US 11,834,771 B2
Washing machine
Hyundong Kim, Seoul (KR); Sooyoung Oh, Seoul (KR); Kyosoon Chae, Seoul (KR); Jinho Kim, Seoul (KR); Heeyeon Kim, Seoul (KR); Hyemin Kim, Seoul (KR); and Seungwoo Park, Seoul (KR)
Assigned to LG Electronics Inc., Seoul (KR)
Appl. No. 17/294,297
Filed by LG Electronics Inc., Seoul (KR)
PCT Filed Nov. 15, 2019, PCT No. PCT/KR2019/015625
§ 371(c)(1), (2) Date May 14, 2021,
PCT Pub. No. WO2020/101419, PCT Pub. Date May 22, 2020.
Claims priority of application No. 10-2018-0140637 (KR), filed on Nov. 15, 2018.
Prior Publication US 2022/0010474 A1, Jan. 13, 2022
Int. Cl. D06F 39/02 (2006.01); D06F 34/14 (2020.01); D06F 23/02 (2006.01); D06F 39/12 (2006.01)
CPC D06F 39/022 (2013.01) [D06F 23/025 (2013.01); D06F 34/14 (2020.02); D06F 39/12 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A washing machine comprising:
a cabinet with an open top;
a tub disposed within the cabinet to contain water;
a drum rotatably provided within the tub to hold laundry;
a drawer disposed within the cabinet to hold detergent;
a drawer housing disposed inside the cabinet, where the drawer is received in such a way as to be pulled out, and which has a water supply guide flow channel for allowing water passed through the drawer to be poured into the tub when water is supplied;
a top cover housing covering the open top of the cabinet and defining a predetermined receiving space above the cabinet;
a detergent mixer disposed in the receiving space; and
a discharge guiding apparatus including a plurality of flow channels connected to the water supply guide flow channel of the drawer housing,
the detergent mixer comprising:
a plurality of additive cartridges that individually contain liquid additives;
a plurality of additive pumps corresponding to the plurality of additive cartridges; and
a flow channel box comprising a plurality of pump intake paths that guide the additives discharged from the additive cartridges to the additive pumps, respectively, and a plurality of pump discharge paths that guide the additives discharged from the additive pumps, respectively,
wherein the discharge guiding apparatus guides the additives discharged from the pump discharge paths to the water supply guide flow channel.