Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Irregular – flanged or channel forming blade surface
Reexamination Certificate
2011-04-19
2011-04-19
Nguyen, Ninh H (Department: 3745)
Fluid reaction surfaces (i.e., impellers)
Specific blade structure
Irregular, flanged or channel forming blade surface
C416S228000
Reexamination Certificate
active
07927078
ABSTRACT:
A wind turbine includes a tower supporting a drive train with a rotor, at least one blade extending radially from the rotor; and a plurality of substantially flat flaps extending substantially perpendicular from a suction surface of the blade and along different chord lines near a tip of the blade for capturing and directing tip vortices toward a trailing edge of the blade.
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“A Review of Wind Turbine Noise,” DEWI Magazin, Nr. 28, at pp. 32-39 (Feb. 2006).
Parsania Nishant
Standish Kevin
Cusick Ernest G.
General Electric Company
Heinze William F.
Landgraff Frank A.
Nguyen Ninh H
LandOfFree
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