ICE MAKER WITH ICE BIN LEVEL CONTROL
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United States of America Patent
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Issued Date -
Apr 24, 2008
app pub date -
Mar 5, 2007
filing date -
Oct 20, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A clear ice maker unit has a clear ice maker mechanism with a cascading water evaporator configured to make clear ice during ice making cycles. A controller uses fuzzy logic to control the clear ice maker and determine whether to initiate a next ice making cycle based on input signals from a thermistor in the ice storage bin. The controller will prevent initiation of an ice making cycle when the ice bin is at or below a threshold temperature. The controller will also prohibit ice making when the ice bin is at or below a second, slightly higher temperature for more than a prescribed period of time. In this way, the clear ice maker can recognize an uneven distribution of ice and maintain an optimal amount of ice in the bin.
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