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Matches 351 - 400 out of 1,294

Document Document Title
JP3533085B2
To provide the subject device capable of being smoothly controlled by setting freely the maximum speed of a specified actuator without changing negative control. A hydraulic power unit is so constituted that a center bypass 3 is connecte...  
JP2004514093A
The present invention relates to the oil pressure control valve system equipped with the pressure compensation type flow control assembly. A valve assembly controls the hydraulic fluid which flows into some hydraulic actuators from the v...  
JP2004512474A
The gearbox (416) constituted so that energy may be transmitted to a starting device from the source of power is offered. A gearbox (416) has the input axis (426) constituted so that energy may be received from the source of power, and t...  
JP2004106707A
To provide a vehicle power unit with an internal combustion engine, being narrow in width and compact, and transmitting power from the internal combustion engine to the wheel through a hydrostatic continuously variable transmission.The v...  
JP3516180B2
PURPOSE: To facilitate maintenance and inspection as well as to easily and reliably perform attachment/detachment of a fluid joint. CONSTITUTION: In a fluid joint 10 wherein a contact surface 24 of a supplying pipe body 20 and a contact ...  
JP3504946B2  
JP2004036870A
To provide a multiple pressure oil energy selective recovery apparatus capable of selectively recovering pressure oil energy stored in each of a plurality of hydraulic actuators, on the basis of preferential recovery conditions.The order...  
JP2004028333A
To provide a hydraulic control system having excellent operability, responsiveness and stability, and remarkably improved in system efficiency thereof.When each selector valve 3, 4 and 5 is positioned in a neutral position, supply of the...  
JP2004028233A
To provide an oil pressure energy recovering/regenerating apparatus for recovering the energy of a return pressure oil from a hydraulic actuator and regenerating the recovered energy as a drive energy in a drive means.The return pressure...  
JP3486510B2
To prevent torque degradation due to oil leak by making communication with a high pressure chamber which communicates with the delivery port of a rotary valve, forming a storage hole communicating with low pressure chamber side for stora...  
JP3486509B2
To prevent lowering of torque due to leak of oil and to prevent the occurrence of malfunction of a part owing to choking with contaminants. A hydraulic type power transmission coupling comprises a containing hole 61 formed by expanding a...  
JP3463409B2
PURPOSE: To improve dynamical unbalance of transmission torque around a center line as the rotational center as well as to easily and inexpensively constitute a power transmitting device into a compact size by which transmission torque i...  
JP3460817B2
To provide response characteristics or setting characteristics fitted to various types of working forms by varying opening quantity characteristics of a variable bleed valve discharging pressure oil fed from a hydraulic pump to a hydraul...  
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...  
JP2003278801A
To facilitate working of an orifice for connecting a discharge port and a suction port of a vane pump in a power transmission gear of a four-wheel drive vehicle.A side plate 23 is installed between a left vane pump interlocking with diff...  
JP3445835B2
PURPOSE: To provide a desired transmission torque characteristic in the low, medium and high speed zones of a rotating speed difference by providing an orifice at the intermediate position of the oil suction passage of a variable-displac...  
JP2003239904A
To provide a hydraulic pressure control system for reducing motor cavitation.The fluid control system comprises at least one double-acting cylinder and at least one fluid-driven motor. A pressure fluid source feeds the pressure fluid flo...  
JP3436679B2
To ensure operational stability and to perform pressure control accurately and with high reproducibility by preventing vibrational phenomenon of the pressure from occurring when a plurality of hydraulic driving sources are connected with...  
JP2003222105A
To provide a system and a method for accumulating hydraulic fluid.The hydraulic system contains a hydraulic actuator including a first chamber and a second chamber. An accumulator is in fluid communication with the hydraulic actuator and...  
JP2003206902A
To provide a method for controlling a deadband of a fluid system.The method for controlling the fluid system is provided. The system includes a hydraulic circuit having a pump driven by an engine, and the pump supplies fluid to an actuat...  
JP2003176837A
To provide a fluid clutch capable of controlling the transmitted torque easily and also reducing the drag torque.The fluid clutch is installed between a first shaft and a second shaft installed on the same axis and are equipped with a ca...  
JP3401392B2
To prevent lowering of torque due to leak of oil, to prevent the occurrence of malfunction due to choking with contaminants, and to provide the function of a torque limiter. A hydraulic type power transmission coupling comprises a contai...  
JP2003097511A
To provide an improved device for moving a load in the rotating direction and/or the axial direction in relation to a main body.This improved device 10 contains the main body, a motor 13 fitted to the main body and having an output shaft...  
JP2003083238A
To provide an inexpensive arrangement structure of a swash plate type hydraulic pump with a small size and a simple structure usable in a wide range of a construction machine and an industrial vehicle.In the arrangement structure of a pl...  
