Method and apparatus for detection and prevention of fire hazard

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United States of America Patent

PATENT NO 5934379
SERIAL NO

08726926

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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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.

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Patent Owner(s)

Patent OwnerAddress
NORSK HYDRO A S0257 OSLO 2

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
O, slashedstlyngen Tom Wilhelm Oslo, NO 1 38
Thronae, butteds Bjo slashedrn Oslo, NO 1 38

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