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WO/1996/031715A1 |
A continuously variable hydrostatic transmission includes an input shaft connected to drive a hydraulic pump unit, a grounded hydraulic motor unit, and an output shaft. A wedge-shaped swashplate is pivotally mounted to the output shaft i...
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WO/1996/030673A1 |
A hydrostatic transmission (10) includes wedge-shaped swashplate (54) operatively positioned between a hydraulic pump unit (28) driven by an input shaft (14) and a grounded hydraulic motor unit (40) to accomodate pumped exchanges of hydr...
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WO/1996/023993A1 |
A continuously variable hydrostatic transmission includes an input shaft (14) connected to drive a hydraulic pump unit (18), a grounded hydraulic motor unit (20), and an output shaft (16). A wedge-shaped swashplate (22) is pivotally moun...
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WO/1996/023992A1 |
To control the transmission ratio of a continuously variable hydrostatic transmission including an input shaft (14), an output shaft (16), a pump unit (18) driven by the input shaft (14), a grounded motor unit (20), and a wedge-shaped sw...
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WO/1996/016283A1 |
A continuously variable hydrostatic transmission (10) includes an input shaft (14) connected to drive a hydraulic pump unit (18), a grounded hydraulic motor unit (20), and an output shaft (16). A wedge-shaped swashplate (22) is pivotally...
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WO/1996/014523A2 |
A continuously variable hydrostatic transmission (10) includes an input shaft (14) connected to drive a hydraulic pump unit (18), a grounded hydraulic motor unit (20), and an output shaft. A wedge-shaped swashplate is pivotally mounted t...
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WO/1996/014524A1 |
It comprises an integral block of a variator assembly which includes a hydropump cylinder (29), a hydromotor cylinder (39), the end-plates (30, 55) and a intermediary plate (38, 43) with ports for the fluid from the hydropump to the hydr...
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WO/1996/000865A1 |
An automatic, Inertial, Continuously Variable, Hydrostatic Transmission (C.V.T.) for motor vehicles, comprises a pair of reversible vane pump/motor (A, B) units, connected in a closed circuit. The vane pump/motor (A, B) units, are of the...
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WO/1995/018318A1 |
A continuously variable hydraulic differential transmission comprises two hydraulic mechanisms (1, 2). The cylinder block (15) of the non-adjustable hydraulic mechanism (2) is mounted on an input shaft (5) on at least one bearing (16) in...
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WO/1995/006830A1 |
The invention relates to a hydrostatic drive with a hydraulic pump (1) and an adjustable hydraulic motor (2) which is connected to a first and second working line (10, 14), of which at least the first (13) leads to the hydraulic pump, an...
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WO/1994/029618A1 |
The object of this invention is to distribute the power of an input shaft (18) continuously variable to two output shafts (15, 16) using a simple construction. The invention involves two output shafts, that are each connected to one of t...
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WO/1993/016301A1 |
This invention concerns a heat-free drive with a stepless transmission ratio which consists of a hydraulic pump (4) and a hydraulic motor (5) which are interconnected so that the suction side of the hydraulic pump (4) is connected to the...
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WO/1993/013337A1 |
An infinitely variable differential hydrostatic transmission utilizing a fixed displacement pump/motor and a variable displacement pump/motor interconnected with appropriate valving, to provide a mechanical/hydraulic differential drive w...
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WO/1992/012357A1 |
A continuously variable transmission includes a pump (258) driven by an input shaft (256) against a wedge-shaped swashplate (260). Hydraulic fluid pressurized in the pump flows through ports (402) in a pump cylinder block (422) into kidn...
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WO/1991/013274A1 |
The device consists of two hydraulic pumps/motors with adjustable displacement (1 and 2) connected in a closed hydraulic system. The system includes oil accumulators on each side of the hydraulic pumps/motors with adjustable displacement...
