Fast response sprinkler head and fire extinguishing system

Details Fast response sprinkler head and fire extinguishing system Fast response sprinkler head and fire extinguishing system

A - Human Necessities

62

C

A62C 37/12 (2006.01)

Patent

CA 2324436

A fast response, upright sprinkler head includes a body having a central orifice through which fire extinguishing fluid is expelled through an outlet end. A yoke extends beyond the outlet end of the sprinkler body and is connected at its apex to a deflector. A fusible trigger assembly is coupled to the yoke and the outlet end of the sprinkler head. The deflector is formed with a planar member having a skirt depending in an outward direction at a pre-selected angle from the vertical, and an annular ledge extending horizontally from the skirt. The skirt has a plurality of through-holes. The angle of the skirt, as well as the through-holes, alter the trajectory of the fluid to provide droplets capable of penetrating the fire plume and reaching the fire source.

Tête d'extincteur debout à action rapide dont le corps comporte un orifice central par lequel un fluide extincteur est expulsé en passant par une extrémité de sortie. Un étrier s'étend au-delà de l'extrémité de sortie du corps d'extincteur et est relié par son sommet à un déflecteur. Un ensemble de fusibles déclencheurs est couplé à l'étrier et à l'extrémité de sortie de la tête d'extincteur. Le déflecteur est formé d'un élément plan avec une jupe extérieure à un angle déterminé par rapport à la verticale et un rebord annulaire horizontal. La jupe comporte plusieurs trous débouchants. L'angle de la jupe et les trous débouchants modifient la trajectoire du liquide de façon à diffuser des gouttelettes, qui peuvent pénétrer la fumée d'incendie et en atteindre la source.

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