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Patent Searching and Data


Title:
WASHING MACHINE
Document Type and Number:
WIPO Patent Application WO/2020/209686
Kind Code:
A1
Abstract:
The present disclosure relates to a washing machine. The washing machine has a detergent supply device including: a plurality of cartridges containing the additive respectively; a plurality of check valve assemblies connected to the plurality of cartridges to control extracting of the additive, and having a space in which the extracted additive is temporarily stored; a pump which extracts the additive; an inlet channel having a plurality of flow paths respectively connected to the plurality of check valve assemblies, and transmitting a pressure change generated from the pump to the space of the plurality of check valve assemblies; and a flow path switching valve connected to the pump and the inlet channel, and selectively communicating the pump with any one of a plurality of flow paths of the inlet channel, so that the additives stored in a plurality of cartridges can be supplied by using a single pump.

Inventors:
JEONG JAEYONG (KR)
CHAE KYOSOON (KR)
KIM HYUNDONG (KR)
OH SOOYOUNG (KR)
Application Number:
PCT/KR2020/004937
Publication Date:
October 15, 2020
Filing Date:
April 10, 2020
Export Citation:
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Assignee:
LG ELECTRONICS INC (KR)
International Classes:
D06F39/02; D06F33/00; D06F37/42
Domestic Patent References:
WO2017119593A12017-07-13
Foreign References:
US20120291916A12012-11-22
CN103290657A2013-09-11
US20170107657A12017-04-20
US20100161143A12010-06-24
Attorney, Agent or Firm:
PARK, Byung Chang (KR)
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