Fill protection algorithm
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United States of America Patent
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Jul 9, 2013
Grant Date -
Nov 17, 2011
app pub date -
May 17, 2011
filing date -
May 17, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
A fill protection algorithm for determining whether the water level in a dishwasher is sufficient to enable operation of the wash pump of the dishwasher without burn-out or other damage to the wash pump and/or heating element of the dishwasher due to insufficient water level. A change in water temperature TEMPDELTA is detected and is compared to a predetermined water temperature change level or amount, TEMPMIN—DELTA, and if the detected change in water temperature TEMPMIN—DELTA is greater than or equal to the minimum water temperature change TEMPMIN—DELTA, operation of the dishwasher is allowed to proceed.
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