Fluid reaction surfaces (i.e. – impellers) – Method of operation
Reexamination Certificate
2005-05-10
2005-05-10
Nguyen, Ninh H. (Department: 3745)
Fluid reaction surfaces (i.e., impellers)
Method of operation
C416S039000, C416S041000, C416S14600A
Reexamination Certificate
active
06890152
ABSTRACT:
Methods and Apparatuses for deicing a wind turbine blade are described herein. In one embodiment, an exemplary process includes detecting an icy condition on a wind turbine blade and causing at least a portion of the wind turbine blade to vibrate, causing the ice built up on the wind turbine blade to break off.
REFERENCES:
patent: 3779488 (1973-12-01), Levin
patent: 4732351 (1988-03-01), Bird
patent: 6612810 (2003-09-01), Olsen et al.
Blakely , Sokoloff, Taylor & Zafman LLP
General Electric Company
Nguyen Ninh H.
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