| 摘要 |
<p>A rotor device powered by a moving fluid, has an elongate rotor blade mounted in the path of the moving fluid for rotation about a fixed axis. The blade has a generally rectangular planar front face (10) and a curved rear face (11) joining the longitudinal edges of the front face. The rear face is uniform along the length of the blade, and symmetrical about the longitudinal axis of the blade.</p> |