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WO/1990/004101A1 |
This invention relates to a variable capacitance, oblique spindle type hydraulic machine which supports the reaction of oil pressure acting on a cylinder block (8) by a radial static pressure bearing (23) or by a thrust static pressure b...
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WO/1989/005923A1 |
A hydraulic differential having a pair of axial piston displacement units (20, 22), with one (22) being a fixed displacement unit and the other (20) being a variable displacement unit, and having flow-directing valve (50) and port (46) p...
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WO/1986/004306A1 |
Hydrostatic drive system for a slip-steered vehicle (1), comprising two controllable hydraulic pumps (2, 3), which are preferably mounted on one and the same driven shaft, a pair of hydraulic motors (5, 6; 7, 8) at each side of the vehic...
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WO/1984/001804A1 |
The transmission comprises a hollow input member (1) and a coaxial output member (2) supported for rotation relative to the input member. A positive displacement pump comprises a cylinder block (12) secured to the input member and a roto...
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WO/1984/000409A1 |
A transmission case containing a sunk hydromotor (1) and an annular chamber (4) traversed under pressure by a liquid has the double function of being both an oil cooler and a collector for the outer pumps (24). The working fluid coming o...
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WO/1983/001096A1 |
The disclosed drive unit (10) includes an input shaft (90) and an output shaft (20). An inner axial face cam (92) is attached to the input shaft (90), and a cylinder block (40) which defines an outer ring of cylinders and an inner ring o...
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WO/1981/001729A1 |
A pump having unloading means associated therewith repetitively unloading same. The pump may be of the rotary positive displacement type with the unloading means taking the form of circumferentially extending pressure relief recesses (12...
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WO/1980/001401A1 |
An improved hydraulic pump structure for hydraulic systems which require a plurality of rotary pumps has a pump casing assembly (20) consisting of a plurality of pump casing elements (23-29) which are fastened together in abutting relati...
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JP7374761B2 |
To provide a static hydraulic type transmission which can miniaturize the size in a direction orthogonal to an array direction of a hydraulic pump and a hydraulic motor.A hydraulic pump 2 and a hydraulic motor 3 are arrayed vertically, a...
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JP7307937B2 |
An HST (100A-100C) of the present invention includes a main plate (160A-160C) and a sub-plate (170A-170C) supporting a center section (150A-150C), a pump-side swash plate holder (125A-125C) and a motor-side swash plate holder (145A-145C)...
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JP2023519595A |
A hydraulic piston (1) having a decompression groove is translatable in a cylinder (2) and comprises a fixed skirt (3), an axial compression surface (4) forming with the cylinder (2) and a fluid chamber ( 5) and an axial working surface ...
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JP7257040B2 |
To provide a power work machine having transmission means for eliminating a difference in the number of shafts between a power generating side and a power using side.A chainsaw 30 as a power work machine comprises an engine 10 as power g...
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JP2023026276A |
To provide a continuously variable transmission structure enabling both a single transmission operation member to perform tilting operation of both a pump volume adjustment device and a motor volume adjustment device while simplifying an...
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JP7187567B2 |
Disclosed are a wave power generation system for generating electrical energy by means of a hydraulic circuit, and a method for controlling same. The wave power generation system comprises a hydraulic motor for storing motion energy in a...
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JP2022156638A |
To provide a hydraulic/mechanical stepless gear shift device capable of small-sizing a case in which an HST and a planetary gear mechanism accommodated in a housing are stored.A hydraulic/mechanical stepless gear shift device comprises: ...
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JP7130762B2 |
Disclosed are a wave power generation system for generating power by means of a hydraulic circuit, and a method for controlling same. The wave power generation system comprises: a tension transmission member for transmitting motion energ...
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JP2022101186A |
To address to the desire to reduce labor such as maintenance and reduce the cost, while taking advantage of a hydrostatic continuously variable transmission capable of step-less transmission.A harvester comprises a hydrostatic continuous...
