Title:
AUTOMATIC FEEDING SYSTEM OF WASHING MACHINE AND CONTROL METHOD
Document Type and Number:
WIPO Patent Application WO/2021/063183
Kind Code:
A1
Abstract:
Particularly disclosed in the present invention is an automatic feeding system of a washing machine, belonging to the field of laundry treatment apparatuses, the automatic feeding system comprising a first pipeline, a second pipeline, a buffer device, a liquid storage device, and a pumping device, wherein liquid inlet ends of the first pipeline and the second pipeline are correspondingly connected to a water inlet pipeline of a washing machine, liquid outlet ends of the first pipeline and the second pipeline are correspondingly connected to the buffer device, the liquid storage device is connected to the first pipeline by means of a switching valve, and the pumping device is arranged on the second pipeline. According to the automatic feeding system of the present invention, the pumping device and a liquid outlet pipeline of the liquid storage device are arranged separately, such that a high-concentration laundry treatment agent cannot corrode the pumping device, and the service life of the pumping device is guaranteed.
Inventors:
ZHENG DESHUAI (CN)
CHENG BAOZHEN (CN)
SUN GUANGBIN (CN)
WANG XIUMEI (CN)
ZHANG KAIHONG (CN)
ZHENG YUQIANG (CN)
CHENG BAOZHEN (CN)
SUN GUANGBIN (CN)
WANG XIUMEI (CN)
ZHANG KAIHONG (CN)
ZHENG YUQIANG (CN)
Application Number:
PCT/CN2020/115812
Publication Date:
April 08, 2021
Filing Date:
September 17, 2020
Export Citation:
Assignee:
QINGDAO HAIER WASHING MACH CO (CN)
HAIER SMART HOME CO LTD (CN)
HAIER SMART HOME CO LTD (CN)
International Classes:
D06F39/02
Foreign References:
| CN211596110U | 2020-09-29 | |||
| CN211571119U | 2020-09-25 | |||
| CN103898715A | 2014-07-02 | |||
| CN103343436A | 2013-10-09 | |||
| CN102182049A | 2011-09-14 | |||
| DE3822246A1 | 1990-01-04 | |||
| KR20110020588A | 2011-03-03 |
Attorney, Agent or Firm:
BEIJING YUANZHONG INTELLECTUAL PROPERTY AGENT LTD. (CN)
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