| 摘要 |
The invention relates to a compression and expansion machine comprising a body (12a) with at least one chamber (12) of revolution about an axis of symmetry and rotary pistons (14a, 14b, 14c, 14d) rotating about the axis of symmetry and dividing the chamber into rotary cells (15a, 15b, 15c, 15d) rotating with the pistons, said machine further comprising a coordination device (22) for coordinating the movement of said pistons and configured so that, during one revolution, each cell (15a, 15b, 15c, 15d) performs at least one first expansion/contraction cycle corresponding to a stage of compressing a first stream of gas passing through this cell and at least one second expansion/contraction cycle corresponding to a stage of expanding a second stream of gas passing through this cell. |
