Patent ID: 7562530
Filing Date: 2009-07-21
Classification: F01L,F01N,F02B,F02D,F02M,F02N,Y02T

Abstract:
1. A method for controlling engine torque while deactivating a first group of cylinders of an engine while a second group of cylinders is active, the engine including the first and second groups of cylinders, the method comprising: adjusting the valves of said second group of cylinders and the output flow rate of a turbo charger that is in communication with said second group of cylinders as said first group of cylinders is deactivated; and adjusting efficiency of a turbo charger that is in communication with said first group of cylinders in response to a request to deactivate said first group of cylinders, said efficiency being adjusted by changing a position of turbine vanes or by adjusting the position of a waste gate.