Electrical heating apparatus protected against an overheating co

Details Electrical heating apparatus protected against an overheating co Electrical heating apparatus protected against an overheating co

1983-10-05

1986-03-18

Paschall, M. H.

Electric heating

Heating devices

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

219508, 219510, 219212, 361106, 361100, H05B 102

Patent

active

045770948

ABSTRACT:
An electrical heating apparatus protected against an overheating condition is disclosed. It includes an electrical heater and an elongate heat sensor disposed in a thermally responsive relationship. The heat sensor consists of a single conductor having positive temperature coefficient electrical impedance characteristics continuously along its entire length. The electricity flowing through the electrical heater is controlled in response to a signal from the heat sensitive conductor.

REFERENCES:
patent: 3586831 (1971-06-01), Naoi et al.
patent: 4315141 (1982-02-01), Mills et al.
patent: 4450496 (1984-05-01), Doljack et al.
patent: 4485296 (1984-11-01), Ueda et al.

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