Method and apparatus for extinguishing combustion within combust

Details Method and apparatus for extinguishing combustion within combust Method and apparatus for extinguishing combustion within combust

1998-02-27

1999-07-27

Rivell, John

Fluid handling

Processes

137 74, 137 75, 251 4, F16K 1738

Patent

active

059273127

ABSTRACT:
A self-extinguishing conduit for conveying a gas capable of supporting combustion of the conduit interior from an upstream to a downstream location includes a combustible tubing and a flow occluder operatively associated with the combustible tubing. The flow occluder is actuated by the heat of combustion within the combustible tubing to substantially halt the flow of gas through the combustible tubing. A combustion resistant material defines a select length of the conduit interior and is provided in series with the combustible tubing. The flow occluder is located downstream and proximate the combustion resistant material. A method for extinguishing combustion within a combustible conduit carrying a combustion supporting gas includes halting migration of combustion within the conduit at a select location and occluding the conduit at the select location.

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