Patent ID: 7287513
Filing Date: 2007-10-30
Classification: F02B,F02D,Y02T

Abstract:
1. Method for controlling the opening and closing of intake valves of an internal combustion engine comprising an indirect fuel injection system, comprising at least a first intake valve-and a second intake valve per cylinder, each valve making it possible to close or open a first and a second intake pipes, respectively, of the cylinder and being controlled independently from the other valve, at least one of the pipes being supplied with fuel and at least one of the other pipes not being supplied with fuel, wherein the method comprises controlling the closing of the valve(s) corresponding to the intake pipe(s) supplied with fuel during the time intervals when the injection system does not operate, and during these time intervals, controlling the opening of the intake valve(s) corresponding to the intake pipe(s) not supplied with fuel, so as to supply the cylinder with air.