Aeronautics and astronautics – Aircraft structure – Passenger or crew accommodation
Patent
1976-05-13
1983-06-28
Barefoot, Galen L.
Aeronautics and astronautics
Aircraft structure
Passenger or crew accommodation
98 15, 98119, 1375133, 244117R, 244121, 2441291, B64D 2500, B64D 4500
Patent
active
043901522
ABSTRACT:
A vent assembly for rapidly depressurizing a compartment in an aircraft upon accidental depressurization of another compartment, including an apertured grille through which a circulation of return air normally passes, but which is mounted to swing into a hollow wall of the aircraft to pass a greatly increased flow of depressurizing air into the wall when desired. Two actuator plates are hinged together for differential pressure induced relative pivotal movement, and act upon such movement to swing the grille to its open or venting position. The hinged plates form a wall of a plenum chamber behind the grille, and the normal circulation of return air is so directed as to flow first through the grille, then through the plenum chamber, and then into the interior of the hollow wall beyond the plenum chamber to thereby assure positive and direct exposure of the plates to a change in compartment pressure.
REFERENCES:
patent: 789627 (1905-05-01), Pullman
patent: 1081195 (1913-12-01), Austin
patent: 2194878 (1940-03-01), Tracy
patent: 2679467 (1954-05-01), Sherts
patent: 2925050 (1960-02-01), Candlin et al.
patent: 3057288 (1962-10-01), Pupsdorf
patent: 3938764 (1976-02-01), McIntyre et al.
patent: 4033247 (1977-07-01), Murphy
patent: 4133852 (1979-01-01), Di Nicolantonio et al.
Barefoot Galen L.
Lockheed Corporation
Turner Lowell G.
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