Fire zone ventilation shut-off system

Details Fire zone ventilation shut-off system Fire zone ventilation shut-off system

1991-11-04

1993-08-31

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

With safety device

60 3983, 2441292, F02C 725

Patent

active

052398170

ABSTRACT:
A fire emergency ventilation shut-off system for an aircraft having at least one fire zone, includes at least one shut-off valve having an element disposed in an inlet of the fire zone, the valve element being movable between open and closed positions and being normally in the open position to permit air to enter the compartment, and a fuel actuator, operatively coupled to the valve stem, for moving the valve element to the closed position in response to a reduction in engine fuel pressure.

REFERENCES:
patent: 2340006 (1944-01-01), MacGregor
patent: 2952125 (1960-09-01), Brunton
patent: 4097184 (1978-06-01), Hansson
patent: 4441314 (1984-04-01), Fitton
patent: 4535797 (1985-08-01), Rosaen
patent: 4603708 (1986-08-01), Altmann
patent: 4825644 (1989-05-01), Bubello et al.
patent: 5054281 (1991-10-01), Muthch

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