Aeronautics and astronautics – Aircraft structure – Ice prevention
Reexamination Certificate
2007-10-09
2007-10-09
Swiatek, Rob (Department: 3643)
Aeronautics and astronautics
Aircraft structure
Ice prevention
C244S13400A
Reexamination Certificate
active
11057508
ABSTRACT:
An aircraft wing (12) comprising a structural member (20) forming the wing's leading edge skin, a Kreuger flap (16) which moves relative to the structural member (20) between a stowed position and a deployed position, and an electrothermal device (34) mounted (e.g., internally mounted) to the structural member (20). An aft portion (30) of the structural member (20) is curved inwardly to form a recess (32), and a fore portion (18) of the flap (16) fits within the notch (32) to form a joggle therebetween. The electrothermal device (34) is a deicing and/or anti-icing device which continuously provides heat to the curved aft portion (30) of the structural member (20) during icing conditions so as to prevent deployment-inhibiting ice buildup on the flap (16).
REFERENCES:
patent: 3363859 (1968-01-01), Watts
patent: 3917193 (1975-11-01), Runnels, Jr.
patent: 4099691 (1978-07-01), Swanson et al.
patent: 4358075 (1982-11-01), Antonov
patent: 4445655 (1984-05-01), Hueberger
patent: 5114100 (1992-05-01), Rudolph et al.
patent: 5158252 (1992-10-01), Sakurai
patent: 5657951 (1997-08-01), Giamati
patent: 6338455 (2002-01-01), Rauch et al.
Goodrich Corporation
Renner Otto Boisselle & Sklar
Swiatek Rob
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