| 摘要 |
The rotary machine according to the invention comprising a screw coupled with a driving unit, a housing provided with suction and delivery openings and a prism-shaped membrane body arranged between said housing and said screw. The side walls (4) of the prism-shaped membrane (3) are connected to each other by curved segments (5) arranged outside the space defined by the outer diameter of the screw (2) and/or by the inner wall surfaces of the membrane (3), wherein the membrane (3) may be provided with reinforcing coils springs, filaments or textile inserts, and/or with zones of different elastic modules or wall thickness.
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