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| Number | Title | Issue Date |
| 8187144 | Clutch torque control system of hybrid electric vehicle The present invention provides a clutch torque control system of a hybrid electric vehicle, which performs an engine rotational speed control in a power generation system including an engine, a motor-generator, and a clutch for controlling connection and disconnecti... | 05/29/2012 |
| 8187146 | Method to control a hybrid drive train A method of controlling a hybrid drive train of a vehicle which comprises, in series, an internal combustion engine, a clutch, an electric motor and a transmission with an output connected to the drive axle. During traction operation, the vehicle changes from an ele... | 05/29/2012 |
| 8187145 | Method and apparatus for clutch torque control in mode and fixed gear for a hybrid powertrain system A method for controlling hydraulic line pressure of a hydraulic control system in an electro-mechanical transmission mechanically-operatively coupled to an internal combustion engine and an electric machine adapted to selectively transmit mechanical power to an outp... | 05/29/2012 |
| 8182392 | Method for operating a drive train A method for operating a drive train of a motor vehicle. The drive train comprising a hybrid drive with an internal combustion engine and an electric motor, a transmission arranged between the hybrid drive and a drive output, and a clutch arranged between the intern... | 05/22/2012 |
| 8182391 | Electric torque converter for a powertrain and method of operating a vehicle An electric torque converter has a torque converter input member connected to the first node of a differential gear set representable by a lever diagram having first, second, and third nodes. A motor/generator is connected to the second node. The third node is conne... | 05/22/2012 |
| 8172720 | Differential generation power distribution system A differential generation power distribution system to drive an all wheel driving carrier by having a rotational kinetic energy output end of a rotational power unit coupled to an intermediate transmission and control interface device containing a main transmission ... | 05/08/2012 |
| 8172721 | Powertrain and method of controlling the same When a reduction in a supply hydraulic pressure to a second shift portion is sensed, an engagement command of C0 clutch is generated so that a power split device (electrical differential portion) is brought into a locked state. In the locked state, a sun gear, a car... | 05/08/2012 |
| 8167771 | Vehicle launch device having fluid coupling A method of controlling an automatic shifting power transmission having a fluid coupling device, at least one reaction clutch disposed in series with the fluid coupling device, and an electric machine disposed in series with the fluid coupling device and the at leas... | 05/01/2012 |
| 8167772 | Systems and methods for converting a gasoline-fueled vehicle to a dual-mode powered vehicle A system and method for powering of a vehicle is disclosed. In accordance with embodiments of the present disclosure, a powering assembly may include an axle, a wheel coupled to the axle, and at least one secondary coil winding affixed to the wheel. The wheel may be... | 05/01/2012 |
| 8147375 | Method of clutch control to start an engine with a hybrid transmission A method of starting an internal combustion engine includes selecting a first or a second clutch, and pressurizing the selected clutch with an auxiliary pump. The pressurized clutch is synchronized using the first and second electric machines, and then engaging. The... | 04/03/2012 |
| 8123657 | Method for the operation of a drive train A method of operating a drive train comprising a hybrid drive with a combustion engine and an electric motor; a transmission positioned between the hybrid drive and the output; and a clutch positioned between the combustion engine and the electric motor. When the el... | 02/28/2012 |
| 8123656 | Hybrid transmission with disconnect clutch and method of starting an engine using same A hybrid transmission is provided with a motor and a torque-transfer device is operable to transfer torque from the motor to a transmission input member upstream in power flow from the transmission gearing arrangement. The torque transfer device may be a fluid coupl... | 02/28/2012 |
| 8123655 | Power output apparatus, drive system, and control method of power output apparatus The technique of the invention is applied to a motor vehicle where an engine and a first motor are linked to a driveshaft via a planetary gear mechanism, a second motor is linked to the driveshaft via a transmission, and a battery is arranged to receive and transmit... | 02/28/2012 |
