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JP2002089710A |
To eliminate the cause of a lowering of power transmission efficiency due to continuous leakage of a hydraulic fluid by constituting so as to hold a neutal state by forming an orifice hole for communicating a main circuit with a charge c...
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JP2002054713A |
To simplify a support structure of a distribution valve and reduce the weight of the structure in a hydrostatic continuously variable transmission.A U-shaped clip 152 is inserted in a groove 61d provided in the head of the distributing v...
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JP2002030901A |
To continuously carry out combustion and exhaust of a power engine, to reduce vibration and noise comparatively small, to improve heat efficiency and to reduce generation of a harmful matter.A compressor 1 and an expander 2 are connected...
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JP2002031037A |
To provide a variable displacement axial piston hydraulic machine to be assembled inside of a housing, capable of facilitating the operation check in shipping to ensure the assembling and disassembling, and the quality.This variable disp...
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JP2002005261A |
To provide a hydraulic power transmission for a vessel capable of securing a good vessel operating condition and navigating force at the time of navigation.A pump shaft 53 of a hydraulic pump 13 is connected to a flywheel 17 and a cylind...
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JP2002005273A |
To provide a lubricating system for the swash-plate bearing of the HST-type transmission, which can lubricate efficiently the space between the cradle-type, movable swash-plate and the bearing face of the swash-plate, and has a simple lu...
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JP2001527628A |
An infinitely variable hydrostatic transmission includes an input shaft connected to drive a hydraulic pump unit, a grounded hydraulic motor unit, and an output shaft. A swashplate assembly is connected to impart output torque to the out...
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JP2001526760A |
An axle driving apparatus for a vehicle, including a housing (1,2) containing a pair of coaxial axles (7), a differential gear unit (23) disposed in the housing (1,2) and interposed between the axles (7) so as to differentially connect t...
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JP3236940B2 |
PCT No. PCT/EP94/02504 Sec. 371 Date Mar. 1, 1996 Sec. 102(e) Date Mar. 1, 1996 PCT Filed Jul. 28, 1994 PCT Pub. No. WO95/06830 PCT Pub. Date Mar. 9, 1995The invention relates to a hydrostatic transmission having a hydraulic pump (1) and...
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JP2001270340A |
To easily carry out the assembling and disassembling work for a hydraulic continuously variable transmission device assembled inside a housing in order to be used. The process for assembling the hydraulic continuously variable transmissi...
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JP2001255951A |
To stop a traveling vehicle by operating a brake at work traveling, and to easily reproduce the position of a speed change lever at re-start of the work traveling.In a traveling vehicle, which can be rotated by adjusting the outputs of a...
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JP2001248728A |
To provide an axle driving device with a HST and axles connected in association therewith in a housing, offering simple construction for allowing automatic shift to the side of a small deceleration ratio with the decreasing load of an en...
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JP3205597B2 |
PURPOSE: To facilitate the dimensional control and enhance the assembling properties of a hydrostatic continuously variable transmission in which a cylinder block is formed from ferrous metal with at least one annular oil passage formed ...
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JP3201659B2 |
PURPOSE: To carry out a stepless transmission with a simple structure by directly connecting a gear shaft of a gear pump to a rotary shaft of a transmission, winding a belt around a pulley on an outer periphery of a pump housing and a pu...
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JP2001227455A |
To eliminate inconvenience according to a rapid change of a pump discharge amount by making the speed for returning an actuator piston for operating a discharge flow rate variable means for a pump device to a neutral position gentle up t...
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JP2001214960A |
To provide a isobaric closed circulation engine and to develop a power saving field engine directly generating a rotation output to an output shaft.This power saving fluid engine is so formed that a rotor of a rotation type vane cylinder...
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JP2001165275A |
To improve the compactness and weight reduction of a transmission by disposing right and left continuously variable hydrostatic transmission (hereinafter, referred to as 'HST') having both a pump and a motor of variable displacement type...
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JP3177280B2 |
PURPOSE: To enlarge the range of the variable speed more than double compared to the conventional one and use a pump and a motor of one rank lower than the ordinary one by not only changing discharge capacitor of a hydraulic pump as conv...
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JP3171929B2 |
PURPOSE: To reduce the extent of working manhours by sintering snf forming plural pieces of split materials in the axial direction of a block, melting a brazing material in a state of being positioned with one another, and brazing them a...
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JP2001146951A |
To provide a dual type pump unit capable of effectively suppressing the rise of temperature of a hydraulic oil refilled to a pair of oil pressure lines leading between a hydraulic motor and a hydraulic pump. The dual type pump unit is eq...
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JP2001116105A |
To provide a tandem pump unit allowing the improvement of the efficiency for the work of mounting it in a vehicle. First and second hydraulic pimp 10a, 10b have respective first and second pump shafts 11a, 11b arranged in parallel relati...
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JP2001116107A |
To simplify an oil replenishing line in a tandem pump unit having first and second hydraulic pumps which cooperate with first and second hydraulic motors connected to a driving wheel. The tandem pump unit having the first and second hydr...
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JP2001116106A |
To provide a tandem pump unit allowing simplification of the operation of mounting it in a vehicle and a reduction in cost through a reduction in number of part items. The tandem pump unit includes a common housing 20 accommodating first...
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JP2001069729A |
To reduce the cogging torque of the rotor of a DC brushless motor and, at the same time, the number of the parts used in the rotor by forming permanent magnets in such a way that two poles of an N pole and an S pole are magnetized in the...
