Ice level sensor for an ice maker

Details Ice level sensor for an ice maker Ice level sensor for an ice maker

1994-06-28

1995-10-24

Wayner, William E.

Refrigeration

Automatic control

By congealed removable product condition

73149, 137392, 340612, F25C 100, G01F 1700

Patent

active

054600073

ABSTRACT:
An ice level sensor includes three capacitive plates for sensing the level of ice cubes in an ice tray or ice bucket. The ice level sensor preferably includes a relay for turning off the ice maker when a particular ice level is reached. The three capacitive plates provide immunity to frost collection because frost will collect on all plates equally. Preferably, the capacitive sensor is positioned with one plate next to the ice bucket and two plates positioned above the ice bucket. Preferably, the ice sensor may be retrofitted to existing refrigerators by mounting the capacitor plates to the rear freezer wall, and connecting AC input wires to the ice maker through a relay in the capacitor sensor.

REFERENCES:
patent: 3397715 (1968-08-01), Fathauer
patent: 4002996 (1977-01-01), Klebanoff et al.
patent: 4780705 (1988-10-01), Beane
patent: 5017909 (1991-05-01), Goekler

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