JP2003021102A
To prevent the occurrence of an engine stall even at high load while ensuring simultaneous operability of a working machine hydraulic actuator and a traveling hydraulic motor.This control unit for a construction machine comprises a varia...  
JP2002544456A
(57) Are transfer of the torque between the summary first and second relative rotation members (26, 120, 120a) roll control equipment (10, 10a) for controlling, and this equipment, It has a piston (76, 76a), and this piston is connected ...  
JP2002364601A
To provide a high pressure hydraulic system in a single housing. This hydraulic system suitable for use in, in particular, a work machine is provided with a hydraulic source. A hydraulic converter has an inlet connected with a pressure s...  
JP2002540037A
(57) Summary book invention relates to the control device of the liquid pressure type for letting out a winch and driving by operation, winding-up operation, and a basin trial. Have this control device and the pilot control equipment arb...  
JP3346644B2  
JP2002317774A
To provide a hydraulic system, particularly, an oil pressure changer for the hydraulic system.The oil pressure changer for controlling a hydraulic oil pressure and a flow rate for a hydraulic device comprises first and second variable fl...  
JP2002310191A
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 communicating with an orifice...  
JP2002310193A
To provide a power transmission for a four-wheel drive vehicle with a hydraulic coupling device wherein sealing between a shaft hole of a casing and a rotor shaft passing through the shaft hole is performed with simple machining.A circul...  
JP2002310195A
To provide a power transmission for a four-wheel drive vehicle with a hydraulic coupling device wherein a change-over valve having improved machining and assembling properties is provided for selectively communicating one high-pressure-s...  
JP2002310192A
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 orif...  
JP2002310194A
To provide a power transmission for a four-wheel drive vehicle with a hydraulic coupling device wherein a check valve for preventing the occurrence of cavitation in a vane pump is reasonably arranged for requiring a shorter oil path and ...  
JP2002301945A
To reduce size and to prevent damage in the teeth of a spline of a rotor shaft in the case of a hydraulic coupling device of a power transmission system for a four-wheel drive vehicle.The rotor shaft 27 is equipped with a through hole 27...  
JP3326134B2  
JP2002250411A
To provide a fluid control variable speed change gear which is small in setting space and simple in structure.A plural set of planetary gear mechanisms having different sizes are coaxially stored in a rotatable gear housing, the flow of ...  
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...  
JP3295700B2  
JP2002130332A
To provide a hydraulic clutch which can easily control transmission torque and is free from wear.The hydraulic clutch disposed between a primary shaft and a secondary shaft which are arranged on the same axis comprises a casing transmitt...  
JP2002130331A
To provide a torque limiting device having a configuration in which excessive torque can be prevented from being transmitted between input-output shafts while restraining power loss and a production cost can be reduced.A body part 30 rot...  
JP2002098172A
To facilitate machining of a side cover of a vane pump to achieve cost reduction and to restrain leakage of a working oil from a sliding surfaces of a rotor and side cover, in a hydraulic coupling of a power transmission for a four wheel...  
JP3262943B2
PURPOSE: To provide a power transmission device which is constituted to prevent an increase in the size of a device and form the device in a compact manner and reduce a cost through reduction of the number of parts. CONSTITUTION: In cons...  
JP3253426B2
PURPOSE: To improve torque transmission characteristic with a simple structure by compressing operation oil in an operation chamber by a screw pump when input and output shafts are differentially rotated, and by controlling the transmiss...  
JP2002502926A
(57) Summary 浮子 (1), an extension cable (2), the inhalation extrusion hydraulic pump (3) equipped with the cylinder hole, machine that produces kinetic energy from the sea surface wave motion containing deadweight (4). 浮子 (1) is ...  
JP2002013155A
To provide response characteristics or setting characteristics fitted to various types of working forms by varying opening quantity characteristics of a variable bleed valve discharging pressure oil fed from a hydraulic pump to a hydraul...  
JP3246079B2
PURPOSE: To stably control the transmission torque of a rotational difference sensitive coupling in a region where the control by an orifice opening is unstable by another technique. CONSTITUTION: While the power from final drive gear se...  
JP3246758B2
PURPOSE: To provide a hydraulic power transmission joint used for distributing the driving force of a vehicle, which can eliminate the need of a one-way valve to be simple in structure and reduce the limit in loading on a vehicle, and ca...  
JP3243373B2
PURPOSE: To a provide a power transmission device which is constituted to suppress the generation of gear impact noise and prevent the occurrence of wear. CONSTITUTION: Constitution of a power transmission device is such that by boosting...  

Matches 351 - 400 out of 1,294