Creosote buildup detector and annunciator

Details Creosote buildup detector and annunciator Creosote buildup detector and annunciator

1982-03-05

1984-12-04

Swisher, S. Clement

Communications: electrical

Condition responsive indicating system

Specific condition

374 45, 110193, 340540, 340596, G08B 2100, G01K 1300, G01N 2500

Patent

active

044867433

ABSTRACT:
A creosote buildup detector utilizes a change in temperature between two sensors. The temperature between the two sensors changes as the creosote builds up. This change in temperature is established by providing an electric heater to heat one of the sensor supports. A temperature comparator senses the change in relative temperatures between the two sensors and annunciates when a sufficient creosote buildup has occurred to indicate that cleaning the chimney is necessary.

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patent: 4378555 (1983-03-01), Johnson et al.

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