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| Number | Title | Issue Date |
| 8181731 | Drive train for work vehicle A drive train for a work vehicle comprises: an engine mounted to a vehicle body such that an output shaft of the engine extends in a lateral direction of the vehicle body; a hydrostatic transmission having a pump shaft, a motor shaft, and a housing, the hydrostatic ... | 05/22/2012 |
| 8167077 | Wheeled work machine A wheel type work machine having improved ease of assembly and a compact-sized traveling system power transmission mechanism. The wheeled work machine comprises a traveling body (2) having an engine (7) mounted at the rear of a machine frame (6)... | 05/01/2012 |
| 8162094 | Hydraulic hybrid vehicle with large-ratio shift transmission and method of operation thereof A vehicle includes an internal combustion engine configured to power a hydraulic pump to pressurize hydraulic fluid, which is used to power the vehicle directly or is stored in an accumulator. A drive module, including a hydraulic pump/motor and a multi-speed mechan... | 04/24/2012 |
| 8118132 | Hydraulic hybrid vehicle method of safe operation A hydraulic hybrid vehicle includes elements such as a hydraulic pump driven by an internal combustion engine and arranged to draw in low pressure fluid and pump the fluid at high pressure to an accumulator. A hydraulic motor is powered by the pressurized fluid. Saf... | 02/21/2012 |
| 8109356 | Auxiliary hydraulic flow control system for a small loader A vehicle having an auxiliary power system for supplying power to an implement is disclosed. The power system includes a power enablement device having an enablement component that allows or prevents supplying power to the implement, and an auxiliary actuator operab... | 02/07/2012 |
| 8109357 | Method and apparatus for liquid driven turbine engine for vehicles Method and apparatus for a propulsion system for a vehicle or the like having a two part turbine system comprising a main turbine portion for driving the vehicle drive train and a smaller, accessory turbine system to provide auxiliary power for other components of t... | 02/07/2012 |
| 8066090 | Hydraulic pressure control device of an automatic transmission and hybrid drive device having the hydraulic pressure control device A hydraulic control apparatus for an automatic transmission includes a forward travel engaging element, a reverse travel engaging element, a first signal electromagnetic valve, a first switching valve, and a second switching valve. The hydraulic control apparatus is... | 11/29/2011 |
| 7987940 | Hydraulic accumulator and fire suppression system A hydraulic pressure accumulator has an interior chamber containing a fire-suppressing gas such as nitrogen. The fire-suppressing gas in the accumulator is fluidly connected to a thermal device, such as a valve with a thermal fuse or a controlled valve triggered by ... | 08/02/2011 |
| 7980351 | Hydraulic transaxle A transaxle (1), having a hydraulic drive unit (20) and a pair of left and right wheel support units (2L and 2R), is suspended from a vehicle frame so as to be turnable around a turning-center axis oriented in a fore-and-aft direction of ... | 07/19/2011 |
| 7900737 | Working vehicle There is provided a power transmission device for a working vehicle, in which a drive takeoff shaft for front wheels can be easily mounted on or dismounted from a transmission case and hence the workability of assembly, maintenance, and the like can be improved but ... | 03/08/2011 |
| 7896123 | Hydraulic drive vehicle A vehicle includes a first transaxle incorporating a first hydraulic motor for driving a first axle, a pair of second transaxles incorporating respective second hydraulic motors for driving respective second axles, and a pump housing separated from the first transax... | 03/01/2011 |
| 7857089 | Adjustable pump control linkage for pump driven vehicle The effective length of pump control linkage assembly of a pump-driven vehicle such as a zero-turn lawnmower can be adjusted without directly manipulating a rod or similar member forming the major length of the assembly. The length instead can be adjusted from above... | 12/28/2010 |
| 7849951 | Materials handling vehicle having at least one controller coupled to a front wall of a frame A materials handling vehicle is provided comprising a frame including structure for defining an operator compartment and structure for defining a battery compartment; first and second front wheels coupled to the frame; a rear steer wheel assembly coupled to the fram... | 12/14/2010 |
