Fire extinguishers – Sprinkler heads
Patent
1984-10-18
1986-04-29
Kashnikow, Andres
Fire extinguishers
Sprinkler heads
169 40, 239498, 239499, 239504, 239524, A62C 3708, B05B 126
Patent
active
045850690
ABSTRACT:
A liquid discharge nozzle that is operative for discharging liquid in a relatively narrow, elongated spray pattern. The nozzle includes a deflector having an elongated central apex portion of preferably arcuate configuration and a pair of side portions diverging from opposite side edges of the apex portion and having tines formed along the terminal edges thereof; and a frame for mounting the deflector adjacent a liquid discharge outlet so that when liquid is discharged from the outlet, at least a portion of the liquid impinges on the inner surface of the central portion of the deflector and is deflected outwardly along the inner surfaces of the deflector. Preferably, a substantially centrally disposed inwardly projecting boss of generally elliptical configuration is formed in the central apex portion of the deflector and a deflector mounting boss is formed on the frame adjacent the deflector boss. The two bosses are preferably disposed centrally in the flow path of liquid discharged from the outlet so that they cooperate for initially redirecting the liquid outwardly along the inner surfaces of the deflector to assure that sufficient quantities of liquid are disbursed throughout the central portion of the elongated spray pattern. The combination of the tines and slots located along the longitudinal side edges of the deflector helps spread the flow of liquid uniformly throughout the regions adjacent to the longitudinal peripheries of the relatively narrow spray pattern.
REFERENCES:
patent: 459449 (1891-09-01), Smith
patent: 2135138 (1937-05-01), Kendall
patent: 4279309 (1981-07-01), Fischer et al.
Burkhart Patrick N.
Grinnell Fire Protection Systems Company, Inc.
Kashnikow Andres
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