Ice detection system

Details Ice detection system Ice detection system

1996-12-23

1998-06-09

Tanner, Harry B.

Refrigeration

Automatic control

By congealed removable product condition

62139, F25C 112

Patent

active

057619190

ABSTRACT:
A system for detecting the formation of ice on a cold surface includes an electrical circuit for sensing the electrical responsiveness of a capacitor formed by a conductive plate positioned opposite the cold surface. The ice formed on the cold surface will eventually comprise most of the dielectric medium between the conductive plate and the cold surface thereby providing a distinctively recognizable electrical response that is sensed by the electrical circuit.

REFERENCES:
patent: 3496733 (1970-02-01), Parker et al.
patent: 4121433 (1978-10-01), Pomerantz
patent: 4344293 (1982-08-01), Fujuwara et al.
patent: 4347709 (1982-09-01), Wu et al.
patent: 4497179 (1985-02-01), Iwans
patent: 4823556 (1989-04-01), Chesnut

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