Thermal limiter for stove heater

Electric heating – Heating devices – Combined with container – enclosure – or support for material...

Patent

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Details

219495, H05B 368, H05B 102

Patent

active

061040088

ABSTRACT:
A temperature sensing switching device has a soft ferrite material coupled radiatively to a body and non-radiatively to a heat sink. The ferrite material is arranged so that its temperature is above its curie point when the body is above a desired limit temperature and below its curie temperature when the body is below this limit temperature. The change is the permeability of the ferrite material moves a magnet which controls the delivery of energy to the body. The switching device may be used to control a stove heater or a burner control system for controlling flow of combustible gas to a burner.

REFERENCES:
patent: 2339089 (1944-01-01), Mantz
patent: 2445591 (1948-07-01), Sullivan
patent: 2673263 (1954-03-01), Casey
patent: 3009047 (1961-11-01), Simmons
patent: 3015710 (1962-01-01), Kelly
patent: 3211894 (1965-10-01), Alexander
patent: 3328561 (1967-06-01), Sakamoto et al.
patent: 3933419 (1976-01-01), Romanelli

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