Various systems and methods are disclosed for carrying out combustion in a fuel-cut operation in some or all of the engine cylinders of a vehicle. Further, various subsystems are considered, such as fuel vapor purging, air-fuel ratio control, engine torque control, catalyst design, and exhaust system...http://www.google.fr/patents/US7025039?utm_source=gb-gplus-shareBrevet US7025039 - System and method for controlling valve timing of an engine with cylinder deactivation
System and method for controlling valve timing of an engine with cylinder ...
