| 摘要 |
A wind turbine gear box having a compound planetary gear arrangement having bearings providing improved reliability and with greater accessibility for servicing. The gear box has planet pinions and planet gears being rotated by a planet carrier around a sun gear which drives a final reduction stage, the final reduction stage and the adjacent end of the planet carrier being removable from the gear box housing to allow easy removal of the planet pinions and their associated bearings.
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