A fire extinguisher for closed spaces

A - Human Necessities – 62 – C

Patent

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A62C 13/70 (2006.01) A62C 35/02 (2006.01)

Patent

CA 2221361

A fire extinguisher for closed spaces comprises a pressure container provided with a release valve. The pressure container contains an extinguishant liquid in connection with the release valve. The pressure container contains at the side opposite from the extinguishant liquid in relation to the release valve a pressurized driving gas which at activation of the release valve discharges the extinguishant liquid from the pressure container at a high pressure. At least one nozzle is connected with the release valve for atomizing the extinguishant liquid supplied to the nozzle from the release valve. Thereby the nozzle creates a liquid fog filling the closed space and extinguishing a fire therein substantially by displacing the oxygen in the space.

L'invention porte sur un extincteur d'incendie pour espaces clos, comprenant un récipient sous pression (2) pourvu d'une soupape de décharge (4). Le récipient sous pression (2), qui contient un liquide d'extinction en communication avec la soupape de décharge, contient également, du coté opposé au liquide d'extinction en communication avec la soupape de décharge, un gaz d'alimentation pressurisé qui, lors de l'actionnement de la soupape de décharge, expulse à haute pression le liquide d'extinction du récipient sous pression. Un diffuseur (6), au moins, est relié à la soupape de décharge (4), et est conçu pour atomiser le liquide d'extinction qui lui est fourni par celle-ci. Ce diffuseur produit, de la sorte, un brouillard de liquide pulvérisé emplissant l'espace clos et pour y éteindre un incendie en délogeant, dans une large mesure, L'oxygène se trouvant dans cet espace.

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