Passive deicing for wind turbine blades

Details Passive deicing for wind turbine blades Passive deicing for wind turbine blades

2011-04-12

2011-04-12

Kershteyn, Igor (Department: 3745)

Fluid reaction surfaces (i.e., impellers)

Method of operation

C416S035000, C416S037000, C416S039000, C416S061000, C415S118000

Reexamination Certificate

active

07922449

ABSTRACT:
A method of operating a wind turbine having rotor with at least one blade, includes sensing an icing hazard for the blade; and moving the at least one blade into a position to reduce the icing hazard.

REFERENCES:
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patent: 6523781 (2003-02-01), Ragner
patent: 6890152 (2005-05-01), Thisted
patent: 7086834 (2006-08-01), LeMieux
patent: 7126236 (2006-10-01), Harbourt et al.
patent: 7217091 (2007-05-01), LeMieux
patent: 2008/0078228 (2008-04-01), Nies
patent: 2004084527 (2004-03-01), None

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