Flap device

Details Flap device Flap device

2011-02-22

2011-02-22

Ellis, Christopher P (Department: 3644)

Aeronautics and astronautics

Aircraft sustentation

Sustaining airfoils

C244S213000

Reexamination Certificate

active

07891612

ABSTRACT:
A flap device adapted for location on or in a fluid interfacing surface such as an airfoil section, the device comprising a housing, a flap mounted for rotation at least partially within the housing, an entry in a leading portion of the housing, and at least one stop member associated with the housing and actuable between a non-operative parked position and an operative position in which in use the stop member is adapted to limit the movement of the flap within the housing thereby to vary the coefficient of lift and drag of the fluid interfacing surface or airfoil section.

REFERENCES:
patent: 1841804 (1932-01-01), Hall
patent: 2257215 (1941-09-01), Zap
patent: 3831885 (1974-08-01), Kasper
patent: 4566657 (1986-01-01), Grow
patent: 4881703 (1989-11-01), Nahas
patent: 5566910 (1996-10-01), Diekmann et al.
patent: 5895015 (1999-04-01), Saiz
patent: 6565045 (2003-05-01), Correge et al.
patent: 7740205 (2010-06-01), Nahas
patent: 2003/0102410 (2003-06-01), Gessler et al.
patent: 2007/0102588 (2007-05-01), DuRant
patent: 2009/0072085 (2009-03-01), Mason et al.

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