US 12,168,848 B2
Washing machine
Jungsik Park, Seoul (KR); Yanggyu Kim, Seoul (KR); Ilyoung Park, Seoul (KR); Sanghyun Joo, Seoul (KR); and Jangseok Lee, Seoul (KR)
Assigned to LG Electronics Inc., Seoul (KR)
Filed by LG Electronics Inc., Seoul (KR)
Filed on Jan. 25, 2022, as Appl. No. 17/583,797.
Claims priority of application No. 10-2021-0010328 (KR), filed on Jan. 25, 2021.
Prior Publication US 2022/0235514 A1, Jul. 28, 2022
Int. Cl. D06F 43/08 (2006.01); D06F 43/00 (2006.01); D06F 43/02 (2006.01)
CPC D06F 43/083 (2013.01) [D06F 43/005 (2013.01); D06F 43/02 (2013.01); D06F 43/085 (2013.01); D06F 43/081 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A washing machine comprising:
a frame defining an appearance of the washing machine;
a drum configured to receive laundry;
a washing chamber including:
a first housing defining an opening and a space into which the drum is inserted,
a barrier that surrounds the opening and that is coupled to the first housing, and
a second housing that surrounds a first surface of the barrier and that is coupled to the first housing;
a storage tank configured to receive carbon dioxide to be supplied to the drum;
a distillation chamber configured to separate contaminants dissolved in liquid carbon dioxide;
an electronic unit, implemented using an electronic circuit, that is coupled to the frame and configured to control operations of the washing machine; and
a configuration unit including:
a pipe configured to move the carbon dioxide,
a first compressor and a second compressor that are configured to compress the carbon dioxide discharged after washing is completed in the drum and that are configured to move the compressed carbon dioxide into the storage tank, and
an oil separator configured to separate oil from the carbon dioxide compressed in the first compressor and the second compressor,
wherein the frame includes:
a front panel provided on a front surface of the frame,
a bottom panel provided on a bottom surface of the frame, and
a column coupled to the bottom panel and extending from the bottom panel in a vertical direction.