Method of extinguishing stovetop grease fires and fire extinguis

Details Method of extinguishing stovetop grease fires and fire extinguis Method of extinguishing stovetop grease fires and fire extinguis

1999-04-12

2000-08-22

Kashnikow, Andres

Fire extinguishers

Processes

Of extinguishing fire

169 26, 169 65, 169DIG3, 239379, 239524, A62C 200

Patent

active

061056774

ABSTRACT:
A simple, inexpensive container that may be a canister similar to an aerosol spray can is fixedly or pivotally mounted in inverted fashion above a cooking burner. The canister contains a particulate fire suppressant material and has a closable, downwardly-facing opening directed at the burner. A fusible or meltable material maintains a cap that covers the opening in the closed condition at all times except when a flame results from ignition of fat in a pan on the cooking burner. Upon reaching a temperature of 220 degrees F. or above, the fusible material quickly melts, enabling the cap to open, and the fire suppressant material cascades by gravity into the pan and fat, causing it to be extinguished in a matter of seconds. The cap may be guided on a member having a stop at its lower end to capture the cap and prevent it from splashing into the fat upon ejection. Alternatively, the cap may be hinged to the container and be held in place at the hinge once the container is opened. The material cascades over and around the captured cap in the shape of an inverted conical shower, extinguishing the flame. The fat and fire suppressant material combine to minimize flaring-up even though the burner still remains active.

REFERENCES:
patent: 1063228 (1913-06-01), Thornton
patent: 2749993 (1956-06-01), Gregg
patent: 3216506 (1965-11-01), Bakos
patent: 3747685 (1973-07-01), McCulloch
patent: 3773111 (1973-11-01), Dunn
patent: 3884306 (1975-05-01), Williams
patent: 3884307 (1975-05-01), Williams
patent: 4088192 (1978-05-01), Lamond
patent: 5518075 (1996-05-01), Williams
patent: 5868205 (1999-02-01), Cunningham et al.
patent: 5871057 (1999-02-01), Stehling et al.

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