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| Number | Title | Issue Date |
| 7992666 | System and method to reduce the aerodynamic force on a vehicle Disclosed is a tractor-trailer including a tractor having a lower tractor duct that receives first air from a front of the tractor and channels the first air through a center area of the tractor and down between a set of rear wheels, a trailer having a lower trailer... | 08/09/2011 |
| 7647994 | Hybrid vehicle having an electric generator engine and an auxiliary accelerator engine A drive-train for a fuel-efficient wheeled vehicle includes a first internal combustion engine and a second internal combustion engine of lesser power adapted to drive a generator. An electric motor is adapted to drive the vehicle primarily during cruising mode oper... | 01/19/2010 |
| 7431121 | Drive section of a lift truck A drive section of an industrial truck has a vehicle frame (1), a drive unit (4) having a steerable drive wheel, and at least one pivoting roller (5, 6) located at a lateral offset in relation to the drive wheel (4d). The vehicle f... | 10/07/2008 |
| 7410021 | Fuel-efficient vehicle with auxiliary cruiser engine An automotive vehicle having improved fuel economy is equipped with a drive system having a primary internal combustion engine and an auxiliary internal combustion engine of smaller size and better fuel economy than the primary engine. The primary engine is adapted ... | 08/12/2008 |
| 7329960 | System and method for propelling a large land-based vehicle using a dual function brushless dynamoelectric machine A propulsion system for a relatively large land-based vehicle, such as a locomotive or off-highway vehicle, is provided. The system may include a brushless dynamoelectric machine made up of a main alternator having a main rotor and a main stator, and an auxiliary al... | 02/12/2008 |
| 7325638 | Motor vehicle with a primary engine for acceleration and secondary engine augmented by an electric motor for cruising A motor vehicle having a primary internal combustion engine is equipped with a secondary engine and an electric motor to supplement the power produced by the primary engine. The primary engine provides power for acceleration and hill climbing. When in a cruising mod... | 02/05/2008 |
| 7228762 | Traveling gear for agricultural working machine A method of regulating a travelling speed of an agricultural machine includes providing a diesel engine to drive a variable displacement pump, the variable displacement pump connected by a hydraulic line to at least one hydraulic motor connected to a running gear so... | 06/12/2007 |
| 7219967 | Brake system for a vehicle driven by at least one hydraulic motor fed in a closed circuit A method of operating a brake system for a hydraulic motor, by feeding the hydraulic motor with at least one pump having a variable cubic capacity, in a closed circuit, providing a friction brake to brake the motor, providing a brake controller that controls an amou... | 05/22/2007 |
| 7198130 | V-drive motor arrangement A V-drive motor arrangement for a motor vehicle, with the motor vehicle including a pair of frame members maintained in a spaced apart relationship. The V-drive motor arrangement includes a first motor mounted between the two frame members and coupled to a first gea... | 04/03/2007 |
| 7185722 | Power transmission apparatus of motor vehicles Disclosed is a power transmission apparatus of motor vehicles which has an engine, a gear change apparatus, an electric rotary machine to which a power is transmitted via the gear change apparatus, and a clutch provided between an input shaft and an output shaft of ... | 03/06/2007 |
| 7152705 | Dual engine electric drive system An electric drive system includes a first engine and a second engine. A first electric generator is adapted to be driven by the first engine and to generate a first output. A second electric generator is adapted to be driven by the second engine and to generate a se... | 12/26/2006 |
| 7151326 | System and method for safely and efficiently capturing power currently produced by already available power supplies to power electrical devices in a truck while its engine is turned off The present invention is directed to an electrical system and method for providing power to a truck's cab while the truck's engine is turned off. An already available primary power supply of the truck and a secondary power supply generally located on a trailer being... | 12/19/2006 |
| 7149617 | Method of timed shift to neutral in apparent stationary modes A control for a transmission and a clutch monitors conditions to determine when a vehicle associated with the clutch and transmission is likely in a stationary state. If the vehicle appears to be stationary, with the transmission engaged and the clutch open, then th... | 12/12/2006 |