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JP2001059561A |
To reduce rotational loss of a rotary body while surely lubricating slide parts in a fluid machine such as a hydraulic pump, a hydraulic motor, a hydrostatic transmission or the like. In a hydrostatic transmission in which a hydraulic pu...
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JP2001059562A |
To reduce power loss by appropriately adjusting the temperature of lubrication oil present in a closed container in a fluid machine such as a hydraulic pump, a hydraulic motor, a hydrostatic transmission or the like. In a hydrostatic tra...
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JP3138791B2 |
PURPOSE: To secure a sufficient passage area in a middle speed change stage for restricting loss of transmission efficiency, secure continuity of speed change ratio close to a top condition, and improve concentric position precision of a...
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JP3135749B2 |
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JP3128285B2 |
PURPOSE: To use right and left axles of the same length by aligning the rotational shaft center of a hydraulic pump and the center of ring gears of an output transmission as well as of a differential device in a line. CONSTITUTION: The r...
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JP3079230B2 |
PURPOSE: To accomplish compatibility of antiwear property of a spherical recess on a swash plate in a swash plate type hydraulic gear with the durability of the swash plate against a thrust load and a bearing. CONSTITUTION: A swash plate...
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JP2000220737A |
To reduce the size of a hydraulic continuously variable transmission, and reduce a cost in the transmission installed with two hydraulic motors together to an axial type hydraulic pump so as to circulate hydraulic oil in a closed oil hyd...
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JP2000193065A |
To simplify structure, and reduce cost. This transmission comprises a first shaft 2 serving as an output shaft, a second shaft 5 at which a second gear 4 fitted in a first gear 3 fixed on the first shaft 2 is fixed, and a third shaft 7 o...
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JP2000508408A |
(57) [Summary] It is an axle drive device having a first axle drive unit (18L) having a housing (40) and a single axle (20L). In the housing (40), an extension portion is formed so as to extend substantially orthogonal to the axial core ...
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JP2000179683A |
To positively ensure sliding contact face sealing performance immediately after starting without increasing friction in the whole area of operation.A hydraulic continuously variable transmission is provided with pressure receiving parts ...
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JP2000170871A |
To reduce the manufacturing cost of a hydraulic structure and to easily simplify the same by connecting a hydraulic elevating pump for ascending and descending a working machine, to a charged oil pressure circuit of a hydraulic continuou...
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JP2000130549A |
To provide a small-sized hydraulic transmission capable of reducing noise and vibration during shifting. A hydraulic transmission is structured so that it is provided with fluid discharging means 103, 104 rotated-driven by a driving sour...
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JP3016057B2 |
[OBJECT] In a transmission provided with a static, hydraulic continuously-variable-speed transmission mechanism comprising a hydraulic circuit having a closed circuit comprising a hydraulic pump connected to the crankshaft of an engine, ...
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JPH11336873A |
To direct transmit power between a motor shaft and axle by means of gears while an intermediate reduction gear train is eliminated in this HST type axle driving device. A hydraulic pump P mechanism and a hydraulic motor M mechanism are p...
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JPH11315920A |
To devise a automatic fluid transmission stout, simple in structure, reduced in fuel consumption and rapidly manufacturable by automatically increasing/decreasing a rate for supplying oil to a driving axle continuously arranged dynamic o...
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JP2974164B2 |
PURPOSE:To prevent noise generation without dropping the power transmitting efficiency by changing the oil pressure in a cylinder hole and a communication port in accordance with rotation of a cylinder block. CONSTITUTION:When a plunger ...
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JP2974165B2 |
PURPOSE:To suppress variation of a thrust synthesized load while the change of the oil pressure in a cylinder hole corresponding to each plunger is made gradual. CONSTITUTION:A communication port 13a is formed between an influx port 15 a...
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JP2974166B2 |
PURPOSE:To reduce the vibration exciting force applied to a swash plate, etc., and suppress increase of the rate of pulsation by reserving a larger gap than a communication port between a discharge port and a suction port formed in d dis...
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JP2974163B2 |
PURPOSE:To make graduate oil pressure change in a cylinder hole mating with each plunger, and suppress change in the moment around a swash plate inclining shaft and also the thrust synthesized load. CONSTITUTION:A distribution valve plat...
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JPH11257460A |
To provide a noble hydraulic type power transmission device employing no variable vane and having a comparatively simple structure. A drive input part 3, consisting of outside rotary bodies 32 and 52 and inside rotary bodies 39 and 59, a...
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JPH11235932A |
To perform high speed travel and speed change control by a compact device by providing an electric motor to drive a hydraulic pump of an HST, and constituting so as to transmit output of a hydraulic motor of the HST to a driving wheel in...
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JP2925621B2 |
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JP2920772B2 |
PURPOSE:To increase the capacity of a hydraulic motor by forming the respective cylinder holes of a motor cylinder larger in diameter than those of a pump cylinder as well as forming the cylinder hole group of the motor cylinder larger i...
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JPH11190412A |
To eliminate a sliding surface pressing-down thrust possessed by an axial seal or to reduce the thrust up to a microscopic residual value by reducing a leakage loss by clearance by forming the seal sliding surface as the axial seal capab...
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JPH11173400A |
To reduce a weight of HST by forming a reinforcing rib on an outer face of a case rationally, reducing a wall thickness of the case without reducing the strength thereof, and reducing a weight of a casing which is heavy. Hole parts 18, 1...
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JP2893553B2 |
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