Water spraying control unit for a fire extinguishing sprinkler h

Details Water spraying control unit for a fire extinguishing sprinkler h Water spraying control unit for a fire extinguishing sprinkler h

1999-03-03

2000-10-10

Kashnikow, Andres

Fire extinguishers

Sprinkler heads

169 41, A62C 3708

Patent

active

061291536

ABSTRACT:
A water spraying control unit includes a fire extinguishing sprinkler head. The sprinkler head receives a branch pipe from a pipe line arranged in the ceiling of a building and the sprinkler head suppresses fire by discharging pressured water due to separation of a heat sensing plate and a nut supporting plate from the sprinkler head during a fire. A water spraying plate is joined with a water spraying plate bolt. The water spraying plate bolt is able to move through a through hole of a protruding portion in the outside of the sprinkler head. During a fire, the heat sensing plate and the nut supporting plate melt, enabling the water spraying plate to move downwardly thus opening a path for the pressurized water, the water spraying plate spraying the water over a wide area. Thus, a sprinkler head stored in the ceiling of a building is able to lower itself when actuated and spray water over a large area. In this manner, the sprinkler head is not viewable unless used, and thus aesthetically improves the interior of the building.

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patent: 5094298 (1992-03-01), Polan
patent: 5234059 (1993-08-01), Eynon

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