Fire suppression device

Details Fire suppression device Fire suppression device

A - Human Necessities

62

C

A62C 5/00 (2006.01)

Patent

CA 2632192

A portable fire extinguishing device (10) capable of suppressing a fire in a room or other enclosed area comprises a housing (12) containing a pyrotechnic composition (14) and a delay fuze (18). Upon initiation, the pyrotechnic composition (14) burns and generates combustion byproducts that include an inorganic halogen compound that is dispersed as a aerosol of fine particles, or a gas that rapidly condenses into an aerosol of fine particles, the particle size of which is so small that the free-fall velocity of the particles is less than the average air currents in the room. Accordingly, the fire suppression aerosol remains suspended for several hours to act as a fire suppressant and because of its persistence will seek out and suppress even hidden fires.

L'invention concerne un dispositif portable d'extinction d~incendie (10) capable d~éteindre un incendie dans une pièce ou autre local fermé comprenant un logement (12) contenant une composition pyrotechnique (14) et un fusible de temporisation (18). A l~allumage, la composition pyrotechnique (14) brûle et génère des produits dérivés de combustion comportant un composé halogène inorganique qui est dispersé comme aérosol de fines particules, ou un gaz qui se condense rapidement en aérosol de fines particules, dont la taille particulaire est si petite que la vitesse en chute libre des particules est inférieure aux courants d~air moyens dans la pièce. En conséquence, l~aérosol d'extinction d~incendie reste suspendu plusieurs heures pour faire office d~extincteur d~incendie et grâce à sa persistance il recherchera et éteindra même les incendies larvés.

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