Automatic on-off sprinkler head

Details Automatic on-off sprinkler head Automatic on-off sprinkler head

1986-05-15

1987-11-17

Kashnikow, Andres

Fire extinguishers

Automatic valves

169 90, A62C 3706

Patent

active

047067586

ABSTRACT:
An automatic on-off fire extinguishing sprinkler head including a housing defining inlet and outlet openings; a valve retained by the housing and disposed between the inlet and outlet openings, the valve being movable between a closed position in which it prevents fluid flow between the inlet and outlet openings and an open position in which it allows fluid flow therebetween and a latch releasably latching the valve in the closed position. A release mechanism responds to a sensor by releasing the latch to allow movement of the valve into the open position at a predetermined ambient temperature. Operatively coupled to the valve is a temperature responsive actuator shaped and arranged to allow movement of the valve into its open position in response to ambient temperatures above a given level and to force the valve into its closed position in response to ambient temperatures below the given level.

REFERENCES:
patent: 608677 (1898-08-01), Hibbard
patent: 1107845 (1914-08-01), Sackett
patent: 3874455 (1975-04-01), Klesow
patent: 3924687 (1975-12-01), Groos
patent: 4015665 (1977-04-01), Simons et al.
patent: 4283823 (1981-08-01), Buswell

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