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| Number | Title | Issue Date |
| 8185282 | Method for the operation of a drivetrain A method for the operation of a drivetrain comprising an automatic transmission, a motor and at least five shift elements in which two shift elements are engaged and three shift elements are disengaged. When carrying out an upshift or downshift, a first shift elemen... | 05/22/2012 |
| 8180537 | Engine control apparatus An engine control apparatus controls an engine rotational speed to a target rotational speed by using a detected input side transmission rotational speed of a manual transmission as the target rotational speed upon detecting a clutch pedal depression amount during s... | 05/15/2012 |
| 8175779 | Vehicle driving force control apparatus and method A program is executed which includes a step (S100) of calculating a base required driving force, a step (S200) of calculating a reference driving force, a step (S400) of calculating a final required driving force on which a vibration suppression... | 05/08/2012 |
| 8175780 | Adaptive underspeed control A machine (100) includes an engine (102) connected to an implement pump (204) operating an actuator and to a propel pump operating a motor (106). An electronic controller (218) is disposed to receive at least one parameter selected... | 05/08/2012 |
| 8170760 | Vehicle driving apparatus A vehicle driving apparatus that can execute cranking of an internal combustion engine by transmitting a mechanical power from a rotor of a motor to an engine output shaft without executing an engaging/disengaging operation of a clutch. A driving apparatus of a hybr... | 05/01/2012 |
| 8170759 | Chassis system engine torque requests An engine control system of a vehicle comprises a torque module and a chassis request evaluation module. The torque module controls a torque output of an engine based on a driver torque request and selectively increases the torque output based on a chassis torque re... | 05/01/2012 |
| 8160789 | Control device for vehicle and control method thereof When a downshift is performed while a vehicle travels in a coasting state, a determination is made as to whether or not a fuel cut recovery will be performed. When a fuel cut recovery will be performed, an offset oil pressure is set and an initial oil pressure set a... | 04/17/2012 |
| 8155847 | Electronic transmission shifting architecture with maximized availability A system comprises a shifter module, an engine control module, and a transmission control module. The shifter module generates a position signal based on a position of a driver input. The engine control module controls an engine, selects one of a plurality of transm... | 04/10/2012 |
| 8155846 | Power train control method and system A method and system for controlling an internal combustion power train, whereby the values of various operating parameters of the power train are measured by means of a number of sensors, and operation of the engine is monitored by means of at least one control unit... | 04/10/2012 |
| 8140230 | Apparatus and method for regulating active driveline damping in hybrid vehicle powertrain The present invention provides an improved method and apparatus for regulating active damping in a hybrid vehicle powertrain. The method includes: monitoring the damping command sent to the active damping system; determining a mean reference point, which may be a fi... | 03/20/2012 |
| 8121765 | System constraints method of controlling operation of an electro-mechanical transmission with two external input torque ranges A method to control an electro-mechanical transmission mechanically-operatively coupled to an internal combustion engine and first and second electric machines to transmit power to an output member includes determining motor torque constraints and battery power cons... | 02/21/2012 |
| 8121768 | Method for controlling a hybrid powertrain system based upon hydraulic pressure and clutch reactive torque capacity A powertrain system includes an engine coupled to an electro-mechanical transmission to transfer power between the engine and a plurality of torque generating machines and an output member. The transmission is operative in one of a plurality of operating range state... | 02/21/2012 |
| 8121766 | Method for operating an internal combustion engine to transmit power to a driveline A method for operating an engine includes defining a two-dimensional search region based upon an input power transmittable between the internal combustion engine and an electromechanical transmission. The method further includes iteratively dividing the two-dimensio... | 02/21/2012 |
| 8121767 | Predicted and immediate output torque control architecture for a hybrid powertrain system A method for controlling torque in a hybrid powertrain system to selectively transfer mechanical power to an output member includes monitoring operator inputs to an accelerator pedal and to a brake pedal. An immediate accelerator output torque request, a predicted a... | 02/21/2012 |
