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| Number | Title | Issue Date |
| 8043183 | Drive and hydrostatic piston engine with brake energy recovery The invention relates to a hydrostatic piston engine (11) and a drive (1) for recovering brake energy. The drive comprises a driving shaft (4) and a first accumulator (12) for accumulating pressure energy. The first accumulator (12... | 10/25/2011 |
| 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 coupled to a load. A first hydrostatic unit coupled to a first gear,... | 08/09/2011 |
| 7942778 | Hydromechanical variable speed transmission A hydromechanical variable speed transmission (1) including outer and inner differential gear trains each having a carrier carrying planet pinions meshing with two coaxial side gears, the side gears of the outer differential gear train being ring gears one of... | 05/17/2011 |
| 7927245 | Hydraulic motor apparatus A hydraulic motor assembly having a motor and gear reduction set mounted in a housing. The housing may be formed of separate components, including the external surface of the ring gear and the hydraulic motor port block. The motor assembly may also include pressure ... | 04/19/2011 |
| 7597641 | Gearing unit for power transferring system A gearing unit of a power transferring system includes an input shaft, a hydraulic pump, a hydraulic motor, a worm rod and a worm wheel which is cooperated with a pair of planet gears. An output shaft is connected with the worm wheel to transfer torque so as to impr... | 10/06/2009 |
| 7530915 | Parallel path accessory drive The invention provides an accessory drive that is a combination of mechanical and hydraulic components that accepts variable speed input power from a prime mover or engine and transmits that power in a very efficient manner to the output of the device to drive ancil... | 05/12/2009 |
| 7476172 | Motor apparatus including brake mechanism A brake mechanism for a motor assembly including a motor and a reduction gear assembly driving an output shaft or axle is disclosed. A brake rotor is driven by the motor shaft and a brake puck is operatively engageable with the brake rotor for moving the brake rotor... | 01/13/2009 |
| 7476171 | Hydraulic motor apparatus including brake mechanism A hydraulic motor assembly having a motor and gear reduction set mounted in a housing. A brake assembly may be mounted in the port block to provide braking for the output axle or it may be located externally to the axle housing portion of the assembly. The housing m... | 01/13/2009 |
| 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 pump; an epicyclic torque splitter unit, including a first and a second... | 12/16/2008 |
| 7416503 | Speed-changing device A transmission is provided which has a very compact system configuration and is capable of exerting high energy efficiency over all speed regions from a low speed region to a high speed region, while providing improved operability free from a torque shortage. To thi... | 08/26/2008 |
| 7361111 | Power branching transmission for motor vehicles A power branching transmission suitable for motor vehicles having an internal-combustion engine which drives an input shaft of the power branching transmission has several branches comprising at least one power shift transmission with a number of gears and has an ou... | 04/22/2008 |
| 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 vehicle in vibration free manner so as to together constitute a drivin... | 04/08/2008 |
| 7337869 | Hydraulic hybrid vehicle with integrated hydraulic drive module and four-wheel-drive, and method of operation thereof A vehicle includes an integrated drive module coupled to an axle thereof. The module includes a hydraulic motor configured to provide motive power at an output shaft, and a differential for distributing the motive power to right and left portions of the axle. The hy... | 03/04/2008 |
| 7335123 | Hybrid powertrain system and transformer module A powertrain system is provided that includes a first prime mover, a second prime mover and a transformer module. In an embodiment, the transformer module includes a planetary gearset having a first rotary element connected to the first prime mover, a second rotary ... | 02/26/2008 |
| 7314315 | Gearbox for cold metal cutting machine Improved serviceability of cold metal cutting machines is accomplished in a modified gearbox structure enabling several annular components that are conventionally attached by press-fit to be attached instead by slide-fit for easy removal and replacement, eliminating... | 01/01/2008 |
| 7311298 | Integrated air compressor and winch An integrated air compressor and winch is provided that utilizes a single source of rotary motive power for driving both a winch drum and compressor mechanism. The integrated air compressor and winch is preferably provided with a gear case that is operable to provid... | 12/25/2007 |
| 7308790 | Adjustable hydraulic motor apparatus A hydraulic motor assembly having a hydraulic motor mounted in a motor housing and an axle mounted in a separate axle housing. A ring gear and a port block are mounted between the motor housing and the axle housing. A swash plate is mounted in the motor housing and ... | 12/18/2007 |
| 7299888 | Pump unit and working vehicle First pump shaft having an input end is on a side opposite PTO shaft in the vehicle width direction with second pump shaft in between. First and second pump shafts are supported by a pair of bearing members respectively provided at second end wall and lid member so ... | 11/27/2007 |
| 7273126 | Traveling vehicle A traveling vehicle, wherein a power transmission system for traveling straight forward, a power transmission system for turning, a power transmission system for PTO, and a power transmission system for driving a pump are disposed in a transmission part integrally w... | 09/25/2007 |
| 7261277 | Winches A winch assembly (38) comprising a winch (10) having a winch spool (23), an hydraulic drive motor (15), a clutch (17) for directly coupling the drive motor (15) to the winch spool (23) to effect rotation of the winch ... | 08/28/2007 |
