US 12,221,736 B2
Laundry washing machine with dynamic drain system
Phillip C. Hombroek, Louisville, KY (US); Alexi Blaise Poth, Louisville, KY (US); and John Kenneth Hooker, Louisville, KY (US)
Assigned to MIDEA GROUP CO., LTD., Guangdong (CN)
Filed by Midea Group Co., Ltd., Foshan (CN)
Filed on Dec. 10, 2021, as Appl. No. 17/547,703.
Prior Publication US 2023/0183904 A1, Jun. 15, 2023
Int. Cl. D06F 23/02 (2006.01); D06F 23/04 (2006.01); D06F 33/40 (2020.01); D06F 33/42 (2020.01); D06F 39/08 (2006.01); D06F 103/02 (2020.01); D06F 103/06 (2020.01); D06F 103/18 (2020.01); D06F 105/08 (2020.01); D06F 105/48 (2020.01); D06F 105/56 (2020.01)
CPC D06F 33/42 (2020.02) [D06F 23/02 (2013.01); D06F 23/04 (2013.01); D06F 33/40 (2020.02); D06F 39/085 (2013.01); D06F 39/087 (2013.01); D06F 2103/02 (2020.02); D06F 2103/06 (2020.02); D06F 2103/18 (2020.02); D06F 2105/08 (2020.02); D06F 2105/48 (2020.02); D06F 2105/56 (2020.02)] 15 Claims
OG exemplary drawing
 
1. A laundry washing machine, comprising:
a wash tub disposed within a housing;
a drain system configured to drain fluid from the wash tub; and
a controller coupled to the drain system and configured to initiate a drain operation with the drain system to drain fluid from the wash tub during a wash cycle, wherein the controller is further configured to select a load type for a load disposed in the wash tub from among a plurality of load types, and control a time of the drain operation at least in part based upon the selected load type, wherein the controller is configured to initiate the drain operation during a spin operation, and wherein the time of the drain operation is different from a time of the spin operation.