Lift device for rotor blade in wind turbine

Details Lift device for rotor blade in wind turbine Lift device for rotor blade in wind turbine

2011-03-22

2011-11-01

Wiehe, Nathaniel (Department: 3745)

Fluid reaction surfaces (i.e., impellers)

Method of operation

C416S062000, C416S235000, C416S23600R

Reexamination Certificate

active

08047784

ABSTRACT:
A lift device for a rotor blade and a method for increasing the lift of a rotor blade for a wind turbine are disclosed. The rotor blade has exterior surfaces defining a pressure side and a suction side extending between a leading edge and a trailing edge. The lift device includes a first aerodynamic surface configured for mounting to the pressure side of the rotor blade, and a second opposing aerodynamic surface configured to interact with wind flowing past the lift device. The lift device has a generally increasing cross-sectional area in a flow direction of the wind. The lift device is configured to increase the lift of the rotor blade.

REFERENCES:
patent: 1446011 (1923-02-01), Jackson
patent: 2616509 (1952-11-01), Thomas
patent: 7604461 (2009-10-01), Bonnet
patent: 2008/0166235 (2008-07-01), Standish et al.
patent: 2009/0016891 (2009-01-01), Parsania et al.

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