Chimney sentinel

Stoves and furnaces – Stove doors and windows – Transparent panel

Patent

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Details

431 13, 126312, F23M 700, F24D 1504

Patent

active

044559968

ABSTRACT:
A novel chimney sentinel is disclosed which facilitates detection of wood stove flue fires. A sight glass is provided which is kept clear during use through a controlled ventilation of the interior surface of the sight glass. The sight glass is easily removed by hand, even during flue operation, to provide fire extinguisher access to the flue interior.

REFERENCES:
patent: 205985 (1878-07-01), Way
patent: 254049 (1882-02-01), Robinson
patent: 424035 (1890-03-01), Sweetland
patent: 673476 (1901-05-01), Robinson
patent: 941900 (1909-11-01), Wood
patent: 2072758 (1937-03-01), Libby
patent: 2531139 (1950-11-01), Lilly et al.
patent: 2545148 (1951-03-01), Jones

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