| Patent application number | Description | Published |
|---|
| 20090098977 | 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 ( | 04-16-2009 |
| 20100108414 | DRIVE LINE - A drivetrain of a motor vehicle, having a hybrid drive system, comprising an internal combustion engine ( | 05-06-2010 |
| 20100125022 | METHOD FOR OPERATING A DRIVE TRAIN - A process of operating a motor vehicle drive train that comprises at least one hybrid drive having a combustion engine and an electric motor with a clutch connected between the combustion engine and the electric motor, and an automatic transmission is arranged between the hybrid drive and an output. The process including the step of disengaging the clutch to carry out a shift, after a reduction of load at the internal combustion engine and after a reduction of the torque that is transmitted between the internal combustion engine and the electric motor. Subsequently carrying out a gear shift by the automatic transmission and, thereafter, increasing the torque that is transmitted by the clutch. Increasing the load from the combustion engine, and optionally engaging the clutch. A load transfer by the electric motor occurs before and/or after the gear shift in the transmission is carried out. | 05-20-2010 |
| 20100197451 | METHOD FOR OPERATING A DRIVE TRAIN - A method of operating a drive train of a motor vehicle whereby the drive train comprises at least a hybrid drive with a combustion engine and an electric motor, a transmission, positioned between the hybrid drive and an output, and a clutch, positioned between the combustion engine and the electric motor. When the electric motor is exclusively driving, the combustion engine can be started by engaging a clutch positioned between the combustion engine and the electric motor. In accordance with the invention, when there is an exclusive electromotive drive and the electric motor is operated in a deceleration mode and, when a request by a driver is interpreted as a desired change from a deceleration mode to a traction mode, the combustion engine is started, by using the deceleration/traction change, in a way that the clutch, positioned between the combustion engine and the electric motor, is at least partially engaged so that the clutch transfers the required torque which is needed for starting the combustion engine. | 08-05-2010 |
| 20100197452 | METHOD FOR CARRYING OUT A LOAD SHIFT IN VEHICLES WITH ELECTRIC DRIVE - A method of carrying out a shift under load in either an electric vehicle which has a change-under-load transmission or a hybrid vehicle which has a hybrid transmission while the vehicle is operating in a purely electrical mode. The speed adaptation of the electric machine, which is required for synchronization to a new gear, is carried out in a speed regulation mode. | 08-05-2010 |
| 20100204004 | METHOD FOR CONTROLLING AND/OR REGULATING A HYBRID DRIVE ARRANGEMENT - A method of controlling and/or regulating a hybrid drive system of a vehicle, with at least one internal combustion engine and at least one electric machine which can be coupled to the input shaft of an automated transmission, at least some of the time, by at least one clutch to facilitate driving of the vehicle such that at least one energy accumulator is charged by the electric machine which is operated as a generator and driven by the internal combustion engine. The electric machine is a synchronizer machine that is continually energized by maintaining a nominal speed of the synchronizer machine below an inflexion speed (n_Eck) during the charging process. | 08-12-2010 |
| 20100204005 | METHOD FOR STARTING THE COMBUSTION ENGINE DURING A LOAD SHIFT IN PARALLEL HYBRID VEHICLES - A method for starting the internal combustion engine, in parallel hybrid vehicles, in which the internal combustion engine is started, during a shift under load in purely electric driving operation, by the electric machine. | 08-12-2010 |
| 20100204006 | 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 electric motor exclusively drives the vehicle, the combustion engine can be started by engaging the clutch. At the time when the electric motor permanently or without traction force interruption is coupled to the output, and the rotational speed of the electric motor is greater than the starting rotational speed of the combustion engine, and a clutch, positioned between the combustion engine and the electric motor, is engagedly and disengagedly controlled so that the clutch is brought into slippage, via partial engagement, to start the combustion engine, and thereafter the clutch is completely disengaged before reaching a synchronous rotational speed between the combustion engine and the electric motor. | 08-12-2010 |
| 20100210410 | METHOD FOR CARRYING OUT A LOAD SHIFT IN A PARALLEL HYBRID VEHICLE DURING HYBRID OPERATION - A method of carrying out a shift under load during hybrid operation in a parallel hybrid vehicle in which the speed adaptation of the electric machine and the internal combustion engine, required for synchronization to the new gear, is carried out by adapting the speed of the electric machine in a speed regulation mode. | 08-19-2010 |
| 20100216596 | 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 drive wheels. The electric machine is located in the flow of power between the combustion engine and the transmission. The output torque to be delivered to the wheel is a function of the delivery capacity of the shift element which is adjusted in a controlled manner. During the process of shutting down the combustion engine, the speed of the electric machine is adjusted while maintaining at least a partial engagement of the shift element and the speed of the combustion engine is reduced to zero with the electric machine. | 08-26-2010 |
| 20100217508 | METHOD FOR TREATEMENT OF A DRIVELINE - A method of operating a drivetrain of a motor vehicle. The drivetrain comprises a drive aggregate formed as a hybrid drive with a combustion engine and an electric machine, and a transmission connected between the drive aggregate and a drive output. The drivetrain also comprises a pressure reservoir system with at least one pressure reservoir and at least one pressure generator by the combustion engine in order to fill the pressure reservoir. A pressure in the pressure reservoir of the pressure reservoir system is measured and a value of the actual pressure, in the pressure reservoir system, is compared with at least one threshold value. When the actual pressure value is higher than a threshold value, stopping of the combustion engine is permitted, whereas if the actual pressure value is lower than the threshold value, stopping of the combustion engine is not permitted. | 08-26-2010 |
