Dishwasher and method of operation
AssigneeLG Electronics Inc.
InventorsDae Yeong Han, Tae Hee Lee, Byung Keol Choi, Si Moon Jeon
Life of this patent
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Abstract
A dishwasher includes an interior tub and a wash pump for pumping wash liquid to wash dishes located in the interior tub. A pump motor for driving the wash pump is regulated by a control unit that adjusts a spraying pressure of wash liquid. The method for operating a dishwasher includes sensing the degree to which wash liquid is soiled and regulating the speed of a pump motor for spraying wash liquid against the dishes, depending upon the degree to which the wash liquid is soiled. The regulation of the pump motor adjusts the wash liquid spraying pressure.
Claims13
A dishwasher comprising:
- an interior tub in which dishes to be washed are located;
- a wash pump for pumping wash liquid for washing the dishes located in the interior tub;
- a pump motor for driving the wash pump;
- spraying means for spraying wash liquid onto the dishes;
- and
- a control unit for regulating the speed of the pump motor to adjust a spraying pressure of wash liquid sprayed from the spraying means.
A method for operating a dishwasher, comprising:
- sensing a degree to which wash liquid is soiled, upon washing the dishes;
- regulating a speed of a pump motor for spraying wash liquid onto dishes in the dishwasher, the regulation depending upon the degree to which wash liquid is soiled as sensed during the sensing;
- and
- adjusting a wash liquid spraying pressure depending upon the speed of the pump motor.
Dependencies are inferred from the claim text.