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8172714 |
Speed changing transmission apparatus
A composite planetary transmission section (P) is provided for synthesizing output from a stepless speed changing section (20) with an engine drive force. In a transmission line from the planetary...
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8170762 |
Method and apparatus to control operation of a hydraulic pump for an electro-mechanical transmission
A method for controlling a hydraulic flow within a powertrain comprising an electromechanical transmission mechanically-operatively coupled to an engine adapted to selectively transmit power to an...
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8142319 |
Transmission system
A sun gear of a first planetary gear train is connected to an input shaft. A carrier 9 of the first planetary gear train is connected to a sun gear of a second planetary gear train and to a first...
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7993230 |
Dual path hydromechanical powertrain
A hydromechanical powertrain for a ground vehicle. The powertrain, more specifically a transmission, includes an input shaft that is coupled to a rotational power source and an output shaft that is...
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7988580 |
Continuously variable transmission
A continuously variable transmission that is highly suitable for use in a large car or light truck vehicle is provided.
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7972238 |
Working vehicle
In a working vehicle, a control unit is configured to control an engine based on an engine power curve indicating a relationship between an engine speed and an engine output torque. The control...
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7901314 |
Transmission system for pump drive
A transmission system for use in a pump system comprising a prime mover driving a pump, the transmission system comprising: an epicylic gear system comprising a sun gear and a ring gear, and a...
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7896768 |
Drive assembly for an operating unit of an agricultural implement or an agricultural machine
A drive assembly for an operating unit (9) of an agricultural implement or an agricultural machine has a clutch (4) with an input (34). The input (34) is mechanically and drivingly connected to a...
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7846052 |
Self-propelled agricultural harvesting machine having two internal combustion engines
A self-propelled harvesting machine is provided that has operating devices to take-up and/or process harvested crop, which can be driven by means of a drive belt, that can be driven by a belt...
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7848858 |
Vehicular drive system
Vehicular drive system which is small-sized and/or improved in its fuel economy. A power distributing mechanism 16, which is provided with a differential-state switching device in the form of a...
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7744499 |
Hydro-mechanical transmission
A hydro-mechanical transmission system. The system includes an engine having a drive shaft that extends into and supplies power to a gear box having a first and second planetary gear set, wherein...
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7588509 |
Infinitely variable gear transmission with parallel hydraulic ratio control
Two parallel planetary gear sets with a common sun gear output are geared to a hydraulic pump and motor system. Input is applied to both planetary gear sets in parallel. Output is from both...
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7559865 |
Transmission apparatus for a working vehicle
A working vehicle comprises: a power source having an output shaft; axles; a cargo deck; and a transmission apparatus for driving axles disposed below the cargo deck. The transmission apparatus...
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7465245 |
Hydromechanical transmission for agricultural tractors
The transmission comprises: an input shaft coupled to a prime mover of the tractor; an output shaft; a hydrostatic unit including a pump driven by the prime mover shaft and a motor driven by the...
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7428456 |
Active combine rotor deceleration
A system and method for actively decelerating a combine rotor is provided. The system includes an electronic control system configured to disengage the combine rotor from an engine, to brake the...
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7416502 |
Hydrostatic mechanical power-split transmission
A hydrostatic mechanical power-split transmission with a continuously variable gear ratio comprises a hydrostatic transmission part (1) consisting of a first hydrostatic unit (13) with an...
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7381144 |
Gearbox assembly with gearbox means for speed overlap
A gearbox assembly, in particular for a wheel drive of a vehicle with a hydrostatic gearbox having, according to a first driving mode, the sun gear of the single planetary stage in effective...
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7357745 |
Travel working machine
A travel working machine includes a traveling body 2 supported by traveling contrivances such as wheels 3, 4 and provided with an engine 5, a transmission case 8 mounted to the traveling body, and...
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7354369 |
Working vehicle
In a working vehicle, a variable output HST and a planetary gear unit are connected with an engine, which is supported on a vehicle frame closer to a first side of a fore and aft direction of the...
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7354368 |
Method and means for shifting a hydromechanical transmission
A method for achieving high quality shifts with one hydraulic unit near zero displacement when using dog clutches. This method includes selecting the proper displacement and vocation (whether the...
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7335125 |
Continuously variable transmission
The present invention has a dual sun planetary gearset, as well as a dog clutch or other type of shifting device, which allows for the hydrostatic unit to operate in a reverse direction in similar...
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7241242 |
Two-mode compound-split hydraulic continuously variable transmission
A two-mode compound-split hydro-mechanical powertrain employs a hydro-mechanical continuously variable transmission having two hydraulic units, at least two torque-transmitting mechanisms, and a...
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7207916 |
Transmission for power take-off
A PTO transmission transmits power from an engine-driven shaft to a PTO shaft. The transmission includes a variable displacement hydraulic pump driven by the engine-driven shaft. A planetary...
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7168997 |
Boat propulsion system
A boat propulsion system interposed between a prime mover and a propeller shaft comprises a hydro-mechanical transmission including a hydrostatic transmission part and a gear transmission part. The...
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7074149 |
Transmission for wheel type working vehicle
A transmission for a wheel type working vehicle which makes it possible to reduce a size of a transmission mechanism for transmitting a mechanical driving force and a hydraulic driving force from...
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6997838 |
Parallel hydromechanical underdrive transmission
An axial piston pump and an axial piston motor, mounted in a housing each have a rotating element and a non-rotating element. Each non-rotating element is mounted for tilting movement about axes...