| 20100227733 | METHOD FOR TREATMENT OF A DRIVELINE - A method of operating a drivetrain of a motor vehicle. The drivetrain comprising a drive aggregate with at least one electric machine. During operation of the drivetrain according to the method, when an accelerator pedal and a brake pedal are not actuated, the drivetrain is operated in a speed-regulated crawling mode and during this mode a nominal speed value is compared with an actual speed value and, on the basis of the difference between these speed values, a crawling torque is produced as a control output. During a purely electrical speed-regulated crawling operation, if a positive crawling torque is produced as the control output, then the torque produced by the electric machine is regulated such that the actual speed value is approximately equal to the nominal speed value and, during such operation, an electrical energy accumulator of the drivetrain is discharged more intensively since the electric machine is operated as a motor. | 09-09-2010 |
| 20100227737 | METHOD FOR TREATMENT OF A DRIVELINE - A method of operating a drivetrain of a motor vehicle such that the drivetrain comprises a drive aggregate ( | 09-09-2010 |
| 20100304921 | METHOD FOR DETERMINING STATES OF HYBRID DRIVE TRAIN OF A VEHICLE - A method for determining conditions of a hybrid drive train of a motor vehicle. The method determines, the actual conditions ( | 12-02-2010 |
| 20100304925 | MOTOR VEHICLE CONTROL SYSTEM - A motor vehicle control system for controlling a motor vehicle with a hybrid drive comprising an internal combustion engine and an electric motor, with a strategy sub-component, a control sub-component and an actuator sub-component. The functional components include at least an internal combustion engine functional component, a transmission functional component, such that the strategy sub-component ( | 12-02-2010 |
| 20110017534 | METHOD FOR LOAD POINT DISPLACEMENT DURING HYBRID OPERATION IN A PARALLEL HYBRID VEHICLE - A method of load point shifting in the hybrid operation of a parallel hybrid vehicle comprising an internal combustion engine, at least one electric machine and an energy accumulator, in which at least one limit curve (A | 01-27-2011 |
| 20110039655 | METHOD AND DEVICE FOR CONTROLLING A CREEP MODE OF A VEHICLE HAVING A HYBRID DRIVE SYSTEM - The invention relates to a method and a device for controlling a creep mode of a vehicle having a hybrid drive system ( | 02-17-2011 |
| 20110040432 | METHOD AND DEVICE FOR OPERATING A HYBRID DRIVE - The invention relates to a method and a device for operating a hybrid vehicle, comprising a parallel hybrid drive train ( | 02-17-2011 |
| 20110045947 | METHOD AND DEVICE FOR CONTROLLING A CREEP MODE OF A VEHICLE COMPRISING A HYBRID DRIVE - The invention relates to a method for controlling a creep mode of a vehicle comprising a hybrid drive ( | 02-24-2011 |
| 20110048822 | METHOD AND DEVICE FOR CONTROLLING A CREEP OPERATION OF A VEHICLE WITH A HYBRID DRIVE - The invention relates to a method and device for controlling a creep operation of a vehicle with a hybrid drive ( | 03-03-2011 |
| 20110053734 | METHOD FOR OPERATING A DRIVE TRAIN - A method of operating a drive train having a hybrid drive that comprises an internal combustion engine and an electric machine, a clutch connected between the combustion engine and electric machine, a transmission connected between the electric machine and an output drive, and a start-up element connected between the electric machine and the output drive. The method for starting-up the drive train, when the clutch connected between the combustion engine and the electric machine and the start-up element are both disengaged, and the electric machine is stopped and short-circuited. The method comprising the steps of accelerating the internal combustion engine to a rotational speed which depends on a short circuit torque of the electric machine that must be overcome; engaging the clutch connected between the combustion engine and electric machine; and bringing the combustion engine to a start-up speed depending on the driver's request; and engaging the start-up element. | 03-03-2011 |
| 20110054725 | METHOD FOR TRANSMITTING TARGET VALUES AND/OR TARGET DRIVE TRAIN STATES - The invention proposes a method for transferring the desired values and/or the desired drive train states of the strategy for the operative functions in a hybrid vehicle, in particular in a parallel hybrid vehicle, comprising a hybrid control system which is divided into at least two functional layers, with one layer being in the form of a strategic layer and the second layer being in the form of an operative layer, in which method, in a first step, the desired drive train state is transmitted from the strategic layer to the operative layer, with the drive train state which is checked and accepted as a target then being transmitted from the operative layer to the strategic layer, with, in a next step, the drive train state which is currently valid after the change or after the switchover to the target state being transmitted from the operative layer to the strategic layer, and with the desired values for continuous variables of the new state then being calculated in the strategic layer and being transmitted to the operative layer. | 03-03-2011 |
| 20110093147 | METHOD AND DEVICE FOR OPERATING A HYBRID DRIVE OF A VEHICLE - The invention relates to a method and a device for operating a hybrid drive ( | 04-21-2011 |
| 20110166726 | MOTOR VEHICLE CONTROL SYSTEM - A control system for controlling a vehicle with a hybrid drive comprising an internal combustion engine and an electric motor and a plurality of functional components each divided into at least a strategy sub-component, a control sub-component and an actuator sub-component, the functional components including at least an engine functional component, a transmission functional component and a hybrid functional component, such that the strategy sub-component ( | 07-07-2011 |
