| 摘要 |
<p>An apparatus for transforming pressure and/or flow motion of a fluid into rotational movement of a body, or vice versa, which apparatus includes a house (1), a central screw (3) and at least one additional screw (5a, 5b) cooperating therewith, said screws being positioned in channels (2, 4a, 4b) in said house. Pipe members (6a, 6b) are provided for the supply of a fluid to the channels of the house, said central screw being fixed to one of said pipe members. An energy transfer means (1, 30, 35) is provided integral with said house for transferring, in respect of a unit exterior to the house, a rotational movement from or to said house. For permitting supply and discharge of fluid at the same end of said house, said pipe members are disposed in each other, the inner pipe member (6b) communicating with a channel through said central screw for conveying said fluid to the other end of said house where the fluid is diverted by an end wall to be conveyed back through the channels in the house. </p> |
