Drive hub unit for a wind power generator
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United States of America Patent
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app pub date -
Feb 16, 2008
filing date -
Feb 22, 2007
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Abstract
A transmission-hub unit (1) for a wind energy installation includes transmission (3) including a single piece rotatably supported transmission part (12, 27) which comprises the input gear wheel (1 1) of the transmission (3) as well as the blade-hub (2). Preferably, only two radial bearings (16, 18) for the support of the blade-hub (2) and the gear wheel (11) are provided. Additionally, axial bearings may be provided. A particularly compact, short, and light-weight arrangement for the transmission (3) and the blade-hub (2) is obtained thereby. The concept is particularly suitable for large wind energy installations.
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