Methods and apparatus for measuring wind turbine blade...

Rotary kinetic fluid motors or pumps – With means for controlling casing or flow guiding means in... – Natural fluid current force responsive

Reexamination Certificate

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C415S118000, C416S061000

Reexamination Certificate

active

07059822

ABSTRACT:
A method for determining rotor blade deflection, wherein a rotor blade is coupled to a hub, includes coupling a first end of a beam to the rotor blade, positioning a second end of the beam adjacent the hub, measuring the deflection of the beam using at least one sensor, and determining the deflection of the blade based on the deflection of the beam.

REFERENCES:
patent: 3515485 (1970-06-01), Frank
patent: 4887468 (1989-12-01), McKendree et al.
patent: 5249470 (1993-10-01), Hadley et al.
patent: 6619918 (2003-09-01), Rebsdorf
patent: 2004/0057828 (2004-03-01), Bosche

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