| 7841442 | Hydrostatic transmission A hydrostatic transmission that is operated in an open loop by way of an adjustable hydraulic motor (5), which is adjusted for the purpose of acceleration or deceleration with the aid of an electronic control unit (8) such that a desired vehicle speed ... | 11/30/2010 |
| 7762371 | Pump unit and hydrostatic transmission There is provided a pump unit configured to be capable of transmitting a rotational per from a driving power source which is operatively connected thereto to an actuator through a pair of hydraulic fluid lines. The pump unit includes: an input shaft; a hydraulic pum... | 07/27/2010 |
| 7708104 | Hydraulic pump unit, hydraulic pump set, and working vehicle There is provided a working vehicle having first and second hydraulic pump units operatively driven by a driving source and arranged away to each other in a width direction of the vehicle. In the working vehicle, each of the first and second hydraulic pump units inc... | 05/04/2010 |
| 7677350 | Construction vehicle The construction vehicle includes an engine, an accelerator pedal, a main pump configured to be driven by the engine, first and second traveling motors driven by pressured oil discharged from the main pump to generate driving force for traveling, a driving shaft con... | 03/16/2010 |
| 7650958 | Traction drive having an electrical converter The invention relates to a traction drive for a working machine, in particular an industrial truck, including an electrical converter having a generator (11), which is drive-connected to a combustion engine (12), and a traction motor (1 or 2 | 01/26/2010 |
| 7614474 | Energy conversion apparatus for wheeled vehicles Taught is an apparatus for converting energy in a wheeled vehicle, comprising a wheel rim; a tire; and a plurality of hydraulic plunger cylinders alternatively distributed on periphery of the wheel rim. ... | 11/10/2009 |
| 7610986 | HST unit There is provided an HST unit including: a first hydraulic motor unit for operatively driving one of a pair of driving wheels; a second hydraulic motor unit for operatively driving the other one of the pair of driving wheels; a hydraulic pump unit operatively connec... | 11/03/2009 |
| 7610985 | HST unit An HST unit includes a first hydraulic motor unit for operatively driving one of a pair of driving wheels; a second hydraulic motor unit for operatively driving the other one of the pair of driving wheels; a hydraulic pump unit operatively connected to a driving pow... | 11/03/2009 |
| 7597172 | Gear box for hydraulic energy recovery A hydraulic energy recovery and a mechanical drive system in one unit that also provides integral mounting of hydraulic pump/motors for primary drive, secondary drive, and pumps for cooling, lubrication, and low pressure systems along with a mounting position for a ... | 10/06/2009 |
| 7588119 | Hydrostatic retarder pump and motor The apparatus of the present invention includes a hydrostatic retarder pump and motor. The apparatus includes a housing rotatably supporting a shaft. The shaft includes a first eccentric portion and a second eccentric portion. A plurality of pistons are disposed wit... | 09/15/2009 |
| 7565943 | Mobile machine with an electric traction motor of a traction drive, an electric pump motor of a hydraulic work system, and fluid cooling A mobile machine, such as an industrial truck, has heat-emitting drive components (K) of a traction drive and a hydraulic work system. The traction drive includes at least one electric traction motor (3) and a traction motor control system (7). The hyd... | 07/28/2009 |
| 7556120 | Method and apparatus to control hydraulic pressure in an electro-mechanical transmission The invention comprises a method, an article, and a control system for controlling a powertrain having a main and an auxiliary hydraulic pump, with each pump operative to supply hydraulic fluid to a hydraulic circuit of the transmission. It includes determining a ma... | 07/07/2009 |
| 7537078 | Axle driving apparatus An axle driving apparatus which has a housing and a hydrostatic transmission therein separate from the housing with fluid conduits in a center section connected to hydrostatic rotatable cylinder blocks operatively connected to axle shafts, the improvement involving ... | 05/26/2009 |
| 7503418 | Pressurized fluid-based power system for devices, such as vehicle drivetrains A power system for a vehicle drivetrain including a cylinder, first and second pistons, and a pressure source. The cylinder defines a central bore, a first inlet adjacent a first end, and a second inlet adjacent a second end. The pistons are coaxially disposed withi... | 03/17/2009 |
