Fire protection apparatus

Details Fire protection apparatus Fire protection apparatus

1977-01-07

1979-07-24

Pitts, Harold I.

Communications: electrical

Systems

Signal box type

340287, 340303, G08B 2500

Patent

active

041624858

ABSTRACT:
A multi-zone fire protection system in which each protected zone is provided with a detector for producing an alarm signal in response to the presence of combustion products, a source of fire extinguishing agent, and a pull box station manually operable to induce discharge of the extinguishing agent into the protected zone. Each pull station possesses a signal lamp that can be energized to signal an abnormal condition to personnel present in the area. A signal lamp in a given zone is energized via a central control panel in response to an alarm signal from a detector associated with that zone, thereby clearly indicating to personnel at hand the specific zone in which a fire has been detected.

REFERENCES:
patent: 2189147 (1940-02-01), Mathisen
patent: 2547016 (1951-04-01), Kirkpatrick
patent: 3183501 (1965-05-01), Seaton
patent: 3825766 (1973-07-01), Connor
patent: 3859565 (1975-01-01), Henningsen

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