INTERNAL COMBUSTION ENGINE WITH FUEL INJECTION INTO CYLINDER Russian patent published in 1998 - IPC

FIELD: mechanical engineering; internal combustion engines. SUBSTANCE: lower wall of cylinder head forming upper wall of combustion chamber 3 has shape of double pitch cover formed by inclined lower wall 8a which is side of intake valve and inclined lower wall 8b which is side of exhaust valve. Spark plug 6 is located near upper section of double-pitch cover of upper wall of combustion chamber 3. Upper wall of piston 2 which forms lower wall of combustion chamber 3 has the shape of double pitch cover which has inclined upper wall 2a being side of intake valve, and inclined upper wall 2b being side of exhaust valve which are made by inclined lower wall 8a of side of intake valve and inclined lower wall 8b of cylinder head which is side of exhaust valve. Inclined upper wall 2a of piston 2 being side of intake valve has space section 25. EFFECT: provision of optimum efficiency of burning, improved gas resource and increased output power. 25 cl, 64 dwg