Fire detection including an air movement device and pre-conditio

Details Fire detection including an air movement device and pre-conditio Fire detection including an air movement device and pre-conditio

1999-02-24

2000-09-12

Hofsass, Jeffery A.

Communications: electrical

Condition responsive indicating system

Specific condition

340578, 340579, 340628, 340584, 340648, G08B 1712

Patent

active

061183814

ABSTRACT:
A system for the detection of fire in an apparatus or device having a fan and a pump, comprising means 20, 25 for detecting the presence of a pre-condition of fire, control means 30 for deactivating the fan on detection of said precondition, and fire detector means 35 for detecting smoke or fire in the absence of air movement.

REFERENCES:
patent: 4063595 (1977-12-01), Phillips
patent: 4496817 (1985-01-01), Smith
patent: 4818970 (1989-04-01), Natale et al.
patent: 5260691 (1993-11-01), Shyu
patent: 5471359 (1995-11-01), Simpson et al.

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