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WO/1988/000297A1 |
A fluid powered motor-generator apparatus includes a generator (19) having a power output (21) and a mechanically driven input (20). A generally streamlined motor body (11) is rotatably mounted to drive the generator input (20) and inclu...
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WO/1987/000895A1 |
A fluid power system (10) comprising a fluid pump (13, 14) and an impulse turbine (22) operating in the incompressible domain wherein the pump is characterized by a pressure versus flow curve that is inversely interdependent and by a pre...
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WO/1986/006450A1 |
An apparatus (10) for deriving energy from the rise and fall of body fluid (12) consisting of a float (14) adapted to move substantially in a vertical plane in response to the rise and fall of the body of liquid (12), a cylinder (42) hav...
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WO/1986/005245A1 |
A load sensing circuit of a load responsive direction control valve (16A) including a device (55A) for sensing load pressure signals, identifying those load pressure signals as positive or negative and transmitting those identified posit...
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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/1980/000591A1 |
A gear machine comprises two helical gears (1, 2) in mutual mesh for compressing or pumping a fluid. The suction side of the machine can be made conventionally. The outlet port (4) of the machine is made as a plurality of holes (14), ext...
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JP2021089031A |
To provide a rotating body fastening mechanism capable of suppressing friction loss small in fastening and non-fastening states, and a power transmission device for vehicles capable of suppressing power loss small to improve fuel economy...
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JP2020147155A |
To supply oil to a hydraulic clutch sufficiently.A drive shaft of a hybrid vehicle includes: an output shaft 11 which is rotated by driving force from an internal combustion engine; and an input shaft 31 which is rotated by driving force...
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JP2019190482A |
To improve a lock characteristic of an auto-lock mechanism at a hydraulic power transmission coupling to reduce shock at the time of locking.The hydraulic power transmission coupling comprises: a housing 12 connected to an output shaft 1...
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JP5443235B2 |
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JP2013511678A |
An example includes a hydraulically controllable coupling to couple a rotating input and to an output to rotate, or to decouple the input and the output, with coupling and decoupling modes selected by switching a hydraulic device such as...
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JP5149621B2 |
A machine and system for power generation through movement of water having an array of power generating cells electrically interconnected, where the array is configured in an interchangeable modular fashion and the cells are positioned t...
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JP5115514B2 |
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JP5109844B2 |
To provide a piston pump with a variable pump capacity and reduced in size of a device. The piston pump 7 includes an outer race 13 rotatably provided around an axis Ax and having a cam face 15, and an inner race 15 provided rotatable re...
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JP4945903B2 |
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JP4910430B2 |
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JP4900108B2 |
To provide a fluid device in which the followability of a piston to a cam surface is improved. This piston fluid device comprises an outer race 18 and an inner race 25 rotatable relative to each other, a cam 22 formed on the outer race 1...
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JP4900109B2 |
To provide a radial piston pump capable of changing a liquid capacity. In the radial piston pump provided with a first member 9 and a second member 8 provided in a manner relatively rotatable around a rotation axis A1, first cams 118, 12...
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JP2011252559A |
To achieve a temperature lock function and an initial torque-up function in the same unit.The hydraulic power transmission joint includes an oil low-pressure chamber where a rotational speed difference is generated between an input shaft...
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JP4838726B2 |
A pressurized hydraulic fluid system includes a charge pump, a hydraulic motor drivingly coupled to the charge pump, and a main hydraulic unit adapted to function as a pump to drive the hydraulic motor. The charge pump is in fluid commun...
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JP4800457B2 |
The invention relates to a hydraulic delivery device with a displacement unit which delivers a medium from a suction connection under output pressure to a pressure connection, connectable with a consumer, and under consumer pressure, and...
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JP4791446B2 |
A hydraulic service module is provided for a hydraulic fluid system, which includes a fluid reservoir for storing an appropriate amount of a hydraulic fluid. The hydraulic service module comprises an outer casing defining an enclosure th...
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JP4787940B2 |
A hydrostatic transmission comprising a housing formed with a fluid sump, a center section disposed within the fluid sump, a hydraulic pump mounted on the center section, and a hydraulic motor mounted on the center section. A fluid passa...
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JP4788206B2 |
To provide an oil pump device capable of arbitrarily controlling at least one of the flow and pressure of an oil in a hydraulic circuit 6 when the oil in the hydraulic circuit is discharged into a discharged oil passage via a valve. This...
