Title:
FILTER CARTRIDGE AND FILTER HAVING SAME
Document Type and Number:
WIPO Patent Application WO/2022/213309
Kind Code:
A1
Abstract:
The present disclosure relates to a filter cartridge and a filter. The filter cartridge includes: a filter cartridge housing portion, the filter cartridge housing portion being provided with a water inlet; and a filtration unit, the filtration unit being provided in the filter cartridge housing portion. The filtration unit is provided with a front filtration medium and a rear filtration medium. The filtration unit is configured to cause raw water flowing into the filter cartridge housing portion by means of the water inlet to be filtered by the front filtration medium to obtain a first filtered fluid, and the first filtered fluid selectively flows toward a first water outlet, and/or flows toward a second water outlet after being filtered by the rear filtration medium. The filter includes the above filter cartridge. The filter cartridge and the filter according to the present disclosure can filter raw water to different levels as desired, and have a simple structure and a compact arrangement, thereby reducing the space occupied by the filter.
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Inventors:
QIU BIYONG (CN)
Application Number:
PCT/CN2021/085864
Publication Date:
October 13, 2022
Filing Date:
April 08, 2021
Export Citation:
Assignee:
3M INNOVATIVE PROPERTIES CO (US)
QIU BIYONG (CN)
QIU BIYONG (CN)
International Classes:
B01D29/50; C02F1/00
Foreign References:
| US20050040097A1 | 2005-02-24 | |||
| GB1604833A | 1981-12-16 | |||
| CN110404329A | 2019-11-05 | |||
| CN208975241U | 2019-06-14 | |||
| CN112250218A | 2021-01-22 | |||
| CN212396050U | 2021-01-26 |
Attorney, Agent or Firm:
UNITALEN ATTORNEYS AT LAW (CN)
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