US 11,918,164 B1
Dishwasher appliance and method of operating a pump based on sump water
Christopher Brandon Ross, Louisville, KY (US); and Kyle Edward Durham, Louisville, KY (US)
Assigned to Haier US Appliance Solutions, Inc., Wilmington, DE (US)
Filed by Haier US Appliance Solutions, Inc., Wilmington, DE (US)
Filed on Sep. 27, 2022, as Appl. No. 17/953,616.
Int. Cl. A47L 15/42 (2006.01); A47L 15/46 (2006.01)
CPC A47L 15/4221 (2013.01) [A47L 15/4225 (2013.01); A47L 15/4244 (2013.01); A47L 15/46 (2013.01); A47L 2401/09 (2013.01); A47L 2401/14 (2013.01); A47L 2501/05 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A dishwasher appliance comprising:
a wash chamber selectively receiving articles for washing;
a sump provided in fluid communication with the wash chamber via a fluid circulation system;
a pump fluidly connected with the sump;
a diverter provided in the fluid circulation system; and
a controller operably connected with the pump, the controller configured to perform a locating operation, the locating operation comprising:
determining a total amount of water supplied to the dishwasher appliance;
activating the pump at a predetermined speed in response to determining the total amount of water supplied to the dishwasher appliance, the predetermined speed being based on the determined total amount of water;
measuring a fluid pressure of an amount of sump water provided within the sump of the dishwasher appliance after activating the pump at the predetermined speed, the amount of sump water being at least part of the total amount of water; and
determining a position of the diverter in response to measuring the fluid pressure of the amount of sump water, the position of the diverter being dependent on the measured fluid pressure.