| 摘要 |
A sliding vane motor comprises a housing (1), a rotor (3), a plurality of vanes (4), the housing (1), the vanes (4) and the rotor (3) forming a plurality of pressure spaces (5, 6, 7, 8) sealed from one another. According to the invention the sliding vane motor comprises at least one passage (11) extending through the rotor between at least a first (6) and a second (8) of said pressure spaces and a valve device (12, 13, 17, 18) adapted to keep the passage (11) closed, when the rotational speed of the rotor (3) is less than a predetermined value, and to keep the passage (11) open, when the rotational speed of the rotor (3) amounts to at least said predetermined value.
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