Patent ID: 7235034
Filing Date: 2007-06-26
Classification: B60W,F02D,Y02T,Y10T

Abstract:
1. A vehicle with a combustion engine ( 1 ), that has at least an inlet valve ( 7 ) and at least an exhaust valve ( 8 ) on each combustion chamber, at least one of which has operating devices ( 9 , 10 ) for controlling at least one of an opening time and a lift height of the valves, and electronic controlling devices ( 3 ) that control said operating devices, characterized in that the controlling devices ( 3 ) are arranged to calculate future resistance to forward motion and a period of time to a future transient in an engine's operating condition, while the vehicle is being driven, with the aid of entered information about at least the gradient of the road and a throttle position, and to control said operating devices ( 9 , 10 ) during said period of time for increased level of optimization of the engine's performance, when the transient arises.