Apparatus for delaying the pressure drop in pressurized cabins o

Details Apparatus for delaying the pressure drop in pressurized cabins o Apparatus for delaying the pressure drop in pressurized cabins o

1976-07-30

1978-02-14

Barefoot, Galen L.

Aeronautics and astronautics

Aircraft structure

Load accommodation

244121, 2441294, B64D 4500

Patent

active

040734528

ABSTRACT:
The pressure drop in a pressurized cabin, for example, in an aircraft cab is delayed following the occurrence of an emergency resulting from a door failure, by a mat which has a low air permeability. Such a mat is mechanically secured to the cabin structure to cover the openings in the cabin or body on the inside thereof, for example, to cover a door opening in flight. The air permeability of these mats is such that a pressure equalization is delayed by a time safe enough for humans, whereby the pressure equalization rate does not exceed approximately 2.4 PSI/sec.

REFERENCES:
patent: 1253293 (1918-01-01), Sons
patent: 1319378 (1919-10-01), Deam
patent: 2605064 (1952-07-01), Davis
patent: 2624403 (1953-01-01), Zelenko
patent: 2669402 (1954-02-01), Del Mar
patent: 2949841 (1960-08-01), Richardson
patent: 2989787 (1961-06-01), Smith
patent: 3389665 (1968-06-01), Kauffman
patent: 3885685 (1975-05-01), Montgomery et al.

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