Fluid reaction surfaces (i.e. – impellers) – Specific drive or transmission means – Hand mixers
Reexamination Certificate
2011-05-24
2011-05-24
Look, Edward (Department: 3745)
Fluid reaction surfaces (i.e., impellers)
Specific drive or transmission means
Hand mixers
C416S20400A
Reexamination Certificate
active
07946819
ABSTRACT:
A connection arrangement for connecting drive shafts of a wind turbine including a rotor having a rotor shaft and a hub, and a gearbox having a gearbox input shaft is provided. The connection arrangement includes a first shaft connection means having a recessed portion arranged at the rotor shaft symmetrically to the axis of the rotor shaft, a second shaft connection means having a protruding portion arranged symmetrically to the axis of the gearbox input shaft, wherein the protruding portion of the second shaft connection means engages with the recessed portion of the first shaft connection means, and a fixing means for fixing the protruding portion of the first shaft connection means at the recessed portion of the second shaft connection means. A frictionally engaged connection is provided.
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patent: 6616412 (2003-09-01), Haugen et al.
patent: 2006/0220389 (2006-10-01), Shibata et al.
patent: 2007/0290509 (2007-12-01), Nitzpon
patent: 1457673 (2004-09-01), None
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patent: WO 2009080712 (2009-07-01), None
Becker Christian
Blokhuis Yvo
Hidding Edwin
Thomason Scott
General Electric Company
Global Patent Operation
Look Edward
Prager Jesse
Zhang Douglas D.
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