Anti-condensation system for refrigerator doors

Details Anti-condensation system for refrigerator doors Anti-condensation system for refrigerator doors

1978-02-17

1978-11-28

Albritton, C. L.

Electric heating

Heating devices

Combined with diverse-type art device

49 70, 62248, 62150, 219522, H05B 100

Patent

active

041277651

ABSTRACT:
A system is described which permits the electrically heated door of a refrigerated display cabinet to be operated selectively at a plurality of power settings, providing respectively higher and lower levels of electrical heating. A switching means is used to alter the electrical interconnection of the door window heating elements with the door frame heating elements from a series connection to a parallel connection. In one embodiment, an automatic electrical controller actuates the switch in response to changes in the ambient humidity and temperature.

REFERENCES:
patent: 2858408 (1958-10-01), Barroero
patent: 3724129 (1973-04-01), Stromquist
patent: 3859502 (1975-01-01), Heaney

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