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JP4756323B2 |
A control valve assembly (43) for use in a system in which a pump-motor unit (35) can either receive drive torque from a drive-line (17) or transmit torque thereto. The system includes a high pressure accumulator (41) and the control val...
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JP2011512491A |
A retard device (100, 100′) for a hybrid system (2) is provided. The retard device (100, 100′) includes a housing (102, 102′) having a first end (104, 104′) and a second end (106, 106′). The first end (104, 104) has a system in...
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JP4661565B2 |
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JP4661564B2 |
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JP4651031B2 |
The invention relates to a hydraulic delivery device with a displacement unit which delivers a medium from a suction connection under output pressure to a pressure connection, connectable with a consumer, and under consumer pressure, and...
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JP4651907B2 |
A method for controlling a fluid system is provided. The system may include a hydraulic circuit having a pump driven by an engine, wherein the pump delivers fluid to an actuator through a valve assembly. The method may include receiving ...
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JP4633306B2 |
An arrangement structure of a swash plate hydraulic pump which can be used in a wide range of construction equipment and industrial vehicles and is small in size, simple in structure, and inexpensive is provided. For this purpose, an arr...
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JP4603697B2 |
A hydraulic control arrangement for operating a winch with an adjustable hydraulic motor in the easing, hoisting and mooring modes. The arrangement comprises a pilot controller with a control lever which can be actuated as desired and ca...
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JP4542819B2 |
In a hydraulic machine, hydraulic pump failure is detected and the pump lifespan is estimated before the pump failure occurs. The discharge pressure 122 , oil temperature 126 , and drain filter differential pressure 120 are measured, a c...
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JP2010529374A |
The invention relates to a torque transmission device, especially for the drive train of a motor vehicle, said device comprising a pump comprising a first pump part, a second pump part, a suction chamber and a pressure chamber, the first...
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JP4532069B2 |
A hydraulic system is provided. The hydraulic system includes a a hydraulic actuator, a source of pressurized fluid, and a directional control valve controlling fluid flow into and out of the hydraulic actuator. An accumulator is dispose...
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JP4527372B2 |
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JP4511759B2 |
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JP4496855B2 |
To provide a power transmission device for increasing torque to be transmitted to wheels by using oil discharged from an oil pump. The power transmission device comprises first rotating members 6, 8 and second rotating members 2, 9 conne...
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JP2010514993A |
In the basic embodiment, the transmission includes (a) a minimal-orbiter gear complex having only a control gear and an output gear interconnected by the gearing portions of at least one cluster gear supported by an orbiting web responsi...
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JP4439287B2 |
A cooling system for use in a work machine is provided, in which an increase in the load imposed on a fan driving circuit and occurrence of abnormal noise can be prevented without fail by means of an inexpensive arrangement at the time o...
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JP2010060109A |
To provide a power transmission device automatically and promptly increasing torque transmitted as a difference of rotational frequency between a first rotating member and a second rotating member increases without using external power.T...
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JP4420336B2 |
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JP2009293782A |
To provide a power transmission device can restrain an increase in pump capacity, when increasing torque transmitted to a first power transmission member from a power source.This power transmission device includes relatively rotatably ar...
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JP4386508B2 |
An overtop position is to be established in a hydrostatic type continuously variable transmission, and an increase of the maximum speed and the maintenance of power performance are to be made compatible with each other. In a hydrostatic ...
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JP4381528B2 |
An engine crankshaft 2 and a wheel drive shaft 5 are connected through a static hydraulic infinitely variable transmission 3. The static hydraulic infinitely variable transmission 3 has a hydraulic pump 20 extending to an engine side of ...
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JP4378627B2 |
In an air servo cylinder formed by integrally combining an air cylinder, servo valves, and a controller via a manifold block, there are provided, in the manifold block, air discharge flow paths for releasing, to the outside, compressed a...
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JP4375672B2 |
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JP4371536B2 |
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JP4341803B2 |
A loop flushing circuit for a hydrostatic transmission module includes a three position, three port pilot pressure operated loop flushing valve having a first inlet port fluidly connected to the first system pressure line, a second inlet...
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JP2009127483A |
To provide a piston pump capable of varying delivery capacity, while restraining enlargement of a device.This piston pump 7 has an outer race 15 rotatably arranged around the axis Ax and having a cam surface 51, and an inner race 13 rela...
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