| 7105937 | Adjustable variable frequency starter/generator system A starter/generator system for a gas turbine engine used in aeronautical applications that couples a single dynamoelectric machine to the gas turbine engine through a torque converter in a starting mode, and then disengages the torque converter and engages the engin... | 09/12/2006 |
| 7084600 | Power control apparatus for a turbo charger equipped with an assist motor and a motor driven turbo charging apparatus A power control apparatus includes an inverter giving a rectangular waveform drive signal to an induction motor, an inverter voltage controlling section controlling an output voltage of the inverter, a converter boosting a voltage supplied to the inverter, a convert... | 08/01/2006 |
| 7057303 | Vehicle mounted electrical generator system A vehicle mounted AC generator system having an AC generator mounted outside the engine/transmission compartment and connected by drive shaft with universal joints and a belt driven RPM ratio device. The ratio is set to provide accurate AC generator RPM at a presele... | 06/06/2006 |
| 6979913 | Vehicle mounted electrical generator system A vehicle mounted AC generator system having an AC generator mounted outside the engine/transmission compartment and connected by drive shaft with universal joints and a belt driven RPM ratio device. The ratio is set to provide accurate AC generator RPM at a presele... | 12/27/2005 |
| 6976930 | Transmission assembly A transmission assembly includes a stationary housing and a first section having a coupling member. The first section further includes a first planetary gear assembly, a second planetary gear assembly, and a third planetary gear assembly operatively disposed in the ... | 12/20/2005 |
| 6971463 | Energy recovery system for work vehicle including hydraulic drive circuit and method of recovering energy A work vehicle having a hydrostatic drive system provides for the recovery and reuse of the vehicle's kinetic energy by conducting pressurized hydraulic fluid out of the hydrostatic drive system into an accumulator during vehicle deceleration, and conducting the pre... | 12/06/2005 |
| 6966394 | Turbine generator regenerative braking system A turbine generator regenerative braking system is for an automotive or other vehicle having ground engaging wheels and an electrical energy storage device. The braking system comprises an hydraulic fluid turbine generator having an electrical power output connected... | 11/22/2005 |
| 6942048 | Accessory drive apparatus An accessory drive apparatus includes a power source, an accessory system that provides an input to the power source, an accessory driving source that drives the accessory system, and a power combination/distribution mechanism that is connected to the power source a... | 09/13/2005 |
| 6595308 | Electric drive axle for hybrid vehicle An electric drive axle for use in hybrid vehicles has an electric motor driving a compact gearbox. The gearbox includes a planetary reduction unit and a differential assembly. The planetary reduction unit has compound planet gears supported from a planet ... | 07/22/2003 |
| 6574535 | Apparatus and method for active driveline damping with clunk control A propulsion system designed for hybrid vehicles utilizing a first torque path from a coupled motor generator system and internal combustion engine through and automatically shifted manual transmission having a secondary torque path from a secondary torqu... | 06/03/2003 |
| 6553287 | Hybrid electric vehicle control strategy to achieve maximum wide open throttle acceleration performance The invention is a controller for a hybrid electric vehicle (HEV) to meet driver expectation when forward wide open throttle (WOT) acceleration is requested while optimizing the total powertrain system efficiency and performance, especially when the engin... | 04/22/2003 |
| 6481519 | Electric drive axle for hybrid vehicle An electric drive axle for use in hybrid vehicles has an electric motor driving a compact gearbox. The gearbox includes a planetary reduction unit and a differential assembly. The planetary reduction unit has compound planet gears supported from a planet ... | 11/19/2002 |
| 6411881 | System and method for controlling neutral idle operation of a vehicle A control system 32 and method for controlling neutral idle operation of a vehicle 10 is provided. The method includes measuring a brake pressure in a brake control line of vehicle 10. The control line communicates fluid to a brake 128 coupled to a wheel ... | 06/25/2002 |