| 8109856 | Method for operating a drive train of a vehicle during trailing throttle operation A method for operating a vehicle drive train during a coasting operation. The drive train has an internal combustion engine, an electric machine, a transmission, and a shift element, with a variable transmission capacity, located between the electric machine and a d... | 02/07/2012 |
| 8109855 | Method for controlling the coupling and the decoupling of the first motor and second motor of a parallel hybrid motive power group The invention relates to a method for controlling the coupling and the decoupling of the first motor and of the second motor of a parallel hybrid motive power group comprising a first motor (11) driving an input shaft (4) at the entrance of a gear box ... | 02/07/2012 |
| 8092339 | Method and apparatus to prioritize input acceleration and clutch synchronization performance in neutral for a hybrid powertrain system A method for controlling a powertrain includes operating a transmission in a neutral operating range state, monitoring commands affecting an input speed, monitoring a tracked clutch slip speed, determining constraints on an input acceleration based upon the commands... | 01/10/2012 |
| 8092340 | Hybrid electric vehicle powertrain control after a requested change in vehicle direction A method for controlling a hybrid electric vehicle powertrain includes operating an engine driveably connected to first vehicle wheels, providing an electric motor driveably connected to second vehicle wheels, shifting a gear selector between a forward drive positio... | 01/10/2012 |
| 8079933 | Method and apparatus to control engine torque to peak main pressure for a hybrid powertrain system A method to control a powertrain including a transmission, an engine, and an electric machine includes monitoring a rotational speed of the engine, monitoring a temperature of a transmission fluid, determining a maximum hydraulic pressure within a hydraulic control ... | 12/20/2011 |
| 8070649 | Hybrid powertrain and dual clutch transmission An automatic dual clutch transmission includes an input clutch which selectively connects a prime mover to an electric motor. The electric motor, in turn, is connected to the inputs of a pair of coaxial friction clutches. Each of the coaxial outputs of the friction ... | 12/06/2011 |
| 8062173 | Method for controlling a hybrid drivetrain A method for controlling a hybrid drivetrain of a motor vehicle such that, during a thrust operation of the vehicle, a change takes place from a combustion-powered driving mode, in which the combustion engine is in a thrust operation, the separator clutch is engaged... | 11/22/2011 |
| 8052570 | Control device for vehicular power transmitting apparatus The present invention provides, in a vehicular power transmitting apparatus including a differential portion electrically controlled, a control device which can quickly decrease the engine rotation speed, even if the operational state of an electric motor is limited... | 11/08/2011 |
| 8047959 | Method for starting a piston engine and hybrid drive for performing the method A method is provided for starting a piston engine of a hybrid drive in an electric travel state. The hybrid drive includes at least the piston engine, an electric motor, a transmission, and a clutch situated between the piston engine and the electric motor. A conver... | 11/01/2011 |
| 8043194 | Vehicle creep control in a hybrid electric vehicle In a powertrain that includes wheels for driving a vehicle, an engine including a crankshaft, a machine driveably connected to the crankshaft and able to operate alternately as an electric motor and electric generator, a transmission including an input clutch drivea... | 10/25/2011 |
| 8038573 | Power development for rapid start in full-hybrid drives with optimized traction control A launch control system for a hybrid vehicle is described. The system includes overcharging an electrical energy storage unit of the hybrid vehicle, operating an internal combustion engine at an increased power level, and operating an electric motor at an increased ... | 10/18/2011 |
| 8029408 | Method and control device for implementing a startup of a combustion engine in a hybrid vehicle A method for compensating a transmitted torque of a clutch between a regulated drive motor, in particular an electromotor, and a combustion engine in the transition to an operation using only the drive motor, to hybrid operation in which an overall torque is supplie... | 10/04/2011 |
| 7998023 | Hybrid powertrain with an engine input clutch and method of control A powertrain is provided with a first input clutch and a second input clutch, each of which is selectively engageable to connect an engine with a transmission input member. Selective engagement of the first input clutch permits a motor to power the engine to start t... | 08/16/2011 |
