Drive train for a wind turbine
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United States of America Patent
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Apr 28, 2015
Issued Date -
N/A
app pub date -
Jan 18, 2013
filing date -
Jan 20, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A wind turbine drive train (1) comprising a gearbox (2), a generator (3) and a coupling (4) located between an output shaft (5) and a rotor shaft (6). The gearbox and the generator are separate components which have their own housings (7, 8). The output and rotor shafts are respectively supported by a shaft bearing arrangement (15) and a generator rotor shaft bearing arrangement (18a, 18b). The generator housing is directly connected to the gearbox housing. The drive train further comprises a gearbox output module (14), which comprises the output shaft, the shaft bearing arrangement and an output shaft bearing housing (16). The gearbox output module at least partly extends into the generator and the gearbox output module at least partly extends beyond a plane (P) defined by the generator. The coupling extends through the rotor shaft and is coupled, on a generator side (G), to the generator rotor shaft.
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