Sprinkler or fire-extinguishing nozzle

Details Sprinkler or fire-extinguishing nozzle Sprinkler or fire-extinguishing nozzle

1987-02-18

1989-01-31

Peters, Jr., Joseph F.

Fire extinguishers

Sprinkler heads

169 39, 2395905, A62C 3710

Patent

active

048009610

ABSTRACT:
In a sprinkler or spray nozzle for on-site fire-extinguishing systems provided with at least one intake opening (11) and with at least one outlet opening (16) downstream of the intake opening, and optionally provided with a downstream deflector, the outlet opening determining the flow of liquid of liquid fire-extinguishing agent in accordance with the pressure on the agent, the improvement wherein the open cross-section of the intake opening is smaller to a prescribed extent than the open cross-section of the outlet opening, and the nozzle includes a connector with an open cross-section that initially tapers out like that of a diffuser from the intake opening toward the outlet opening over at least part of its length and then contracts into a constriction (9) positioned between the intake opening and its associated outlet opening.

REFERENCES:
patent: 2295228 (1942-09-01), Malsbary et al.
patent: 2893646 (1959-07-01), Batts
patent: 4151955 (1979-05-01), Stouffer
patent: 4434855 (1984-03-01), Given, Jr.

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