Separable blade for wind turbine

Details Separable blade for wind turbine Separable blade for wind turbine

2007-03-06

2007-03-06

Nguyen, Ninh H. (Department: 3745)

Fluid reaction surfaces (i.e., impellers)

Combined or convertible

Hub lubrication or seal

C416S230000, C416S225000

Reexamination Certificate

active

11048736

ABSTRACT:
A separable blade for a wind turbine, the separable blade being divided at a center part thereof in a longitudinal direction into an inner blade portion corresponding to a blade root side and an outer blade portion corresponding to a blade end portion, wherein the separable blade is structured by joining the inner blade portion and the outer blade portion with a joining member made of metal, the separable blade includes: a metal plate placed between the inner blade portion and the outer blade portion and electrically connected to the joining member; and an in-blade electrical conduction wire arranged to extend from the metal plate through a blade root part of the inner blade portion to outside of the blade.

REFERENCES:
patent: 4389162 (1983-06-01), Doellinger et al.
patent: 6612810 (2003-09-01), Olsen et al.
patent: 7040864 (2006-05-01), Johansen et al.
IEC/TC88, IEC61400-24, Ed. 1: Wind turbine generator systems—Part 24: Lighting protection for wind turbines, p. 34.

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