Hazardous leakage current preventing for refractory-encased heat

Details Hazardous leakage current preventing for refractory-encased heat Hazardous leakage current preventing for refractory-encased heat

1975-05-14

1976-07-20

Albritton, C. L.

Electric heating

Heating devices

Combined with diverse-type art device

219322, 219544, 338225, 338238, 338243, 338274, H05B 100

Patent

active

039708179

ABSTRACT:
Low-level "trickle" electric heater means in diverse forms prevents hygroscopic moisture accumulation adjacent relatively open or exposed ends of refractory-encased conventional electrical heating elements, thereby to prevent excessive leakage current through refractory otherwise potentially conductive with moisture buildup which may present a hazard at such time as the element is initially turned on.

REFERENCES:
patent: 1667960 (1928-05-01), Theis
patent: 1856123 (1932-05-01), Auston
patent: 1856124 (1932-05-01), Auston
patent: 2889440 (1959-06-01), Reichhelm

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