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Direct drive wind turbine

United States Patent

February 27, 2007
View the Complete Patent at the US Patent & Trademark Office
A wind turbine is provided that minimizes the size of the drive train and nacelle while maintaining the power electronics and transformer at the top of the tower. The turbine includes a direct drive generator having an integrated disk brake positioned radially inside the stator while minimizing the potential for contamination. The turbine further includes a means for mounting a transformer below the nacelle within the tower.
Bywaters; Garrett (Waitsfield, VT), Danforth; William (Rochester, VT), Bevington; Christopher (Waitsfield, VT), Jesse; Stowell (Warren, VT), Costin; Daniel (Chelsea, VT)
Northern Power Systems, Inc. (Waitsfield, VT)
11/ 276,912
March 17, 2006
FEDERAL RESEARCH STATEMENT This invention was made with Government support under contract DE-FC36-03GO13131 awarded by the Department of Energy. The Government has certain rights in this invention.