| 摘要 |
<p>A gas fastening device comprising an internal combustion engine with a combustion chamber (10) arranged between, on the one side, an upstream compression piston (2, 21) and, on the other side, a downstream propulsion piston (3, 31), intake means (5) to inject into the chamber (10) a mixture of air and a fuel, means (7) being provided to fire a mixture injected into the chamber (10), both pistons being mounted mobile into translation for the intake of a mixture into the chamber (10) and, after firing a mixture, for the driving of the fastening element by the downstream propulsion piston (3, 31).</p> |