| 6401850 | Electric drive axle for hybrid vehicle An electric drive axle for use in hybrid vehicles has an electric motor driving a compact gearbox. The gearbox includes a planetary reduction unit and a differential assembly. The planetary reduction unit has compound planet gears supported from a planet ... | 06/11/2002 |
| 6311495 | Composite power unit A composite power unit designed to permit the inertial moment of a flywheel to be positioned adjacent to one end of a crankshaft, thereby allowing the crankshaft to experience a reduced level of bending stress and torsional vibration. The composite power ... | 11/06/2001 |
| 6213233 | System for cooling drive units and for heating the inner space of a hybrid vehicle A combined system for cooling drive units and for heating the inner space of a hybrid vehicle comprises a cooling circuit, in which are connected in series an internal combustion engine, a thermostat valve, a cooler and an electrovalve. The system compris... | 04/10/2001 |
| 6179078 | Fuel efficient and inexpensive automobile An automotive wheeled vehicle of light weight and improved fuel efficiency has first and second laterally opposed drive wheels mounted upon a stationary axle positioned transversely to the direction of vehicle motion, each of the drive wheels being driven... | 01/30/2001 |
| 6170587 | Hybrid propulsion system for road vehicles A hybrid propulsion system (100) for use in road vehicle operations, which propulsion system includes a power splitting mechanical transmission (108), suitably a three shaft epicyclic gearbox (117, 118, 119), for coupling to a tailshaft (115) of the vehic... | 01/09/2001 |
| 6124644 | Single core dual circuit heat exchange system A system has an engine (24), a generator (28) driven by the engine (24) to generate a DC voltage, and an inverter (30) electrically coupled to the generator (28) to convert the DC voltage to an AC signal. The system also has a first heat exchange circuit ... | 09/26/2000 |
| 6109127 | Power transmission system employing a motor and an engine A power transmission system includes a motor connected to a variable pulley device via a uni-directional device and an engine connected to a clutch device via a uni-directional device. A pulley device is disengagably connected to the clutch device and con... | 08/29/2000 |
| 6105696 | Electric vehicle with combined motors of multistep power outputs An energy-saving and high-efficiency electric vehicle which uses a set of accumulator batteries as a power source and is driven by multiple motors of different powers, each motor having its own circuit system and switching device. When greater resistance ... | 08/22/2000 |
| 5971092 | Vehicle drive system featuring split engine and accessory back drive A drive train for a vehicle having a pair of mechanically driven wheels, a pair of hydraulically driven wheels, and a mechanically driven accessory is disclosed. The drive train includes a transmission system connected to the pair of mechanically driven w... | 10/26/1999 |
| 5924504 | Suspension drive unit assembly for an electrically driven vehicle An automotive vehicle suspension unit assembly located near the sides of a vehicle includes a driving axle shaft, a gear box, an electric motor, and a suspension beam. The driving axle shaft, which drives a wheel hub of the vehicle, defines an axis of rot... | 07/20/1999 |
| 5915292 | Combat vehicle with diesel-electric drive mechanism and rear hatch A combat vehicle with a rear hatch and a track powered by a diesel-electric drive mechanism in the rear. It is characterized in that the drive mechanism includes separate motors that drive the tracks and several current-generating diesel-electric aggregat... | 06/22/1999 |
| 5861569 | Combat vehicle with diesel-electric drive mechanism and rear hatch A combat vehicle with a rear hatch and a track powered by a diesel-electric drive mechanism in the rear. The drive mechanism includes separate motors that drive the track and several current-generating diesel-electric aggregates, each in the form of a gen... | 01/19/1999 |
| 5701062 | Pulsing control for an inertial drive system for a multi-motor binary array vehicle A pulsing drive system delivers pulsed power signals to the driven wheels of a vehicle for improving the efficiency internal combustion or an electric motor driven vehicles. A controller receives signals such as velocity and demand, and communicates to a ... | 12/23/1997 |
| 5669842 | Hybrid power transmission with power take-off apparatus A power transmission has an internal combustion engine and motor/generators which are combined through a summing planetary gearing. The planetary gearing cooperates with downstream gearing to provide a hybrid power transmission. A plurality of auxiliary o... | 09/23/1997 |
