Pneumatic deicers with inextensible threads

Details Pneumatic deicers with inextensible threads Pneumatic deicers with inextensible threads

1985-02-22

1987-08-18

Barefoot, Galen

Aeronautics and astronautics

Aircraft structure

Ice prevention

B64D 1518

Patent

active

046871594

ABSTRACT:
A pneumatic deicer having a deformable sheet formed of a woven cloth substrate and a fluid-impervious, resilient coating. Inextensible threads are woven into the fabric in a spaced parallel array to define fluid passages therebetween. The passages may be coupled with a source of fluid such as air so that the deicer may be cyclically expanded and contracted to break up ice accumulations on the deicer. A cover ply is secured to the outer face of the deformable layer to expand and contract therewith and to add wear resistance to the deicer. The periphery of the inner face of the deformable sheet may be secured to the leading edge of the aircraft wing through an inner or base ply or, in the alternative, it may be secured directly thereto without the inclusion of the inner or base ply.

REFERENCES:
patent: 3370814 (1968-02-01), Kageorge et al.
patent: 3690601 (1972-09-01), Roemke
patent: 4463919 (1984-08-01), Bac
patent: 4494715 (1985-01-01), Weisend

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