DEVICE FOR FIRE DETECTION IN ROOMS WITH SPACE BETWEEN CEILINGS Russian patent published in 2002 - IPC

Abstract RU 2178919 C1

FIELD: automatic fire control and fire alarm systems. SUBSTANCE: device has fire alarm arranged on stationary ceiling and joined to hole in suspended ceiling by means of smoke channel provided with deflector at its inlet. Definite proportion is set between diameter of smoke channel, its length, and distance between stationary ceiling and smoke channel. EFFECT: enhanced reliability; simplified design. 2 cl, 1 dwg

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RU 2 178 919 C1

Authors

Vasil'Ev M.A.

Levchuk S.A.

Meshcherjakov A.V.

Tanklevskij L.T.

Dates

2002-01-27—Published

2000-05-23—Filed