FOUR STROKE GASOLINE CYLINDER INJECTION ENGINE

摘要

PROBLEM TO BE SOLVED: To prevent temporary pressure rise caused in a combustion chamber and to restrain knocking and generation of nitrogen oxide by adding a simple constitution in the combustion chamber. SOLUTION: A gasoline injection nozzle is provided on a wall surface of a combustion chamber facing a space surrounded by a cylinder, a piston and a cylinder head of a four stroke gasoline cylinder injection engine, and a slender hollow space connected to the wall surface of the combustion chamber through a small diametrical opening is provided.