Toxic combustion gas alarm

Details Toxic combustion gas alarm Toxic combustion gas alarm

1993-06-17

1995-01-03

Hofsass, Jeffery A.

Communications: electrical

Condition responsive indicating system

Specific condition

116 4, G08B 1710

Patent

active

053790260

ABSTRACT:
A carbon-monoxide detector and alarm circuit for alerting occupants of a structure to a presence of a toxic gas. The apparatus utilizes a probe to detect carbon-monoxide within an air duct of a conventional furnace installation. A siren and a flashing red light are both activated upon a detection of a predetermined amount of carbon-monoxide within the air duct, thereby alerting the occupants to the presence of such carbon-monoxide. The apparatus also includes a warning sign which deploys upon activation of the alarm circuit.

REFERENCES:
patent: 3955186 (1976-05-01), Green et al.
patent: 4349148 (1982-09-01), Liberto et al.
patent: 4478048 (1984-10-01), Dills
patent: 4808977 (1989-02-01), Hedrick
patent: 4862147 (1989-08-01), Thomas
patent: 4881063 (1989-11-01), Fawcett
patent: 5146209 (1992-09-01), Beghelli
patent: 5189392 (1993-02-01), Kass et al.
patent: 5239980 (1993-08-01), Hilt et al.

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