| 摘要 |
<p>Internal combustion engine comprising a cylinder block (1) including a cylinder and a piston (3) reciprocally movable within the cylinder, a cylinder head (2) provided with suction ports (5a, 5b) and an exhaust port (11) open to the cylinder, respectively suction and exhaust valves (6a, 6b, 8) provided adjacent to the upper dead point of the piston. The suction valves (6a, 6b) are disposed substantially uprightly in the direction of movement of the piston (3) and the exhaust valve (8) is inclined wtth respect to the direction of movement of the piston with the bottom of the exhaust valve directing towards the suction valves to define the combustion chamber (12) between the bottom of the exhaust valve and the upper surface of the head of the piston (3).</p> |