| 8116953 | Active thermal management system and method for transmissions An active thermal management system and method for selectively warming and cooling transmission fluid in a transmission usable with a vehicular engine is provided. The active thermal management system includes a thermal sensor which measures transmission fluid tempe... | 02/14/2012 |
| 8116954 | RPM to torque transition control An engine control module comprises a torque control module, an engine speed (RPM) control module, and an actuator module. The torque control module determines a first desired torque based on a requested torque. The RPM control module selectively determines a second ... | 02/14/2012 |
| 8116955 | Method of controlling brake power for a vehicle with an electrically variable transmission A method of controlling brake power flow for a vehicle with an electrically variable transmission is provided. When the brake power exceeds a power absorption capability of the energy storage system, then vehicle conditions are evaluated to determine if control of a... | 02/14/2012 |
| 8112208 | Engine speed reduction preparatory to an engine restart A method for restarting an engine of a vehicle includes stopping the vehicle and holding the vehicle stationary, reducing engine speed, increasing a rate of reduction of engine speed, if engine speed is less than a reference speed when a desired restart of the engin... | 02/07/2012 |
| 8112205 | Device and method for controlling torque applied to wheels of a vehicle A motor vehicle power train control device capable of furnishing set signals of torque applied to wheels of the motor vehicle. The control device includes a mechanism to generate a signal representing a limitation of variation in speed of a heat engine integrated in... | 02/07/2012 |
| 8112206 | Method for controlling a powertrain system based upon energy storage device temperature A powertrain system includes an engine coupled to an input member of a transmission device operative to transmit torque between the input member and a torque machine and an output member. The torque machine is connected to an energy storage device. A method for cont... | 02/07/2012 |
| 8112207 | Method and apparatus to determine a preferred output torque for operating a hybrid transmission in a continuously variable mode A hybrid transmission includes a torque machine and an energy storage device connected thereto. The hybrid transmission is operative to transfer power between an input member and an output member and the torque machine in a continuously variable operating range stat... | 02/07/2012 |
| 8112209 | Vehicle driving force control device A vehicle driving force control device including an input shaft rotation number sensor which detects a transmission input shaft rotation number to be input from an engine to an automatic transmission, an accelerator opening sensor which detects accelerator opening, ... | 02/07/2012 |
| 8108112 | Engine control during coasting events An engine control system comprises a coasting identification module, a throttle adjustment module, and a fuel adjustment module. The coasting identification module selectively identifies a coasting event. The throttle adjustment module increases an opening of a thro... | 01/31/2012 |
| 8095285 | Method for derating a power source to limit damage A method for derating a power source to limit damage to a drive train of a machine including determining a first operational parameter associated with a power conversion unit and a second operational parameter associated with the power source, selecting, based on th... | 01/10/2012 |
| 8078371 | Method and apparatus to monitor output of an electro-mechanical transmission Controlling a hybrid powertrain includes monitoring an operator torque request, determining maximum and minimum allowable transmission output torques based upon the operator torque request, determining a commanded transmission output torque, and comparing the comman... | 12/13/2011 |
| 8078372 | Output control device for internal combustion engine An electronic control unit 40 calculates a target output torque of an internal combustion engine 10 based on a manipulation amount of an accelerator pedal 60, a vehicle speed, and a state of a transmission gear ratio of an automatic continuously... | 12/13/2011 |
| 8073600 | Controller of field winding type synchronous motor, electric drive system, electric four wheel driving vehicle, and hybrid automobile A controller of a field winding type synchronous motor is provided that can stably output torque even if the d-axis current pulsates by reducing torque pulsation without causing fluctuation in the magnetic flux acting on the torque. A motor control unit 100 p... | 12/06/2011 |
