Fire extinguishers – Processes – Of preventing fire
Reexamination Certificate
2011-03-08
2011-03-08
Ganey, Steven J (Department: 3752)
Fire extinguishers
Processes
Of preventing fire
C169S037000, C169S046000, C169S061000, C169S062000, C169S014000, C169S044000, C244S129200, C096S134000, C095S096000, C239S008000, C239S418000
Reexamination Certificate
active
07900709
ABSTRACT:
An aircraft fire-extinguishing system provides automatic fire prevention and/or suppression simultaneously in fuel tanks, cargo compartments and, when needed, in cabin using injection of hypoxic (oxygen-depleted) air produced onboard in an air-separation device utilizing the flow and pressure of the bleed air. The same air-separation device allows supplying passengers and crew with unlimited amounts of oxygen for as long as needed. New methods of a rapid fire suppression utilizing the propulsion of water mist or fire-extinguishing foam by hypoxic air are presented. The combination of water mist or foam with hypoxic air allows to present two innovative fire-extinguishing compositions.
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