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Patent Searching and Data


Matches 301 - 350 out of 1,296

Document Document Title
JP3816758B2
To reduce the size of a coupling, permit the setting of an oil pressure high in a high pressure chamber and require a lower cost. This drain mechanism comprises a plate 10 provided with a communication groove 11 communicating with an ori...  
JP2006214514A
To provide a transmission reducing power loss, facilitating gear change and having excellent gear change responsiveness.This transmission is provided with a plurality of intermediate shafts 17, 18 to which torque is transmitted from an i...  
JP3807586B2
To reduce a caviation sound by press fitting in one end of the end coil part of a return spring in a drain pin having on orifice as a flow resistance generating means, and positioning the drain pin in the rotationally movable direction. ...  
JP3807585B2
To improve durability of strength by disposing a thermo-switch which is arranged so as to close a drain hole by push-pressing a drain pin, and which is moved in a direction for opening the drain hole abutting on a fixing pin, when it att...  
JP3802994B2
To prevent a shock from being felt, even if a peak torque is produced when starting on a low μ road, without locking at that moment. This power transmission coupling comprises a lock pin member 45, which when a hydraulic pressure rises ...  
JP3802995B2
To prevent a tight corner braking phenomenon by locking, when a temperature exceeds a prescribed value. This power transmission coupling comprises a lock pin member 42, which when a hydraulic pressure rises beyond a prescribed values, mo...  
JP2006144946A
To provide a hydraulic power transmission device having simple construction for suppressing overtorque at sudden starting or sudden braking and preventing interference with ABS at sudden braking.The hydraulic power transmission device 10...  
JP2006138434A
To provide a hydraulic power transmission device equipped with a torque limiter for suppressing excessive torque at abrupt starting and abrupt braking in a simple structure.A hydraulic power transmission device 10 is provided with a torq...  
JP2006138435A
To provide a hydraulic power transmission device equipped with a torque limiter for suppressing excessive torque at abrupt starting and abrupt braking in a simple structure.In a torque limiter mechanism of a hydraulic power transmission ...  
JP2006112460A
To provide a power transmission device which requires no dedicated transmission device on the output side of a power source.The power transmission device comprises a radial piston pump 7 which is driven as interlocked with relative rotat...  
JP2006112459A
To provide a power transmission system where an oil pump and a transmission system are not required to be provided separately.A first rotational member 6 and a second rotational member 2 are arranged on a power transmission path. An oil ...  
JP2006097815A
To avoid interference with an ABS in simple construction.In this hydraulic power transmission device 10, the opening cross section of each of a plurality of first orifices 40 formed in a washer member 36 facing one slope of a cam mountai...  
JP3761134B2
To enhance the wear-resistance, pitching resistance and seizure resistance of each of a plunger side sliding surface and a cam ring side sliding surface. A hydraulic type power transmission coupling 1 has a plunger 8 and a cam ring 8 eit...  
JP2006502358A
A clutch (A, B) has a cam (20, 70) and a rotor (22, 74), and both rotate it around common axis line (X). A cam has the cam side (30, 72) in which the robe (32) was prepared, and, on the other hand, a rotor holds the piston (26, 80) suppo...  
JP2006002926A
To provide a power transmission device for increasing torque to be transmitted to wheels by using oil discharged from an oil pump.The power transmission device comprises first rotating members 6, 8 and second rotating members 2, 9 connec...  
JP2005330935A
To predict the life of a hydraulic pump by detecting the sign of pump rupture before the hydraulic pump is ruptured.The delivery pressure 122 of the hydraulic pump, an oil temperature 126, and drain filter pressure difference 120 are det...  
JP2005319993A
To provide a control valve assembly that is for use in a hydraulic drive system in which a pump-motor unit can either receive drive torque from a drive-line or transmit torque thereto, and has high response and low pressure drop to impro...  
JP2005308205A
To simplify a filter circuit in a hydraulic drive system.The hydraulic drive system 11 comprises a pump/motor unit 35 having a pump mode to pressurize a high-pressure accumulator 41 from a port A and a motor mode to be driven from the hi...  
JP2005282796A
To reduce size and weight of an air servo cylinder as much as possible and attach it to a tip of a robot arm to suit to travel in a narrow space.In this air servo cylinder in which servo valves 3, 4 are mounted on an air cylinder 1 throu...  
JP2005282687A
To enable the imparting of relatively rotational force to right and left axle shafts even at the reverse traveling without enlarging a device.The right and left drive force distributing device is comprised of a differential to distribute...  
JP3699858B2
To provide a lightweight and compact coupling capable of preventing jumping of a plunger at low temperatures and abnormal noise. This coupling comprises a rotor 12 having a plurality of plunger chambers 15 formed in the axial direction, ...  
JP2005256960A
To provide a power transmission system not requiring a dedicated transmission mechanism on an output side of a power source.The power transmission system has an input member 6 and an output member 2 for transmitting power and an oil pump...  
JP2005247226A
To provide a power steering device having a switching valve equipped with required liquid-tightness.The power steering device supplies hydraulic pressure to both pressure chambers of a hydraulic cylinder by a reversible pump through firs...  
