Improved fire fighting nozzle and method including pressure...

Details Improved fire fighting nozzle and method including pressure... Improved fire fighting nozzle and method including pressure...

A - Human Necessities

62

C

A62C 99/00 (2010.01) A62C 31/03 (2006.01) B05B 1/32 (2006.01)

Patent

CA 2423593

A selectively automatic fire fithting nozzle a method of use including adjustable means (ST) of limiting a range of automatic adjustement (B) of a discharge orifice of the nozzle, providing an option of selecting a constant pressure for a first fraction of a discharge window and selecting a relatively constant flow for a second fraction.

L'invention concerne une buse de lutte contre l'incendie sélectivement automatique, et un procédé d'utilisation. La buse comprend un dispositif réglable (ST) permettant de limiter une capacité de réglage automatique (B) d'un orifice de décharge de la buse, ce qui fournit l'option de sélectionner une pression constante pour une première fraction d'une fenêtre de décharge et de sélectionner un débit relativement constant pour une seconde fraction.

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