US 12,442,120 B2
Laundry treatment appliance and method of determining laundry load weight within the same
Erick Flores Islas, Louisville, KY (US); and Jose Efren Rodriguez Munoz, 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 Dec. 7, 2023, as Appl. No. 18/532,478.
Prior Publication US 2025/0188661 A1, Jun. 12, 2025
Int. Cl. D06F 33/34 (2020.01); D06F 33/36 (2020.01); D06F 37/04 (2006.01); D06F 103/04 (2020.01); D06F 105/02 (2020.01)
CPC D06F 33/34 (2020.02) [D06F 33/36 (2020.02); D06F 37/04 (2013.01); D06F 2103/04 (2020.02); D06F 2105/02 (2020.02)] 18 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;
a tub positioned within the cabinet;
a drum rotatably provided within the tub;
a drain pump in fluid communication with the tub, the drain pump being positioned at a bottom of the cabinet;
a pressure chamber attached to and in fluid communication with the drain pump;
a pressure sensor operably connected with the pressure chamber; and
a controller operably connected with the pressure sensor, the controller configured to perform an operation, the operation comprising:
receiving a laundry load within the drum;
supplying a baseline volume of water to the laundry load within the drum to create a saturated laundry load;
determining an actual pressure related to the saturated laundry load within the drum; and
determining a load size of the laundry load based on the determined actual pressure related to the saturated laundry load.