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1. (WO2018184545) COMPOSITE FILTER CARTRIDGE, AND WATER PURIFICATION DEVICE

Pub. No.:    WO/2018/184545    International Application No.:    PCT/CN2018/081818
Publication Date: Fri Oct 12 01:59:59 CEST 2018 International Filing Date: Thu Apr 05 01:59:59 CEST 2018
IPC: B01D 29/11
B01D 29/54
Applicants: FOSHAN SHUNDE MIDEA WATER DISPENSER MANUFACTURING CO., LTD.
佛山市顺德区美的饮水机制造有限公司
MIDEA GROUP CO., LTD.
美的集团股份有限公司
Inventors: ZHENG, Yuedong
郑跃东
SUN, Tianhou
孙天厚
Title: COMPOSITE FILTER CARTRIDGE, AND WATER PURIFICATION DEVICE
Abstract:
A composite filter cartridge (1), and a water purification device. The composite filter cartridge (1) comprises: a filter cartridge connector (10); an outer cylinder (20), an upper end of the outer cylinder (20) being in communication with the filter cartridge connector (10); an inner cylinder (30), arranged within the outer cylinder (20), an upper end of the inner cylinder (30) being in communication with the filter cartridge connector (10), a bottom end of the inner cylinder (30) being open, an interval being arranged between the bottom end of the inner cylinder (30) and a bottom wall surface of the outer cylinder (20), a gap being arranged between an outer wall surface of the inner cylinder (30) and an inner wall surface of the outer cylinder (20); a separation disc (40), arranged within the outer cylinder (20), the separation disc (40) being provided with a first mounting surface (40a) and a second mounting surface (40b) which are opposingly arranged, the bottom end of the inner cylinder (30) being in a detachable sealed connection with the first mounting surface (40a); a first filter cartridge (50), shaped like a cylinder, and being located within the inner cylinder (30), a lower end of the first filter cartridge (50) abutting against the first mounting surface (40a) in a sealed manner; a second filter cartridge (60), shaped like a cylinder, and being arranged within the outer cylinder (20) and located below the separation disc (40), an upper end of the second filter cartridge (60) abutting against the second mounting surface (40b) in a sealed manner.