| 摘要 |
<p>A hot gas reciprocating machine, comprising a free piston, one surface of which varies the volume of a working space, while its other surface bounds a buffer space of constant pressure, there being provided a control mechanism which is formed by an auxiliary cylinder and an auxiliary piston which is movable therein, said control mechanism maintaining a given central position of the free piston by instantaneously opening a connection between the buffer space and the auxiliary cylinder space.</p> |
