| 摘要 |
PURPOSE:To utilize a shape memorizing alloy for providing a prime mover rotating continuously a rotor with simple constitution by heating, cooling, expanding and contracting a shape memorizing alloy spring to rotate the rotor having the inner peripheral ring eccentric to the outer peripheral ring. CONSTITUTION:Ball bearings 4, 5 are disposed respectively on the inside of peripheral portion 2 and the outside of eccentric shaft portion 3 in a casing 1, and a rotor 6 is rotatably disposed between the ball bearings 4, 5. The rotor 6 is constituted from an outer peripheral ring 7, inner peripheral ring 8 and shape memorizing alloy spring 9. On the other hand, hot air and cold air are supplied respectively from a heater 13 and cooler 14 through openings 11, 12 into the casing 1. Thus, said spring 9 is heated and contracted, while being cooled and expanded. Components of force F2, F5 in the rotational direction are generated respectively in the expansion and contraction of said spring 9 so that the rotor 6 is continuously rotated. |
