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US 2014/0209120 A1Published application
Method of determining a blocked rotating spray arm in a dishwasher
AssigneeWhirlpool Corporation
InventorsDOUGLAS T. ALLEN, PAUL R. JOHNSON, BLAYNE C. SMITH
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Abstract
A method of operating a dishwasher having a tub at least partially defining a treating chamber and at least one rotating sprayer provided in the treating chamber to determine a standstill condition of the rotating sprayer during an automatic cycle of operation that includes a rotation of the spray arm.
Claims12
A method of operating a dishwasher having a tub at least partially defining a treating chamber and at least one rotating sprayer provided in the treating chamber, the method comprising:
- spraying liquid from the rotating sprayer onto at least a portion of the tub to form a wetted portion of the tub;
- repeatedly sensing a capacitance value of the wetted tub portion to define a capacitance dataset of multiple capacitance values;
- determining a standstill condition of the rotating sprayer from the capacitance dataset;
- and
- indicating the determination of the standstill condition.
2 more elements
Dependencies are inferred from the claim text.