摘要 |
<p>A valve-free four-stroke combustion engine with axially opposed pistons, characteristic in that it comprises an engine block (6) that contains sliding cylinders (5) with pistons (4) pin-fastened to connecting rods with cogs (3) with a working hemisphere (7) and a reversible hemisphere (8), which are in permanent sliding contact with the inclined plate (2) attached to a shaft (1).</p> |