| 8073601 | Method for preferential selection of mode and gear and input speed based on multiple engine state fueling costs for a hybrid powertrain system A method for controlling a hybrid powertrain system including an engine selectively operative in one of an all-cylinder state and a cylinder deactivation state based upon power costs includes determining engine power costs for each operating range state of the trans... | 12/06/2011 |
| 8073602 | System constraints method of controlling operation of an electro-mechanical transmission with an additional constraint range A method for controlling an electro-mechanical transmission mechanically coupled to first and second electric machines to transmit power to an output member includes determining motor torque constraints and battery power constraints. A preferred output torque to an ... | 12/06/2011 |
| 8060284 | Work machine with torque limiting control for an infinitely variable transmission A work machine includes an internal combustion (IC) engine having an output, and an infinitely variable transmission (IVT) coupled with the IC engine output. The IVT includes a hydraulic module and a mechanical drivetrain module. A pressure transducer is associated ... | 11/15/2011 |
| 8055416 | System and method for controlling power transmission apparatus for vehicle A control method for an apparatus which includes a first shift portion that includes a motor and a differential portion, and that is able to function as an electric differential portion; and a second shift portion that is a stepped shift portion, and that is connect... | 11/08/2011 |
| 8050831 | Vehicle engine speed control for a continuously variable transmission A vehicle and a method for controlling a vehicle transmission is provided. The vehicle has at least one wheel and a positionable acceleration device. The vehicle includes an engine being responsive to the position of the acceleration device, wherein the engine provi... | 11/01/2011 |
| 8050832 | Method for determining the rotational speed of the main shaft of a transmission, and transmission comprising a device for detecting rotational speed The present invention relates to a method for determining the rotational speed of the main shaft (3) of a transmission in which the main shaft (3) is connected to an output shaft (4) via a shiftable planetary gear (17), whereby the main s... | 11/01/2011 |
| 8041487 | Commanded and estimated engine torque adjustment An engine control system comprises first and second integral modules, a summer module, and a torque adjustment module. The first integral module determines an engine speed (RPM) integral value based on a difference between a desired RPM and a measured RPM. The secon... | 10/18/2011 |
| 8041486 | Method of gear-shifting in a servo-controlled manual gearbox A method of gear shifting in a servo-controlled gearbox. The method generates an oscillation on angular velocities of primary and secondary shafts of the gearbox, separates the primary shaft from the secondary shaft thus disengaging a first current gear when the osc... | 10/18/2011 |
| 8032287 | Control apparatus of driving system for vehicle A control apparatus for a vehicle that decreases shift shock generated by full engagement of a clutch at completion of an inertia phase. The apparatus includes a driving source, a step automatic transmission arranged to attain a predetermined shift stage by engageme... | 10/04/2011 |
| 8027772 | Power transmission gearbox presenting a modifiable speed of rotation at its outlet, and a corresponding method of operation A power transmission gearbox for rotorcraft for transmitting rotary movement from at least two engine members to a main shaft, wherein the gearbox presents at least two transmission systems for imparting rotary movement to the main shaft, each of the transmission sy... | 09/27/2011 |
| 8005600 | Method and device for controlling a drive system The present invention generally relates to a method and a device for controlling a drive system, in particular a hydraulic traveling drive of a crane, a caterpillar, an industrial truck or a construction machine, which has at least one drive unit for an element to b... | 08/23/2011 |
| 8005601 | Method and control unit for damping load impacts with an open torque converter lockup clutch A method controls an internal combustion engine in a drive train having a hydraulic torque converter with a pump wheel and a turbine wheel, during a changeover from an overrun mode into a traction mode. In the method, the rotational speeds of the pump wheel and of t... | 08/23/2011 |
| 8000866 | Engine control system for torque management in a hybrid powertrain system An engine is coupled to an input member of a hybrid transmission, the hybrid transmission operative to transfer power between the engine and a second torque machine and an output member. A method for controlling the engine includes monitoring an operator torque requ... | 08/16/2011 |
