| 摘要 |
A machine (20) to convert energy providing positive displacement of a fluid contained in operating chambers (105). The machine can either increase the pressure of a fluid or extract energy from a pressure differential to a rotating shaft (30). The machine having desirable balance features about various axes (10a, 10b, 12a, 12b, 14a, 14b) of the rotors (26, 28). The machine additionally having desirable axial flow characteristics to pass fluids substantially in the axial direction.
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