Title:
CENTRAL TUBE, WOUND-TYPE MEMBRANE ASSEMBLY, COMPOSITE FILTER CARTRIDGE ASSEMBLY, AND WATER PURIFICATION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2021/164335
Kind Code:
A1
Abstract:
A central tube, a wound-type membrane assembly, a composite filter cartridge assembly, and a water purification system. The central tube (102) is a cylinder body structure; the cylinder body structure comprises an inner wall (102d), an outer wall (102e), and a cavity (102f) located on the inner side of the inner wall (102d); and the central tube (102) is made of a filter material capable of allowing a fluid to pass through, so that the fluid is allowed to circulate from the inner wall (102d) to the outer wall (102e), or circulate from the outer wall (102e) to the inner wall (102d) so as to reach the cavity (102f).
Inventors:
LI YOULING (CN)
ZHANG LIANG (CN)
SHEN HONGHAI (CN)
BAI CHANGSHENG (CN)
QIN LILI (CN)
ZHANG YUYING (CN)
DONG PINGAN (CN)
LI YUANKAI (CN)
ZHANG LIANG (CN)
SHEN HONGHAI (CN)
BAI CHANGSHENG (CN)
QIN LILI (CN)
ZHANG YUYING (CN)
DONG PINGAN (CN)
LI YUANKAI (CN)
Application Number:
PCT/CN2020/128100
Publication Date:
August 26, 2021
Filing Date:
November 11, 2020
Export Citation:
Assignee:
GREE ELECTRIC APPLIANCES INC ZHUHAI (CN)
International Classes:
B01D69/10; B01D63/10; C02F1/44
Foreign References:
| CN111185100A | 2020-05-22 | |||
| CN111185096A | 2020-05-22 | |||
| CN211886282U | 2020-11-10 | |||
| CN111229054A | 2020-06-05 | |||
| CN211886280U | 2020-11-10 | |||
| CN111229057A | 2020-06-05 | |||
| CN211886277U | 2020-11-10 | |||
| CN211886285U | 2020-11-10 | |||
| CN104817135A | 2015-08-05 | |||
| CN104817135A | 2015-08-05 | |||
| CN207401250U | 2018-05-25 | |||
| CN204412076U | 2015-06-24 | |||
| CN107399838A | 2017-11-28 | |||
| CN206562355U | 2017-10-17 | |||
| JP2018027530A | 2018-02-22 |
Attorney, Agent or Firm:
BEIJING XURUN LAW FIRM (CN)
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