Electric heating – Heating devices – Combined with container – enclosure – or support for material...
Patent
1976-05-24
1978-06-20
Albritton, C. L.
Electric heating
Heating devices
Combined with container, enclosure, or support for material...
219511, 219515, F24H 100, H05B 100
Patent
active
040963764
ABSTRACT:
An automatic device for closely held temperature control of a body of liquid via an electric heater, as for example via a liquid-immersed heater element. The control device provides an enclosed air space with shared exposure to ambient air and to air that has been heated by the liquid. Thermostatic-switch means and an electrical heater element are contained within the enclosed air space and cooperate to establish an on-off supply of electrical energy to the immersed heater element.
REFERENCES:
patent: 2598081 (1952-05-01), Sway
patent: 2804531 (1957-08-01), Dadson
patent: 2921173 (1960-01-01), Kueser
patent: 3588447 (1971-06-01), Mills et al.
patent: 3890486 (1975-06-01), Fitzgerald
Albritton C. L.
Equipment Development Corporation
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