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JP7050801B2 |
The invention relates to a continuously variable transmission and a transmission system comprising said continuously variable transmission, wherein the continuously variable transmission comprises a first gear pump and a second gear pump...
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JP6946211B2 |
A second element fixing clutch is switchable between a released state and an engaged state. In the released state, the second element fixing clutch releases a second element of a planetary gear mechanism so that the second element is rot...
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JP6934813B2 |
Hydraulic servo mechanisms 205, 208 for actuating hydraulic continuously variable transmissions 64, 70 are arranged within a continuously variable transmission case 323 so as to be separated to either side of the hydraulic continuously v...
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JP6877468B2 |
A rail vehicle having a vehicle frame supported on on-track undercarriages and a hydraulic drive system powered by a motor. The drive system comprises a hydrodynamic drive associated with a first on-track undercarriage as well as a hydro...
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JP6823127B2 |
To provide a traveling control mechanism and a traveling control method capable of controlling a traveling mechanism in consideration of operation contents of a remote control valve.A traveling control mechanism is provided with remote c...
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JP2021006721A |
To provide a hydraulic mechanical continuously variable transmission, in which there are provided a first distribution valve for opening and closing a pump cylinder with respect to a high pressure chamber and a low pressure chamber and a...
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JP6817130B2 |
To further improve drive efficiency by a simple structure improvement in an opposite slide contact surface of a cylinder block.In a hydraulic system, an oil storage recess part 41 for temporarily storing pressure oil leaking to an opposi...
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JP6801063B1 |
To configure a work vehicle which suppresses an inconvenience that a vehicle body moves at a low speed when a hydraulic clutch is in a disengaged state without inviting a complicated configuration for suppressing rotation. A wet first cl...
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JP2020197234A |
To provide a hydraulic axle drive device that has been further miniaturized than conventional arts.An axle drive device 1 comprises: an HST 3 comprising a center case 31 in which oil passages 32a, 32b for circulating hydraulic oil betwee...
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JP2020197235A |
To provide a hydraulic type transmission that can constitute a hydraulic type axle driving device made smaller than before.An HST 3 comprises an axle driving case 10 forming an oil sump, and a hydraulic pump 39 and a hydraulic motor 33 p...
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JP2020165518A |
To provide a hydraulic gear change device which can shorten an inter-shaft distance between rotating shafts of two hydraulic operation machines which are arranged so that the rotating shafts are parallel with each other, and also can be ...
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JP6685095B2 |
To provide a structure preventing the generation of output of a hydraulic continuously variable transmission at the time of restarting of an engine, even when the engine is stopped while the hydraulic continuously variable transmission i...
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JP2020056450A |
To provide a hydraulic type continuously variable transmission for traveling capable of ensuring stop on slope under high load situation, keeping a stop state on a flat land under a low load situation, and enabling smooth start.An HST 3 ...
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JP2020507041A |
Automobiles or other vehicles have various hydraulic components including hydraulic gearboxes, transmissions, clutches, and brake energy recovery systems. Such hydraulic components complement or replace the traditional mechanical compone...
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JP2020008054A |
To provide an axle driving device which includes a differential mechanism and a differential lock mechanism and enables use of a common side gear in the device.An axle driving device 1 includes a differential mechanism 5 and a differenti...
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JP2020002917A |
To provide a hydrostatic type continuously variable transmission that can be put into a neutral state while restraining increases in size and cost.A hydraulic motor 12 is provided with a separation mechanism 51 for separating a cylinder ...
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JP2020003435A |
To provide a work vehicle capable of detecting a load acting on a power train thereof.A combine 1 provided herein comprises an axle 6 configured to receive power transmitted from an engine, an axle case 7 having the axle 6 inserted there...
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JP2019535963A |
A wind turbine including a turbine rotor (3) having one or more blades, a generator (4), and a drive system (5) that interconnects the turbine rotor (3) and the generator (4). (1). The drive system (5) includes a main gear (6) that is di...
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