Hybrid vehicle and engine therefor

摘要

The present invention relates to an engine, in particular for a hybrid vehicle, comprising a fuel-air mixture delivery system delivering fuel-air mixture to a cylinder of the engine and a main intake pipe connecting the fuel-air mixture delivery system to an intake port inlet portion of the cylinder, wherein a length along a centerline of the main intake pipe measured from an intake port end of the main intake pipe to the intake port inlet portion is in the range of 3 to 15 times larger than an inside diameter of the main intake pipe.