| 7998022 | Control device for vehicular power transmitting apparatus A control device for a vehicle which includes a differential portion controlling a differential state between the number of rotations of an input shaft connected to an engine, and the number of rotations of an output shaft connected to drive wheels, with controlling... | 08/16/2011 |
| 7967721 | Control apparatus for an automatic transmission A transmission system in a vehicle using a motor to transmit power assists acceleration by generating auxiliary engine power during acceleration in addition to gear changing by the motor. Where acceleration assistance is added, torque transition is conducted along a... | 06/28/2011 |
| 7963881 | Powertrain and method of controlling the same When a reduction in a supply hydraulic pressure to a second shift portion is sensed, an engagement command of C0 clutch is generated so that a power split device (electrical differential portion) is brought into a locked state. In the locked state, a sun gear... | 06/21/2011 |
| 7942781 | High-efficiency vehicular transmission A high-efficiency vehicular transmission is provided. The transmission includes a transmission housing, a set of torque delivery elements which include first and second elements supported for rotation within the housing and an electric motor for changing angular vel... | 05/17/2011 |
| 7935021 | Controller apparatus for vehicular device system A vehicle-starting-engine-torque restricting device is provided to restrict engine torque upon starting of a vehicle with an engine used as a vehicle drive power source, so that a required output of a first electric motor which generates a reaction force correspondi... | 05/03/2011 |
| 7935022 | Control apparatus for hybrid vehicle power transmitting system A control apparatus for a hybrid vehicle power transmitting system including a switching portion operable to switch a power transmitting path between a power transmitting state and a power cut-off state in response to an operation of a shift lever, the control appar... | 05/03/2011 |
| 7918761 | Split serial-parallel hybrid dual-power drive system A split serial-parallel hybrid dual-power drive system, comprised of two or more than two separation drive systems allowing independent operation to respectively drive the load, or all loads driven individually are incorporated in a common frame to drive land, surfa... | 04/05/2011 |
| 7918759 | Split serial-parallel hybrid dual-power drive system A split serial-parallel hybrid dual-power drive system, comprised of two or more than two separation drive systems allowing independent operation to respectively drive the load, or all loads driven individually are incorporated in a common frame to drive land, surfa... | 04/05/2011 |
| 7918760 | Split serial-parallel hybrid dual-power drive system A split serial-parallel hybrid dual-power drive system, comprised of two or more than two separation drive systems allowing independent operation to respectively drive the load, or all loads driven individually are incorporated in a common frame to drive land, surfa... | 04/05/2011 |
| 7914416 | Hybrid powertrain with single electric motor integrated within automatic transmission A hybrid transmission is provided that is operatively connectable to an engine. The transmission has an electric motor and a clutch, which may be a brake-type clutch or a rotating-type clutch, depending on the embodiment, integrated within the transmission. Absent t... | 03/29/2011 |
| 7892139 | Hybrid drive arrangement and method for controlling and/or regulating a starting process with a hybrid drive arrangement A method is proposed for controlling and/or regulating a starting process in a hybrid drive arrangement of a vehicle, in which at least one control unit (8) is used by means of which a combustion engine (1), at least one electric machine (3), a ... | 02/22/2011 |
| 7878281 | Transmitting state switching control apparatus for hybrid vehicle A control apparatus for a hybrid vehicle for controlling and limiting the transmission of power from an engine to the driving wheels during start-up of the engine to produce a hybrid running mode where the vehicle is powered by both the engine and a motor-generator.... | 02/01/2011 |
| 7874956 | Engine start controlling apparatus and method for hybrid vehicle A hybrid-vehicle engine start controlling apparatus includes an engine, a motor connected to a vehicle driving shaft, a first engaging element provided between the engine and the motor for connecting and disconnecting the engine and the motor and engine start contro... | 01/25/2011 |
| 7867135 | Electro-mechanical transmission control system A system for robust fault detection in an electrically variable, hydraulically controlled transmission includes independently monitoring hydraulic pressure within a hydraulic control circuit and electric machine rotation for detecting clutch state faults. ... | 01/11/2011 |
