Patent ID: 6588392
Filing Date: 2003-07-08
Classification: B60K,B60W,F02B,F02D,F02N,Y02T,Y10S

Abstract:
A power train system, comprising:an engine; a drive shaft driven by said engine; a cylinder deactivation system coupled to said engine; a torque-smoothing system coupled to said engine, said torque-smoothing system comprising: an energy storage device, said energy storage device including at least one of an electrical energy storage device and a hydraulic energy storage device, and a torque-smoothing device, said torque-smoothing device provides energy to said energy storage device; a direct cylinder fuel injection system coupled to said engine; and an engine management system electrically connected to said engine, said drive shaft, said cylinder deactivation system, said torque-smoothing system, and said direct cylinder fuel injection system, said engine management system controls said cylinder deactivation system in response to a level of energy in said energy storage device.