Patent application number | Description | Published |
20090124452 | 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 converter lockup clutch, which is switchable into a slip state, is also provided. A slip is set at the converter lockup clutch, and a speed of the electric motor is then increased. The speed and the torque either do not change or only change in a predefined range at the output side of the converter lockup clutch. The clutch is closed to transmit a torque pulse, so that a first top dead center of the piston of the piston engine may be overcome. A predefined slip is then set at the clutch. | 05-14-2009 |
20110183802 | HYBRID DRIVE TRAIN - A hybrid drive train has an internal combustion engine ( | 07-28-2011 |
20110198139 | DRIVE SYSTEM, IN PARTICULAR FOR A MOTOR VEHICLE - A drive system has a dual clutch transmission with two component transmissions, a dual clutch and an output shaft. The two component transmissions have a common main shaft and each has one component transmission input shaft that can be connected operatively to the main shaft. The main shaft and the output shaft are connected operatively to one another. A combustion engine selectively can be connected operatively to one of the component transmissions via the dual clutch and one of the component transmission input shafts to drive the output shaft via the main shaft. An electric machine can be connected positively and operatively to one of the component transmission input shafts and/or to the output shaft, or can be connected positively and operatively to one of the component transmission input shafts and/or to the main shaft. | 08-18-2011 |
20110203860 | METHOD FOR OPERATING A DRIVE SYSTEM FOR A MOTOR VEHICLE - A vehicle has an internal combustion engine, an electric drive device and a transmission with two component transmissions that can be selected simultaneously. Torque can be transmitted from the electric drive device and/or the internal combustion engine to at least one axle of the vehicle, and a torque can be transmitted from the axle to the electric drive device and/or the internal combustion engine. The internal combustion engine is adjusted from a deactivated state to an energized state. Torque is transmitted to the internal combustion engine by the axle and/or the electric drive device via one of two shifting elements to increase rotational speed of the internal combustion engine. The internal combustion engine is adjusted to a target rotational speed via one of the shifting elements. The connection between the internal combustion engine and the axle is produced via one of the shifting elements upon reaching the target rotational speed. | 08-25-2011 |
20110259657 | VEHICLE HAVING ELECTRIC DRIVE - Different axle arrangements are provided for a hybrid vehicle or a vehicle that can be driven exclusively by an electric machine. The vehicle has a front and rear axles and at least one drive that comprises an electric machine for driving at least one wheel of one of the axles. | 10-27-2011 |
20120006152 | DRIVE SYSTEM FOR A MOTOR VEHICLE AND MOTOR VEHICLE HAVING SUCH A DRIVE SYSTEM - A drive system ( | 01-12-2012 |
20120031691 | DRIVE SYSTEM AND MOTOR VEHICLE HAVING SUCH A DRIVE SYSTEM - A drive system ( | 02-09-2012 |
20120312620 | DRIVE TRAIN OF A MOTOR VEHICLE - The invention relates to a drive train of a motor vehicle, comprising a front axle ( | 12-13-2012 |
20120312621 | MOTOR VEHICLE - The invention relates to a motor vehicle, comprising a body and a drive train, wherein the drive train comprises a front axle ( | 12-13-2012 |
20130087400 | HYBRID DRIVE TRAIN - The invention relates to a hybrid drive-train of a motor vehicle ( | 04-11-2013 |
20140030123 | ELECTRIC MACHINE FOR A HYBRID OR ELECTRIC VEHICLE - An electric machine ( | 01-30-2014 |
20140332301 | DRIVE TRAIN OF AN ALL-ELECTRICALLY DRIVABLE MOTOR VEHICLE WITH TWO ELECTRIC MACHINES - A drive train ( | 11-13-2014 |
20150021109 | DRIVETRAIN OF A PURELY ELECTRICALLY DRIVEABLE MOTOR VEHICLE - A drive train ( | 01-22-2015 |