| 摘要 |
A thermodynamic reciprocating machine having an integral compressor in which at least one compression element is present within the buffer space and is connected to the pistonlike member which bounds the buffer space or to the associated piston rod, which element can vary the volume of a compression space, at least one piston ring being present as an inlet valve between the cooperating wall parts of the compression element and the compression space, said ring being incorporated in a groove in the wall of the compression element or of the compression space, an open communication being always present between the compression space and the space in the groove behind the piston ring, the outlet valve which communicates with the compression space being accomodated in the wall of the compression space, the outlet being passed to the outside through a wall of the buffer space.
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