Water mist generating head

Details Water mist generating head Water mist generating head

A - Human Necessities

62

C

A62C 31/07 (2006.01) A62C 99/00 (2010.01)

Patent

CA 2567657

Water mist generating head comprises a twin-flow body with water and gas manifold, axially symmetrical gas nozzles and annular water port, concentrically situated between the nozzles. The water port (9) has water nozzle (8) at the outlet, convergent towards the axis and gas nozzles, central (3) and outer annular (5) having a Laval nozzle profile with outlet channel with walls parallel to the axis. The head is designed for the purpose of extinguishing fires and deactivation of chemical and biological contamination.

L'invention concerne une tête de brumisation d'eau comprenant un corps à double flux pourvu d'une rampe d'alimentation en eau et en gaz, des buses à gaz axialement symétriques, et un orifice d'eau annulaire, situé concentrique entre les buses. Cet orifice d'eau (9) comprend une buse à eau (8) au niveau de sa sortie, qui converge vers l'axe et les buses à gaz, des anneaux central (3) et extérieur (5) présentant un profil de buse Laval, avec un canal extérieur comprenant des parois parallèles à l'axe. La tête de brumisation d'eau selon l'invention est conçue pour éteindre les incendies et désactiver la contamination chimique et biologique.

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