| 7458438 | Working vehicle with a speed maintaining apparatus A working vehicle with a speed maintaining apparatus having a plurality of wheels including at least one driven wheel; a vehicle body supported by the plurality of wheels; an engine supported by the vehicle body; a stepless transmission driven by the engine and capa... | 12/02/2008 |
| 7445077 | Axle driving unit for a lawn tractor An axle driving apparatus for a vehicle includes an axle, a vertical pump shaft, a hydraulic pump having a movable swash plate, a pair of trunnion shafts provided coaxially at respective opposite sides of the movable swash plate, a hydraulic motor having a motor sha... | 11/04/2008 |
| 7434651 | Axle driving unit for a lawn tractor An axle driving apparatus includes a housing for supporting an axle, a hydrostatic transmission including a hydraulic pump, a hydraulic motor, and a center section. The center section has a pump mounting surface and a motor mounting surface substantially perpendicul... | 10/14/2008 |
| 7431122 | Hydraulic axle-drive device A transaxle (1), having a hydraulic drive unit (20) and a pair of left and right wheel support units (2L and 2R), is suspended from a vehicle frame so as to be turnable around a turning-center axis oriented in a fore-and-aft direction of ... | 10/07/2008 |
| 7431124 | Hydraulic transmission assembly The present disclosure relates to a hydraulic transmission assembly for a ground vehicle comprises a pump unit and a hydraulic motor assembly connected to the pump unit. The pump unit includes a driven shaft configured to operably connect to a motor of the ground ve... | 10/07/2008 |
| 7416045 | Dual hydraulic machine transmission The modular transmission uses only a pair of small and light hydraulic machines of remarkably improved volumetric efficiency with pistons having body portions substantially as long as the axial length of the respective cylinders in which they reciprocate. The two hy... | 08/26/2008 |
| 7407030 | Pump system and axle-driving system A pump system includes a housing, an input shaft, a pump shaft; a hydraulic pump body, a PTO shaft, a power transmission gear train, and a PTO clutch mechanism. The housing has a narrow gear accommodating space surrounding a region including a mesh point between the... | 08/05/2008 |
| 7377353 | Four wheel traction control valve system A hydrostatic propulsion system includes a hydrostatic circuit fluidly connecting left front and right front motors in parallel with an outlet of a pump, left rear and right rear motors in parallel with an inlet of the pump, left front motor and right rear motor in ... | 05/27/2008 |
| 7377354 | Four wheel traction control valve system A hydrostatic propulsion system includes a hydrostatic circuit fluidly connecting left front and right front motors in parallel with an outlet of a pump, left rear and right rear motors in parallel with an inlet of the pump, left front motor and right rear motor in ... | 05/27/2008 |
| 7370714 | Power-dividing device and axle-driving device for a working vehicle A power-dividing device for a working vehicle includes a case member, an input shaft supported by the case member so that a first end portion of the input shaft can be operatively connected to a driving source, a PTO unit having a PTO shaft supported by the case mem... | 05/13/2008 |
| 7363759 | Hydraulic transaxle apparatus for a four-wheel-drive vehicle and four-wheel-drive vehicle using the apparatus An articulated vehicle with a working device has a first frame having a prime mover mounted thereon and supporting a first transaxle apparatus. The first transaxle apparatus includes an input shaft receiving power from the prime mover, a pair of first axles, and a h... | 04/29/2008 |
| 7357213 | Starter with electric oil pump for hybrid vehicle The present invention provides a hybrid vehicle, which has both the function of supplying hydraulic oil to a transmission when the idle operation of an engine is stopped, and the function of providing start force when the engine is cold started, thus reducing space ... | 04/15/2008 |
| 7353904 | Steerable primary axle A steerable primary axle for a fairway mower or other machine includes a pair of motors mounted in fixed positions on opposing ends of an axle. The mechanical drive system includes a pair of input shafts having input bevel gears, a pair of output shafts with output ... | 04/08/2008 |
