US 11,913,155 B2
Method of controlling a filtration system in a laundry treatment appliance
John Joseph Roetker, Louisville, KY (US); and James Quentin Pollett, 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 Nov. 15, 2021, as Appl. No. 17/526,142.
Prior Publication US 2023/0151523 A1, May 18, 2023
Int. Cl. D06F 33/32 (2020.01); D06F 34/30 (2020.01); D06F 34/32 (2020.01); D06F 39/10 (2006.01); D06F 39/08 (2006.01); D06F 101/20 (2020.01); D06F 105/34 (2020.01)
CPC D06F 33/32 (2020.02) [D06F 34/30 (2020.02); D06F 34/32 (2020.02); D06F 39/085 (2013.01); D06F 39/10 (2013.01); D06F 2101/20 (2020.02); D06F 2105/34 (2020.02)] 10 Claims
OG exemplary drawing
 
1. A laundry treatment appliance defining a vertical direction, a lateral direction, and a transverse direction, the laundry treatment appliance comprising:
a cabinet forming a receiving space;
a user interface provided on the cabinet, the user interface comprising a selector input;
a tub provided within the receiving space;
a wash basket rotatably provided within the tub and configured to hold a laundry load and a wash fluid;
a filter in fluid communication with the tub, the filter comprising a coarse filter and a fine filter, the filter selectively filtering the wash fluid;
a first drain line fluidly connecting the tub with the filter;
a second drain line fluidly connected with the tub and an exterior of the tub, wherein the wash fluid is selectively urged through one of the first drain line through the filter or the second drain line bypassing the filter; and
a controller provided within the cabinet and configured to perform a series of operations, the series of operations comprising:
receiving an input for a selected washing operation for the laundry load;
determining a filtration requirement of the wash fluid and the laundry load of the selected washing operation, the filtration requirement being based on a material composition of one or more items in the laundry load;
changing an activation state of the selector input in accordance with the determined filtration requirement, wherein changing the activation state of the selector input comprises deactivating the selector input on the user interface, the selector input comprising a button to deselect a filtration option, and wherein the selector input is deactivated in each of a required filtration cycle and a prohibited filtration cycle; and
performing the selected washing operation according to a determined set of operating parameters.