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1. (WO2018161455) WATER FILTERING SYSTEM

Pub. No.:    WO/2018/161455    International Application No.:    PCT/CN2017/087307
Publication Date: Fri Sep 14 01:59:59 CEST 2018 International Filing Date: Wed Jun 07 01:59:59 CEST 2017
IPC: C02F 1/44
C02F 9/02
Applicants: FOSHAN SHUNDE MIDEA WATER DISPENSER MFG. 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: YANG, Lyu
杨旅
Title: WATER FILTERING SYSTEM
Abstract:
A water filtering system (100), comprising: a filter element (10), a water inlet pipe (20), a clean water pipeline (30), a pure water pipeline (40), a drain pipeline (50), and a circulation pipeline (70). The filter element (10) comprises a water inlet (110), a clean water outlet (120), a clean water return inlet (130), a pure water outlet (140), and a drain outlet (150). The clean water pipeline (30) is communicated with the clean water outlet (120) and the clean water return inlet (130), and comprises an outside clean water outlet (310) and a first valve body (320) which is used for controlling connection/disconnection of the clean water pipeline. The pure water pipeline (40) is communicated with the pure water outlet (140), and comprises an outside pure water outlet (410) and a second valve body (420) which is used for controlling connection/disconnection of the pure water pipeline (40). One end of the drain pipeline (50) is communicated with the drain outlet (150), and the other end of the drain pipeline (50) is communicated with the outside. One end of the circulation pipeline (70) is communicated with the clean water pipeline (30), and the other end of the circulation pipeline (70) is communicated with the drain pipeline (50).