Aerodynamic braking device

Details Aerodynamic braking device Aerodynamic braking device

1995-01-09

1996-11-05

Barefoot, Galen L.

Aeronautics and astronautics

Aircraft sustentation

Sustaining airfoils

244113, 244215, 416 23, 416 14, B64C 2772

Patent

active

055708595

ABSTRACT:
A spoiler flap is pivotably mounted to the rearward portion of a wind turbine blade or wing to control or influence air flow over the surface of the blade or wing. The spoiler flap has forward and rearward edges. The spoiler flap can be pivoted to simultaneously raise the forward edge (into low pressure flow) and lower the rearward edge of the spoiler flap (into high pressure flow). The extent to which the spoiler flap is pivoted determines the extent to which the air flow over the surface of the blade or wing is influenced. When the spoiler flap is fully deployed or pivoted, it serves as a braking device. When it is only partially pivoted, it serves the function of power modulation.

REFERENCES:
patent: 1293228 (1919-02-01), Sopwith
patent: 1389757 (1921-09-01), Haynes
patent: 1423131 (1922-07-01), McNamara
patent: 2138326 (1938-11-01), Pouit
patent: 4015787 (1977-04-01), Maieli et al.
patent: 4297076 (1981-10-01), Danham et al.

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