| 摘要 |
A device which is immersed in liquid for providing rotational output comprising a circular rail (8) and a rotational hub within the rail (8) consisting of a cen tral output shaft (14) from which diametral spokes (10) attached to flexible-walled chamber (12) radiate, the rotation of the spokes (10) is caused by the more expanded chambers (12) being more buoyant will have the tendency to rise in the liquid. |
