Dishwashing appliances and methods for addressing obstruction therein
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United States of America Patent
Stats
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Aug 23, 2022
Grant Date -
May 27, 2021
app pub date -
Nov 21, 2019
filing date -
Nov 21, 2019
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Dishwashing appliances and methods, as provided herein, may include features or steps such as measuring an initial pressure in a sump with a pressure sensor, activating a drain pump when the measured initial pressure in the sump is greater than or equal to a first pressure threshold, and starting a timer when the drain pump is activated. Dishwashing appliances and methods may further include features or steps for monitoring pressure within the sump with the pressure sensor after activating the drain pump, recording a value of the timer as a first time when the monitored pressure reaches a second pressure threshold, calculating a time limit based on the recorded first time value, and determining that the filter is clogged when the monitored pressure does not reach a third pressure threshold before the time limit expires.
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Family
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