US 12,251,065 B2
Dishwasher appliance with camera for determination of spray assembly operation
Tal Abraham Ohayon, 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 Aug. 24, 2022, as Appl. No. 17/894,459.
Prior Publication US 2024/0065515 A1, Feb. 29, 2024
Int. Cl. A47L 15/00 (2006.01); A47L 15/42 (2006.01)
CPC A47L 15/0049 (2013.01) [A47L 15/0063 (2013.01); A47L 15/4297 (2013.01); A47L 2401/06 (2013.01); A47L 2501/26 (2013.01); A47L 2501/32 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A dishwasher appliance, comprising:
a tub defining a wash chamber for receipt of articles for washing, the tub having a front opening;
a door positioned adjacent to the tub at the front opening and configured for selectively moving between closed and open positions;
one or more rack assemblies positioned within the wash chamber and configured for receipt of the articles;
a fluid delivery device configured for delivering wash fluid into the wash chamber for cleaning the articles;
a camera assembly mounted at the wash chamber with a view of the wash chamber including a location where the fluid delivery device is configured for delivering the wash fluid; and
a controller operably coupled with the camera assembly, the controller configured for:
obtaining consecutive images of the wash fluid in the wash chamber during one or more cleaning cycles using the camera assembly;
determining whether the fluid delivery device is providing acceptable delivery of the wash fluid into the wash chamber, wherein the determining includes using the consecutive images of the wash fluid to determine whether there are differences in the wash fluid present in the wash chamber; and
initiating a corrective action if the fluid delivery device is not providing an acceptable delivery of the wash fluid into the wash chamber.