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JPH11351285A |
To eliminate the effect of the centrifugal force on a valve element of a check valve. A valve seat 30a of a check valve 29 is formed of a tapered surface. A generator farthest from the axis L of rotation among the generators of the taper...
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JPH11344051A |
To provide a compact operating device which admits easy maintenance works and can be repaired eventually through replacement of individual members. A hydraulic cylinder 1 and pump devices 7, 8, 9, 10, 11 constitute one unit formed by mea...
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JP2989468B2 |
PURPOSE: To reduce cost, make an operation failure less apt to cause, and prevent a reduction in torque by using a closing valve which facilitates the working of a hydraulic power transmission coupling and dispenses with a driving cam. C...
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JP2989467B2 |
PURPOSE: To improve running property by providing a lock mechanism in a hydraulic power transmission coupling, limit the torque by a relief mechanism even when the lock mechanism is operated at a sudden departure, and prevent the erroneo...
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JP2989437B2 |
PURPOSE: To provide a hydraulic power transmission joint which performs locking only when differential movement of the joint used for distribution of driving power of a vehicle, is in the normal direction, can be used for shaft penetrati...
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JP2601909Y2 |
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JP2989433B2 |
PURPOSE: To prevent any drop in torque from occurring, to be hard to cause the seizure or binding of a valve element to make durability improvable and embody the promotion of miniaturization and the cost reduction in addition to ease of ...
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JPH11294346A |
To provide a vane pump furnishing a cam ring made of a sintered material, which does not bring a reduction of the effective operating oil amount, a cavitation, and a contamination. Since an oil is impregnated to a cam ring 1 made of a si...
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JP2964622B2 |
A torque distribution control device for a four-wheel drive vehicle includes a rotational speed differential responsive type control coupling combined with a front differential of a front wheel drive line. The control coupling has a vari...
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JP2955687B2 |
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JP2951507B2 |
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JP2952139B2 |
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JP2949299B2 |
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JP2947802B2 |
Device for modifying the delivery of a damping fluid for a rotational vibration damper, particularly for piston engines, in whose rotating cylindrical damper housing, connected to the input or output drive shaft, spur gears are borne in ...
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JP2944754B2 |
A vehicle drivetrain differential (22) driven by a rotary drive member (24) rotatively drives a pair of rotary members (26, 28) and includes a housing (30) for containing hydraulic fluid and in which a hydraulic coupling (32) is received...
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JP2942931B2 |
A temperature-controlled fluid coupling for intermittently driving a cooling fan of an internal combustion engine. The coupling comprises a drive input shaft having a rotor thereon, a housing for supporting a cooling fan, a plurality of ...
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JP2941077B2 |
A torque transmission device of a four-wheel drive vehicle having a pair of drive shafts (100,200) includes a hydraulic pump (3) for transmitting torque to both drive shafts through a variable oil pressure generated therein according to ...
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JP2931705B2 |
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JP2929247B2 |
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JP2929246B2 |
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JP2927131B2 |
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JP2923545B2 |
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JPH11182676A |
To prevent cavitation which is expected to occur when a working vehicle decelerates or goes downhill and when it is switched from forward to reverse or vice versa. This driving unit has a variable displacement type hydraulic pump for tra...
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JP2913968B2 |
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JP2911719B2 |
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JPH11159546A |
To reduce an influence due to the heat emission of an orifice to a cylinder hole by forming the orifice at a spot separating from the cylinder hole. An orifice 51 is formed on one axial flat end face of the disc part 10 of a rotor 2, and...
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JP2905802B2 |
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JP2903771B2 |
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JPH11506395A |
A hydraulic drive system for a battery operated portable compression tool. The tool has an electric motor. The drive system has a self-regulating variable displacement pump with a rotatable conduit frame having radial conduits, pistons r...
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JPH11141573A |
To make a joint compact with a structure that the plungers are respectively stored in both ends of a cylinder hole, by forming the hydraulic oil storing chambers separately from an axis of rotation of the joint to an outer peripheral sid...
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JP2886816B2 |
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JP2886794B2 |
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JP2886795B2 |
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JP2885486B2 |
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JP2886796B2 |
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JP2884001B2 |
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JPH1193982A |
To change a torque transmitting characteristic and a differential limit characteristic by a direction of rotation. A piston pump having a cylinder and piston 33 provided radially in one torque transmitting shaft side, cam 35 provided in ...
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JPH1193983A |
To easily work an introducing path opened to an internal peripheral surface of a cylinder hole. In a bottom surface 20a of a check valve mounting hole 20, a receiving member 50 is provided. In this receiving member 50, a through hole 50a...
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JPH1182555A |
To control an output member into a finite speed despite varying rotation of an input member. An output revoving speed control device is composed of an output member 15 coupled rotatably with an input member 13 and supporting a stationary...
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JP2867712B2 |
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JP2867729B2 |
A pair of orifices of different orifice sizes is provided between each pressure chamber and an accumulator chamber. A larger one serves as a variable orifice and a smaller one as a fixed orifice. The variable orifice becomes effective wh...
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JP2867709B2 |
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JP2591928Y2 |
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JPH1151090A |
To provide a coupling capable of transmitting power in response to differential movement between two shafts, and concurrently, of releasing power transmission as required. This coupling is equipped with a plurality of piston housing hole...
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JPH1137180A |
To freely relatively rotate a housing and a rotor both when rotational speed becomes higher than a specified one. A valve storage hole 62 forming a part of an inlet path 6 interconnecting a plunger chamber 46 and an operating oil storage...
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JPH1137182A |
To transmit torque between a housing and a rotor even if a rotational speed difference between them is zero. A housing 2 is composed of a cylindrical body part 2A having a bottom part at one end, and the other end is opened, and a bottom...
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JPH1137183A |
To provide a rotational speed difference sensitive joint capable of preventing a temperature of operating oil from rising lighter than a specified value. A rotor is mad up of a valve storage hole 62 forming a part of a derived path 7 int...
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JPH1137184A |
To prevent pressure of hydraulic fluid from rising higher than a specified value. A relief valve 8 is installed in a derived path 7 interconnecting a plunger chamber 46 and an hydraulic oil storage chamber together. An orifice 84 forming...
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JPH1137181A |
To arrange a shaft extended on the relative rotation axis of a housing and a rotor, inside a coupling by forming an operating oil storage chamber in annular shape around the rotation axis of the housing and rotor. A housing 2 has bottom ...
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JP2850925B2 |
A hydraulic nonstep transmission apparatus with low costs and high reliability is provided which is capable of automatically determining a speed-change ratio corresponding to engine speed and motor load and capable of smoothly performing...
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