JP2005241007A
To provide an electric-powered hydraulic clutch having an electric motor, an oil pressure or a hydraulic fluid circuit, and a multiple disc friction clutch pack.The electric-powered hydraulic clutch comprises the electric motor 80 with b...  
JP2005233102A
To prevent reverse rotation of a pump even if oil flows reversely to the pump due to residual pressure at the time of a stop of the pump drive motor and to prevent reverse flow itself softwarewise by rotation control of the pump without ...  
JP2005232792A
To provide a cooling device of a construction machine capable of surely preventing the increase of a burden imposed on a fan driving circuit and the generation of a different sound by a low priced constitution in the case the rotational ...  
JP2005170178A
To reduce energy loss, and to improve responsiveness of a steering control system.When a steering operating element is quickly operated, opening area of a steering flow control valve 4 is quickly increased to quickly reduce a pressure di...  
JP2005171953A
To arbitrarily set a relationship between the strokes of a piston, with the rotation angle of a rotor of a rotation fluid machine.A cam surface 25a, which changes its height in the axis L direction, is formed at a cam member 25 fixed to ...  
JP2005163577A
To prevent a leakage of an operating medium by preventing partial wear of a sliding surface of a rotary valve of a rotating fluid machine.A fixed side valve plate 73 coming in sliding contact, through a sliding surface 77, with a movable...  
JP2005147265A
To prevent deformation of a locking member when a housing is subjected to outsert molding.The bearing unit is provided with a shaft 31; a radial bearing 33 for carrying out supporting in a circumferential round direction of the shaft 31;...  
JP3657311B2
PURPOSE: To prevent vibration and play generated in a condition where a difference in rotating speed between front and rear wheels is small. CONSTITUTION: In this driving connecting device, a vane pump is constituted by containing a roto...  
JP3658242B2
To constantly hold a torque and use both a temperature 2 WD mechanism and a torque limiter mechanism serve by arranging a drain pin for opening a drain hole, while taking a balance gradually when it attains a prescribed toque level. When...  
JP3658243B2
To reduce torque changing speed in changing over a torque characteristic by forming the receiving hole a check ball opening a relief hole to relief oil pressure of the high pressure chamber of a valve by oscillation of a weight into a va...  
JP3658240B2
To prevent oil leakage between a valve and a rotor by forming an extension section extending in the axial direction on a bearing retainer, providing a bearing of a differential gear case around the extension section, and supporting the b...  
JP2005140324A
To provide a dual check-relief valve capable of performing the function of a hydrostatic high pressure relief valve and a check valve.The new valve has two poppets separated by a spring that are within two seats within a guide and secure...  
JP2005133773A
To accurately transmit power, while reducing size.A friction plate 72 is provided inside a friction plate moving space 71 between a side surface of a vane 41 and a first right side plate 30R, and the friction plate 72 is always energized...  
JP2005075153A
To provide a hydraulic power transmission device of a twin coupling type capable of individually setting torque generated in both sides operation and in one side operation and improving traveling performance.Right and left couplings 10R,...  
JP2005076857A
To prevent "twisting" in a movable body in a movable body housing space formed in a plate member even when alignment of two joined plate members is insufficient.In a first relief valve RV1 of a composition having the movable body in the ...  
JP2005054944A
To provide a vehicular driving force distribution device capable of performing the torque control between right and left wheels or between front and rear axles, having the differential limit function, and capable of enhancing the traveli...  
JP3623101B2  
JP3609743B2
To provide an axial direction setting device to perform an external disconnecting function by a simple means. This axial direction setting device is constituted of two members 13, 14 free to relatively rotate in a housing 12, a container...  
JP3590640B2  
JP2004308812A
To obtain the optimum torque characteristic in accordance with a traveling condition.An orifice OF3 is mounted on an oil passage communicating a discharge port 37L of a left vane pump PL and a discharge port 37R of a right vane pump PR, ...  
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...  
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 ...  
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...  
JP2004268764A
To provide a power transmission device of four-wheel drive vehicle for obtaining optimum torque characteristics according to a driving state.The power transmission device of a four-wheel drive vehicle comprises left and right vane pumps ...  
JP2004523711A
A drive system is provided for coupling a clutch assembly with a pump assembly that provides fluid power to cool, lubricate and control the operation of the clutch. The drive system comprises a drive coupling rotatably supported on an in...  
JP2004211858A
To provide a hydraulic power transmission capable of reducing the cost by simplifying a manufacturing process.A cylindrical cover member 19 configurating a casing C and a left first side plate 30L for closing an opening part at a left en...  
JP2004183861A
To facilitate assembling works and components management by simplifying a structure and lessening the number of components.A torque transmitter comprises a pressure chamber 70 expanding by receiving press-fed oil and moving a movable por...  

Matches 301 - 350 out of 1,296