| 摘要 |
Motion generating apparatus comprising: (a) first and second structures which are relatively rotatable, (b) magnetic material associated with one of said structures and characterized as having a first magnetic state at a high temperature and a second magnetic state at a low temperature, (c) a magnet associated with the other of said structures and having a pole to produce flux that intercepts said material as said structures relatively rotate, (d) first means to transfer heat to cause said material to vary in temperature between said high and low temperatures so that magnetic force is exerted on the rotating structure as said material relatively passes in proximity to said magnet, thereby producing torque casing the rotating structures to rotate, and (e) other means to transfer heat from the magnetic material to fluid media.
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