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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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JP3623101B2 |
An object of the present invention is to provide a hydrostatic transmission system integrally constructed without being large-sized while incorporating a variable displacement motor therein. In order to accomplish the object, a casing 11...
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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...
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JP3590640B2 |
A hydraulic torque impulse generator, comprises a motor driven drive member (10) with a fluid chamber (23), an output spindle (11) connectable to a work piece and extending into the fluid chamber (23), two diametrically opposite seal ele...
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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, ...
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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...
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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 ...
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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...
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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...
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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...
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JP2004512474A |
A transmission apparatus (416) is provided that is configured to transmit energy from a power source to a work device. Transmission apparatus (416) includes an input shaft (426) adapted to receive energy from the power source and an outp...
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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 ...
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JP3504946B2 |
PCT No. PCT/GB93/01137 Sec. 371 Date Nov. 29, 1994 Sec. 102(e) Date Nov. 29, 1994 PCT Filed May 28, 1993 PCT Pub. No. WO93/24754 PCT Pub. Date Dec. 12, 1993A gas compressor is provided comprising a chamber (9) to contain gas to be compre...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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JP3346644B2 |
A fluid clutch comprising a driving section, a rotational shaft rotated by the driving section, a driving disk driven rotationally by the rotational shaft, a casing containing the disk and rotatable around the rotational shaft as a cente...
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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...
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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...
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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 ...
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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...
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JP3326134B2 |
The hydraulic power transmission joint is capable of transmitting torque in response to a change in relative rotational speeds of connected input and output shafts. The joint is made compact in size by reducing the space required to hous...
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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 ...
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JP3295700B2 |
PCT No. PCT/AU92/00209 Sec. 371 Date Dec. 16, 1993 Sec. 102(e) Date Dec. 16, 1993 PCT Filed May 7, 1992 PCT Pub. No. WO92/19881 PCT Pub. Date Nov. 12, 1992A hydraulic ball coupling assembly (1) comprises an inner hub (2) and an outer hub...
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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...
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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...
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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...
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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...
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JP2002502926A |
A machine for producing kinetic energy from sea waves comprising a floater (1), an elongated cable (2), a suctioning and impelling hydraulic pump (3), with a cylinder orifice; a deadweight (4). The floater (1) is fastened to an end of th...
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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...
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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...
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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...
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