003074699A
To enhance the straight running characteristic of a vehicle by supplying the same quantity of oil to a left and right hydraulic motors when the vehicle is in straight run.This control device 20 for the drive of vehicle run is composed of...  
JP2003504275A
(57) a driver system suitable as an object for summary bicycles, In order to deliver driving force one pair of pedals carried in the lever system (1, 2, 6) which performs linear レシプロ movement to the wheel of at least 1 side, the ...  
JP2003028294A
To solve such a problem that the input torque of a hydraulic continuously variable transmission is excessively increased at the time of restart of an engine and the engine cannot be started since the hydraulic pressure of a hydraulic ser...  
JP2003026072A
To obtain stable travel performance even on a snow road, a bad road, and a steep slope.This motorcycle has a rear wheel 4 driven by an engine 12, and a driven front wheel 3. A hydraulic pump 23 is connected to the rear wheel 4. A hydraul...  
JP2003028270A
To provide a compact hydrostatic continuously variable transmission easy to install for driving a crawler of a crawler type working vehicle.A casing 22 of a hydraulic pump 20 and a casing 32 of a hydraulic motor 30 are connected. An inpu...  
JP2003502593A
(57) Summary book invention relates to a hydrostatic pressure drive (1). The above-mentioned drive consists of the 1st drive series that the 1st liquid pressure motor (8) connected to a liquid pressure pump (4) through a liquid pressure ...  
JP2003014111A
To provide a hydraulic continuously variable transmission and a transmission system for downsizing a cylinder block.Oil passages 65, 75 are constituted at a slant from a stepped face 42a of the cylinder block 42 to the inward to communic...  
JP2003014081A
To provide a hydraulic device and a power transmission in which a distributing valve can be smoothly reciprocated and valve holes can be easily formed.When selector valves 66, 76 are positioned in port closing positions n0, m0, stem part...  
JP2003014082A
To provide a hydraulic continuously variable transmission that can miniaturize a cylinder block commonly used by respective first hydraulic device and second hydraulic device and in its turn miniaturize the whole device.This hydraulic co...  
JP2003014079A
To provide a hydraulic continuously variable transmission and a power transmission simplifying the reciprocating structure of a distributing valve.A flange face of a flange 72 of a retainer 70 rotatable synchronously with a cylinder bloc...  
JP2003014078A
To provide a hydraulic continuously variable transmission and a power transmission capable of easily performing the speed control of output rotation over the whole rotating speed range by the displacement of an abutting part.This continu...  
JP2003014075A
To provide a hydrostatic transmission device applied to a tractor, a riding lawn mower, lawn and gardening instruments, and the like mainly in lawn and garden industry.The hydrostatic transmission device is provided with a fluid motor an...  
JP2003014080A
To provide a hydraulic device and a power transmission that can stabilize support in the axial direction of a cylinder block without causing the relative position change of a cylinder block and one wall of a case even if the case is ther...  
JP2003014077A
To provide a hydraulic continuously variable transmission and a power transmission that can miniaturize the device itself in comparison with a conventional hydraulic continuously variable transmission.This hydraulic continuously variable...  
JP2003013773A
To provide an engine control unit for a vehicle capable of reducing fuel consumption and noise by changing low speed idling to feed necessary quantity of oil when it is really necessary.The vehicle is provided with an engine 1 which burn...  
JP2003014076A
To provide a hydraulic continuously variable transmission that can widen a range where output rotation is neutral, that is, output rotating speed becomes zero.This hydraulic continuously variable transmission 20 is provided with a first ...  
JP2002364527A
To provide a displacement varying mechanism for a pump of construction allowing easy position adjustment of a detent mechanism. The displacement varying mechanism for the pump comprises a cam 10 to be rotated to vary the displacement of ...  
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
(57) The fluid pump unit (18) driven with a summary input axis (14), an output axis (16), and an input axis (14), it is a drive to the grounded fluid motor unit (20) and an output axis (16) -- it being connected so that revolution is pos...  
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  

Matches 651 - 700 out of 2,001