| 摘要 |
A coupling for operatively connecting a rotary turbine having a hub carrying a plurality of wires with a driven shaft. An external sun gear is formed on the turbine hub and a planetary gear carrier is mounted on the shaft for rotation with the shaft. The planetary gear carrier supports a plurality of planetary gears mounted for individual rotation which mesh with the sun gear on the hub. A ring gear carrier is mounted for rotation about the shaft and is formed with an internal ring gear which meshes with the planetary gears. A brake band surrounds the external periphery of the ring gear carrier and may be tightened to embrace the external surface of the ring gear carrier to lock it. When the internal ring gear is locked by the brake band, rotation of the planetary gears rotates the planetary gear carrier which rotates the shaft. When the brake band is loose, the ring gear carrier is rotated about the shaft by the planetary gears which are rotated by the sun gear on the shaft.
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