Patent ID: 7278392
Filing Date: 2007-10-09
Classification: B60K,B60W,F02B,F02D,Y02T

Abstract:
1. A method for operating a hybrid vehicle with a multi-cylinder internal combustion engine coupled to an electric motor comprising at least one inlet and at least one outlet valve per cylinder, a variable valve control, and a fuel injection device for directly injecting fuel into the cylinders, with the overall driving power provided to the vehicle being provided in a first partial power by the internal combustion engine and a second partial power by an electric motor, the method comprising the steps of: upon the request for deactivating a cylinder that can be switched off, filling said cylinder with fresh gas and, upon request, to activate the cylinder, injecting a predetermined amount of fuel and igniting a mixture of said fuel and fresh gas in the temporally next suction or compression phase of the cylinder by no later than the end of the compression phase wherein for adjusting the momentum at the activation of a cylinder that was switched off, injecting of fuel multiple times in a homogenous split mode of operation.