Patent ID: 6453871
Filing Date: 2002-09-24
Classification: F01L,F02B,F02D,F02F,F02M,F16H,Y02T,Y10T

Abstract:
An engine comprising:an engine cylinder provided with an air intake valve through which air is supplied into said engine cylinder; an injector having a fuel injection port, which port is directed towards an interior of said engine cylinder; and a control unit connected to said air intake valve and to said injector, wherein said control unit changes an air intake amount by controlling an opening degree of said air intake valve, and controls an air/fuel ratio by changing an amount of fuel supplied by said injector; wherein said control unit controls said intake valve so that said intake valve is varied with engine output; and wherein lift of the intake valve in a high-output stage of the engine is higher than that in a low-output stage of the engine.