Apparatus for indicating creosote buildup in a chimney

Details Apparatus for indicating creosote buildup in a chimney Apparatus for indicating creosote buildup in a chimney

1980-12-31

1984-03-13

Caldwell, Sr., John W.

Communications: electrical

Condition responsive indicating system

Specific condition

98 58, 200 6121, 340617, 340666, 177 46, 177 50, G08B 2100

Patent

active

044370903

ABSTRACT:
In order to provide an indication of the extent to which creosote has built up in a chimney, an accumulator on which creosote will also build up is held suspended in a chimney in a zone where a major creosote buildup is anticipated. The accumulator is so connected to a normally open switch in a signal circuit that its weight and that of a predetermined creosote deposit thereon will close the switch, a signal is then energized to warn that the chimney should be cleaned or at least inspected.

REFERENCES:
patent: 842554 (1907-01-01), Johnson
patent: 2521471 (1950-09-01), May
patent: 2571378 (1951-10-01), Parisi
patent: 2714937 (1955-08-01), Houle
patent: 2879708 (1959-03-01), Cripe
patent: 4312225 (1982-01-01), Williams

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