| 摘要 |
An improved internal combustion engine includes a rotary valve member (20) fitted into a cylinder head (17) with cylindrical openings formed therein. The rotary valve is driven to bring working fluid delivery and evacuation ports (19) into and out of registry with ports (16) leading to the combustion chamber. A sealing member (40) is provided intermediate the valve member (20) and a combustion chamber to prevent the fuel/air mixture or exhaust gases from blowing into the area intermediate the valve member and the cylinder head and into regions intermediate individual cylinders.
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