Chimney fire extinguishing apparatus

Details Chimney fire extinguishing apparatus Chimney fire extinguishing apparatus

1984-11-01

1987-03-03

Kashnikow, Andres

Fire extinguishers

Apparatus which isolates flames from non-burning area

With means to isolate fire from atmosphere and extinguish

98 86, 1262875, 169 59, 169 23, A62C 304

Patent

active

046468471

ABSTRACT:
Apparatus capable of fitting over the upper exposed end of a chimney liner and operable in the event of a chimney fire to extinguish the fire, the invention can be fitted to existing chimney structures without alteration of the chimney or liner structure. The present apparatus includes an air flow restriction plate which is held in a position allowing free flow through the chimney in normal use situations, the plate being held in place by a heat fusible element. The extremely high temperatures existing during even the first moments of a chimney fire cause melting of the fusible element and therefore closing of the air flow restriction plate to restrict air flow through the chimney and thereby quickly extinguish combustion.

REFERENCES:
patent: 302980 (1884-08-01), Buell
patent: 314121 (1885-03-01), Gilman
patent: 1352255 (1920-09-01), Emerson
patent: 2270073 (1942-01-01), Merry
patent: 2334121 (1943-11-01), Olshin
patent: 4334460 (1982-06-01), Simmons et al.
patent: 4384617 (1983-05-01), Mueller

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