Valve apparatus for ram-air wings

Details Valve apparatus for ram-air wings Valve apparatus for ram-air wings

1996-03-15

1996-11-12

Ellis, Christopher P.

Aeronautics and astronautics

Safety lowering devices

Parachutes

244152, 244142, B64D 1704

Patent

active

055732070

ABSTRACT:
This invention describes a ram-air type inflatable wing that is resistant to deflation. The inflatable air wing includes a plurality of cells disposed between the top and bottom skins of the wing, with at least one valve positioned within each of a plurality of cells. Each valve generally inhibits deflation of the cells when the air pressure inside the cells is greater than the air pressure outside the cells and permits the cells to inflate when the air pressure outside the cell is greater than the air pressure inside the cells.

REFERENCES:
patent: 3749337 (1973-07-01), Jalbert
patent: 4191349 (1980-03-01), Pravaz
patent: 4930728 (1990-06-01), Wittington
patent: 5169092 (1992-12-01), Murakami
patent: 5201482 (1993-04-01), Ream
patent: 5303883 (1994-04-01), Brewer
patent: 5368259 (1994-11-01), Tabor

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