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6984172 |
Dual power path drive for a rotating threshing rotor of an agricultural combine and method for decelerating the rotor
A dual power path drive and method for controllably decelerating the rotor or rotors of an agricultural combine in reduced time, without causing undesirable wear, shock and energy transfer to other...
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6939261 |
Compact vehicle transmission
A small engine transmission having a hydromechanical transmission unit providing a first power path, and a mechanical power transmission unit providing a second power path. The mechanical power...
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6880429 |
Transmission assembly
A transmission assembly includes a housing, an input shaft driveably engaged with a drive source and being rotatably supported in the housing, and an output shaft rotatably supported in the...
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6821226 |
Method for controlling the shifting sequence of a continuous automatic transmission, especially a motor vehicle, comprising gear step changeovers
The method serves for the shift sequence control of a continuous automatic transmission, especially of a motor vehicle, having gear-stage switchover. The transmission ratio of the automatic...
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6692395 |
Transmisson for power take-off
A PTO transmission includes a split power transmission unit having an output member connected to a PTO shaft, a first input connected to an engine output shaft and a second input connected the...
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6663525 |
Hydro-mechanical transmission with automatic braking capability and method of operation
The transmission includes a planetary gear arrangement having a rotatable output, a first rotatable input connected to an output of a fluid motor, and a second rotatable input connected to a clutch...
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6651529 |
Hydrostatic transmission
A hydrostatic transmission mountable to a vehicle frame. The hydrostatic transmission is adapted to removeably receive an axle shaft. The hydrostatic transmission is also adapted to be mounted to...
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6645106 |
Transmission for performing reliable continuously-variable-speed operation through gear meshing, and vehicle-use continuously-variable transmission device using it
A transmission for performing a reliable continuously-variable-speed operation by using gear meshing with a minimized power loss, and a vehicle-use continuously-variable transmission device that...
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6569049 |
Radial piston hydromechanical continuously variable transmission
A continuously variable power transmission has a fixed mounting plinth, by which the transmission is mounted to a fixed structure, and an output shaft, to which an output device can be connected. A...
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6533694 |
Hydro mechanical transmission planetary carrier support system
In a hydro-mechanical transmission having a hydrostatic unit and a mechanical gear train, the hydrostatic unit is resiliently mounted in the transmission housing to reduce the transmission of noise...
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6450912 |
Hydromechanical transmission having a continuously variable transmission ratio
A transmission comprises: an input shaft intended to be coupled to a motor; an output shaft; an epicyclic reduction unit with an input sun wheel, a ring gear and first and second output shafts...
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6358174 |
Hydraulic machine
A hydromechanical transmission has an operating assembly including an input hydrostatic unit (50) and an output hydrostatic unit (60), each having a rotating cylinder (180, 182) and piston element...
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RE37458 |
Hydro-mechanical transmission
A hydro-mechanical transmission for an agricultural work vehicle is provided including a motor, a clutch and a differential assembly. The clutch which is rotatably supported by a housing includes...
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6315691 |
Toothed selector clutch
A toothed selector clutch is provided to operate in a hydrostatic/mechanical, split-torque power-shift transmission comprising a four-shaft epicyclic-gearwheel transmission and an infinitely...
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6283883 |
Power transmission system
A power transmission system includes a rotatable and drivable first shaft (1a) adapted for co-action with a motor (1c) included in a planetary gear arrangement (P), and further includes a second...
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6247295 |
Hydro-mechanical transmission system for an agricultural combine
The invention consists of an engine driving a wet clutch and hydrostatic pump and connected hydrostatic motor. The output of the motor drives the sun gear of a hydro-mechanical planetary drive and...
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6203463 |
Transmission with variable ratio utilizing three planetaries, five members, a variable speed pump, and a variable speed motor and associated method for operatively connecting components associated therewith
A transmission and an associated method for operatively connecting components associated therewith include a hydrostatic transmission, a mechanical transmission having a planetary gearing...
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6151990 |
Hydrostatic transaxle having a casing split along one or more vertical planes
A fully integrated hydrostatic transaxle formed of three housing members, a hydrostatic transmission and axle housing member joined to a differential housing member along a vertical plane and...
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6106427 |
Continuously variable transmission
The invention is based on a continuously variable transmission comprising a mechanical power branch and an electronically controlled hydraulic power branch which can be adjusted via a swash plate...
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6086501 |
Hydro-mechanical transmission
A hydro-mechanical transmission (2) with a simple construction and which can make full use of its advantages is provided. In a hydro-mechanical transmission in which a hydraulic power transmitting...
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6080074 |
Process for precise adjustment of a hydrostatic and mechanical torque division gearing
A hydrostatic/mechanical multiple path power transmission comprises an adjustable hydrostat unit (4), a summing planetary gearbox (10) with two input shafts (6, 8) and at least two output shafts,...
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6056657 |
Control strategy for optimizing multi-range hydro-mechanical transmission
An improved method and system for operating a hydro-mechanical transmission includes varying the engine speed to achieve optimum efficiency. The engine speed and the speed of the hydraulic motor...
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6042496 |
Hydrostatic-mechanical power distribution transmission
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6039666 |
Hydraulic and mechanical transmission apparatus
A power of an input shaft driven by an engine is divided by a power dividing device and transmitted to first and second output shafts and a hydraulic pump of a hydrostatic continuously variable...
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