Method of extinguishing fires

Details Method of extinguishing fires Method of extinguishing fires

2006-06-06

2006-06-06

Hwu, Davis (Department: 3752)

Fire extinguishers

Processes

Of extinguishing fire

C169S024000, C169S047000, C239S146000, C239S172000

Reexamination Certificate

active

07055615

ABSTRACT:
A method for subduing a fire (70) is disclosed. This method is performed by operating a jet turbine (20), having an exhaust (22), to direct the exhaust (22) into a moving front of the fire (72), generally against the movement of the front of the fire (72). A retardant (30), preferably dust, is directed from a supply tank (40) into the exhaust (22), through a pressurized conduit (42). Alternately, dust or other material (32) is lifted from the land around the fire (70) and blown into the fire (70), extinguishing the fire (70) or decreasing its intensity. To completely extinguish the fire (70), it may be necessary to further douse the fire with either or both water and a second retardant.

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patent: 908890 (1962-10-01), None

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