Kiln alarm

Details Kiln alarm Kiln alarm

1975-07-09

1977-01-04

Harris, George

Communications: electrical

Systems

Call station

200 6108, 337402, 337404, H01H 3776, G08B 2900

Patent

active

040017990

ABSTRACT:
An apparatus activates an alarm when the heat and temperature provided by a kiln reach a predetermined level. The apparatus includes a tube extending through the wall of the kiln. An integral mounting surface at the end of the tube inside the kiln provides a surface upon which can rest a pyrometric cone. An elongated member extends through the bore of the tube resting on the pyrometric cone at one end and secured to a pivot point at the other end outside of the kiln. An alarm switch is mechanically coupled to the elongated member. When the elongated member descends because the cone deforms an alarm is activated.

REFERENCES:
patent: 2555864 (1951-06-01), Strange
patent: 2675600 (1954-04-01), Dawson
patent: 3287530 (1966-11-01), Dawson
patent: 3838377 (1974-09-01), Vukovich

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