Patent ID: 8302713
Filing Date: 2012-11-06
Classification: B60K,B60L,B60W,Y02T

Abstract:
1. A method for operating a vehicle having a hybrid drive, the hybrid drive having an internal combustion engine and at least one electric motor as drive units, the drive units cooperating with one another, the method comprising: applying, to achieve a negative drivetrain setpoint torque, a negative drivetrain setpoint torque by the electric motor; and operating the internal combustion engine to a greatest extent possible outside its overrun mode; wherein operating the internal combustion engine to the greatest extent possible outside the overrun mode includes injecting a maximum amount of a fuel into the internal combustion engine so that the internal combustion engine is operated outside its overrun mode; wherein for generation of an overrun request for the internal combustion engine, a requested drivetrain setpoint torque is compared to a scaled, minimum possible electric motor torque, and wherein a minimum possible electric motor torque is a minimum torque such that an overrun request to the internal combustion engine is not generated.