Chimney cap unit for extinguishing a starting chimney fire

Details Chimney cap unit for extinguishing a starting chimney fire Chimney cap unit for extinguishing a starting chimney fire

1989-06-09

1990-08-14

Joyce, Harold

Fire extinguishers

Special applications

Condition responsive control

169 49, 169 57, F23L 1100

Patent

active

049477366

ABSTRACT:
Chimney cap unit for extinguishing a starting chimney fire, comprising a part which greatly but not completely restricts the draught during the fire in the flue, and a part which regulates the outflow of the remaining flue gas stream through the normal flue, in such a way that after a chimney fire the throughflow aperture is partially restored, so that no counterflow, which could result in flue gases entering the living-room, can occur in the flue.

REFERENCES:
patent: 1063068 (1913-05-01), Rose
patent: 4519301 (1985-05-01), Wetzel

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