Method and apparatus for detection and prevention of fire hazard

Details Method and apparatus for detection and prevention of fire hazard Method and apparatus for detection and prevention of fire hazard

1996-10-03

1999-08-10

Pike, Andrew C.

Fire extinguishers

Processes

Of extinguishing fire

169 62, A62C 307

Patent

active

059343796

ABSTRACT:
A fire hazard is automatically detected and a fire is prevented or extinguished in an automotive vehicle upon such vehicle being involved in a collision. The vehicle has an air conditioning system including a container and employing CO.sub.2 as a refrigerant. The occurrence of a collision is detected by an impact sensor. In response to detection of the collision by such a sensor, a processing/control unit opens a valve in a line connected to an outlet at or near a bottom of the container. Thereby, the CO.sub.2 refrigerant is released substantially in liquid phase from the container and passed through the line and is discharged as a fire extinguishing agent into various parts of the vehicle, for example the engine compartment.

REFERENCES:
patent: 2202343 (1940-05-01), Geertz
patent: 3788666 (1974-01-01), Kramer et al.
patent: 4248309 (1981-02-01), Hofle et al.
patent: 4311198 (1982-01-01), Vasquez
patent: 4423784 (1984-01-01), Bolen
patent: 5515691 (1996-05-01), Wertenbach et al.

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