METHOD FOR DEACTIVATING A PARKING LOCK MECHANISM OF A HYBRID DRIVE TRAIN FOR A MOTOR VEHICLE

The invention relates to a method for deactivating a parking lock mechanism (2) of a hybrid drive train (1) of a motor vehicle, the hybrid drive train (1) having: a dual clutch transmission (3) havinga dual clutch (4); an internal combustion engine (5); at least one electric machine (6), the interna...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KECK, Ingo, WENDT, Moritz, FILP, Mathias, PROST, Jacques, SCHALLER, Martin, KIEHLNEKER, Alexander, STEPPER, Thorsten
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES AUXILIARY DRIVES FOR VEHICLES INSTRUMENTATION OR DASHBOARDS FOR VEHICLES PERFORMING OPERATIONS TRANSPORTING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	The invention relates to a method for deactivating a parking lock mechanism (2) of a hybrid drive train (1) of a motor vehicle, the hybrid drive train (1) having: a dual clutch transmission (3) havinga dual clutch (4); an internal combustion engine (5); at least one electric machine (6), the internal combustion engine (5) and the electric machine (6) being drivingly or connectable to the dual clutch transmission (3); the parking lock mechanism (2) for positively fixing an output end (7) of the hybrid drive train (1), said parking lock mechanism (2) being activated by a corresponding driver'sintention, comprising the following steps: determining a parking position of a motor vehicle, determining an operating state of an internal combustion engine 5, closing a dual clutch (4) when the internal combustion engine (5) is stationary, activating the electric machine (6) and transmitting a drive torque to an output end (7) of the hybrid drive train (1) as a function of the determined parkingposition of the motor vehicle, and releasing the parking lock mechanism(2).