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Method for changing removable bearing for a wind turbine generator

United States Patent

April 22, 2008
View the Complete Patent at the US Patent & Trademark Office
National Renewable Energy Laboratory - Visit the NREL Technology Transfer Website
A wind generator having removable change-out bearings includes a rotor and a stator, locking bolts configured to lock the rotor and stator, a removable bearing sub-assembly having at least one shrunk-on bearing installed, and removable mounting bolts configured to engage the bearing sub-assembly and to allow the removable bearing sub-assembly to be removed when the removable mounting bolts are removed.
Bagepalli; Bharat Sampathkumaran (Niskayuna, NY), Jansen; Patrick Lee (Scotia, NY), Gadre; Aniruddha Dattatraya (Rexford, NY)
General Electric Company (Schenectady, NY)
11/ 243,531
October 5, 2005
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH & DEVELOPMENT The U.S. Government has certain rights in this invention as provided for by the terms of NREL Subcontract No. NREL-ZAM-4-31235-05, Prime Contract DE-AC36-99GO10337 awarded by the Department of Energy.