Method and device for altering the separation...

Aeronautics and astronautics – Aircraft sustentation – Sustaining airfoils

Reexamination Certificate

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C244S209000, C244S204000

Reexamination Certificate

active

06866234

ABSTRACT:
Active flow control devices and methods are disclosed for improving the aerodynamic efficiency of airfoils. The devices and methods pertain to applying intermittent suction or intake of low-energy boundary layer fluid into airfoils in a manner delaying or eliminating boundary layer separation.

REFERENCES:
patent: 5054720 (1991-10-01), Page
patent: 5938404 (1999-08-01), Domzalski et al.
patent: 6092990 (2000-07-01), Hassan et al.
patent: 6234751 (2001-05-01), Hassan et al.
patent: 6302360 (2001-10-01), Ng
patent: 6471477 (2002-10-01), Hassan et al.
patent: 6543719 (2003-04-01), Hassan et al.

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