| 摘要 |
<p>An apparatus comprising a shaft (1, 21, 71, 113) mounted for rotation and a compensator balancing sleeve (3, 23, 73) for balancing the shaft on rotation of the shaft, wherein the axes of the shaft and the compensator balancing sleeve are substantially concentric, wherein one end (5, 25, 75) of the compensator balancing sleeve is secured to the shaft so that the compensator balancing sleeve rotates with the shaft, wherein the remaining length of the compensator balancing sleeve is unencumbered to flex upon rotation of the shaft, characterised in that the compensator balancing sleeve is located internal to the shaft within a cavity (7, 27, 77) inside the shaft.</p> |
