Heating control apparatus

Details Heating control apparatus Heating control apparatus

1986-07-31

1987-11-10

Paschall, M. H.

Electric heating

Heating devices

With power supply and voltage or current regulation or...

219493, 219508, 219494, 219490, 236 46R, 432 51, H05B 102

Patent

active

047059303

ABSTRACT:
A heating control apparatus for exciting the heating element of a kiln or the like. The heating control apparatus includes an interval timer that produces a pulse of electricity having a predetermined duration of time, a fixed timer adapted to open and close an electrical path, and a power relay connected to the heating element and which is adapted to excite the heating element for selected periods of time in response to the operation of the fixed and interval timers.

REFERENCES:
patent: 3855452 (1974-12-01), Flasza et al.
patent: 4300037 (1981-11-01), Padden
patent: 4334146 (1982-06-01), Sturm
patent: 4367399 (1983-01-01), Anthony et al.
patent: 4370546 (1983-01-01), Warner
patent: 4547657 (1985-10-01), Sticher, Jr. et al.

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