| 7261178 | Four wheel-drive vehicle An articulate vehicle comprises a first frame disposed at one of front and rear portions of the vehicle and a second frame disposed at the other of front and rear portions of the vehicle. The first frame supports a first transaxle apparatus supporting a first axle. ... | 08/28/2007 |
| 7220209 | Multimodal vehicle traction system This invention relates to multiple driven axle vehicles, and particularly to all-terrain vehicles equipped for rear wheel drive, four wheel drive, and on-demand front wheel drive. The invention is directed toward a system of switchable traction options allowing the ... | 05/22/2007 |
| 7220204 | Hydrostatic transaxle apparatus A hydrostatic transaxle apparatus comprises a housing in which an HST, a pair of axles, a differential unit differentially connecting the axles to each other, and a horizontal counter shaft interposed between the HST and the differential unit. The HST comprises axia... | 05/22/2007 |
| 7210375 | Unitary case for an angular drive The application relates to a unitary case for a plurality of angular drives which comprises at least one bevel gear step with a first bevel gear and a second bevel gear, and which is provided for achieving various angles between a transmission input shaft and a tran... | 05/01/2007 |
| 7204779 | Hydraulic steering transaxle and hydraulic driving vehicle A steering transaxle comprises: left and right drive shafts drivingly connected to respective steerable wheels; a differential gear unit differentially connecting the drive shafts to each other; a transaxle casing having an opening and incorporating the differential... | 04/17/2007 |
| 7192376 | Axle driving apparatus An axle driving apparatus comprises a housing. The housing contains a hydrostatic transmission, a differential unit driven by the hydrostatic transmission, a pair of axles mutually differentially connected through the differential unit, and a restricting mechanism f... | 03/20/2007 |
| 7188915 | Suspension and drive mechanism for a multi-surface vehicle A tracked vehicle produces a pressure no more than 3 psi on the ground by increasing the number of contact points on the inner surface of the track. The stiffness of the track is also selected to minimize bowing between the idler wheels or rollers. The track is ther... | 03/13/2007 |
| 7140457 | Transmission mechanism for vehicles having HST and pressure oil supply system therefor A transmission mechanism and a pressure oil supply system therefor are provided for use in work vehicles provided with a work device externally of the body of the vehicle at longitudinal one side thereof, the transmission mechanism being simple in construction and s... | 11/28/2006 |
| 7137315 | Wheel hub having driving mechanism A wheel hub for attaching to a vehicle includes a hydraulic engine received in a hub shell and attached or secured to the vehicle, for allowing the hub shell to be rotated relative to the hydraulic engine and the vehicle. The hydraulic engine includes a rotatable sp... | 11/21/2006 |
| 7121970 | Control system for a hydro-mechanical transmission A variable relief valve is inserted in a hydraulic piping for connecting a first pump/motor to a second pump/motor. The variable relief valve is controlled such that when shifting the transmission from forward to reverse or vice versa, a relief set pressure of the v... | 10/17/2006 |
| 7107872 | Auxiliary actuator for the engine of remote control car An improved auxiliary actuator for the engine of a remote control car is installed at one side of the engine of the remote control car and comprises a driving gear set and a driven gear set. The driving gear set includes a housing, which includes a hollow shaft shea... | 09/19/2006 |
| 7089644 | Method for manufacturing transaxles A method of manufacturing a plurality of left hand control hydrostatic transaxles and a plurality of right hand controlled hydrostatic transaxles. The method includes the steps of: providing a plurality of substantially identical axle modules; providing a plurality ... | 08/15/2006 |
| 7081061 | Hydraulic motor apparatus A hydraulic motor assembly having a motor and gear reduction set mounted in a housing having a motor sump and a gear sump. The housing may be formed of separate components, including the external surface of the ring gear and the hydraulic motor port block. A case dr... | 07/25/2006 |
| 7077778 | Bull gear of differential gear assembly A lower cost differential gear assembly capable of inputting driving force through a differential gear, whose teeth have sufficient strength is provided. To achieve the object, the differential gear is constructed by engaging a gear part provided with teeth at equal... | 07/18/2006 |
| 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 the transmission to a front and rear wheel driving output shaft that i... | 07/11/2006 |
| 7065964 | Hydrostatic transmission An improved compact design for a hydrostatic transmission having a hydraulic pump and hydraulic motor mounted on a center section in a housing, wherein the pump and motor are mounted at generally right angles to one another, and the longitudinal axis of the input sh... | 06/27/2006 |
| 7036311 | Hydrostatic transmission An improved compact design for a hydrostatic transmission having a hydraulic pump and hydraulic motor mounted on a center section in a housing, wherein the pump and motor are mounted at generally right angles to one another, and the longitudinal axis of the input sh... | 05/02/2006 |
| 7007571 | 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 at least one of two opposed side members of the vehicle frame. The opp... | 03/07/2006 |
| 7008343 | Radial type piston motor with speed reducer A radial type piston motor with a speed reducer capable of housing the speed reducer and the motor within width of a track shoe. For this purpose, in the radial type piston motor with a speed reducer: the speed reducer includes planetary gear trains of a plurality o... | 03/07/2006 |
| 6997839 | Hydraulic motor apparatus A hydraulic motor assembly having a motor and gear reduction set mounted in a housing. The housing may be formed of separate components, including the external surface of the ring gear and the hydraulic motor port block. The motor assembly may also include pressure ... | 02/14/2006 |
