Smoke detection and disconnection apparatus

Details Smoke detection and disconnection apparatus Smoke detection and disconnection apparatus

1981-06-15

1984-03-13

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

356439, G01N 1506

Patent

active

044370148

ABSTRACT:
Smoke detection and disconnection apparatus that includes a housing having an inlet and an outlet for the passage of smoke and a smoke detection chamber located between the inlet and the outlet. The smoke detection chamber has radiation emitting and detecting equipment for the detection of smoke. An external air deflector or smoke concentrator is connected to the housing for increasing the sensitivity of the smoke detection and disconnection apparatus. The smoke detection and disconnection apparatus not only detects smoke but it also disconnects the electrical equipment that is causing the smoke to prevent further damage. In addition, an alarm is sounded to alert personnel that there is a potential fire hazard with respect to the electrical equipment.

REFERENCES:
patent: 3313946 (1967-04-01), Goodwin et al.
patent: 3376425 (1968-04-01), Kraus et al.
patent: 3773145 (1973-11-01), Drexler
patent: 3932137 (1976-01-01), Culpepper
patent: 4065759 (1977-12-01), Handing

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