Nacelle main frame structure and drive train assembly for a wind turbine
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United States of America Patent
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May 12, 2015
Issued Date -
N/A
app pub date -
May 11, 2012
filing date -
Jun 1, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
A nacelle main frame structure and drive train assembly (1) for being mounted on a tower (2) of a wind turbine. The nacelle main frame structure and drive train assembly (1) comprises a nacelle main frame structure (4) with a central part (6) connecting a first part (7) to a second part (8). The first part (7), during wind turbine operation and/or servicing activities, takes up loads of a rotor (9). A drive train (5) is at least partially located between the first and second parts (7, 8). The central part (6) of the main frame structure (4) is located substantially above at least part of the drive train (5) and is such that at least part of the drive train (5) can only be removed from the main frame structure (4) by lowering at least part of the drive train (5) from the main frame structure (4).
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