US 12,351,479 B2
Faucet water purifier and filtering device for use in faucet water purifier
Jizong Hu, Yuyao (CN); Zhenlin Chu, Yuyao (CN); and Xiaozong Hu, Yuyao (CN)
Appl. No. 17/628,199
Filed by YUYAO YADONG PLASTIC CO., LTD., Zhejiang (CN)
PCT Filed Jul. 13, 2020, PCT No. PCT/CN2020/101740
§ 371(c)(1), (2) Date Jan. 18, 2022,
PCT Pub. No. WO2021/008505, PCT Pub. Date Jan. 21, 2021.
Claims priority of application No. 201910651142.7 (CN), filed on Jul. 18, 2019; application No. 202010052563.0 (CN), filed on Jan. 17, 2020; application No. 202010053469.7 (CN), filed on Jan. 17, 2020; application No. 202020112904.4 (CN), filed on Jan. 17, 2020; application No. 202020113042.7 (CN), filed on Jan. 17, 2020; application No. 202020113435.8 (CN), filed on Jan. 17, 2020; application No. 202020113607.1 (CN), filed on Jan. 17, 2020; application No. 202020113926.2 (CN), filed on Jan. 17, 2020; application No. 202020114173.7 (CN), filed on Jan. 17, 2020; application No. 202020483754.8 (CN), filed on Apr. 3, 2020; application No. 202020484268.8 (CN), filed on Apr. 3, 2020; and application No. 202020487506.0 (CN), filed on Apr. 3, 2020.
Prior Publication US 2022/0259067 A1, Aug. 18, 2022
Int. Cl. C02F 1/00 (2023.01); B01D 35/04 (2006.01); C02F 1/44 (2023.01); F16K 11/074 (2006.01); F16K 11/085 (2006.01); F16K 27/04 (2006.01)
CPC C02F 1/003 (2013.01) [B01D 35/04 (2013.01); C02F 1/444 (2013.01); F16K 11/0743 (2013.01); F16K 11/0746 (2013.01); F16K 11/0856 (2013.01); F16K 27/045 (2013.01); C02F 2201/005 (2013.01); C02F 2303/16 (2013.01); C02F 2307/06 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A faucet water purifier, comprising:
a filtering device, wherein the filtering device defines a first communicating opening, a second communicating opening and a third communicating opening; and
a control valve, wherein the control valve comprises a valve body and a valve core, wherein the valve body defines a valve cavity, a first opening, a second opening, a third opening, a fourth opening, a fifth opening, a raw water inlet and a draining opening, wherein the valve core is disposed inside the valve cavity, wherein the first opening of the valve body is adapted to be communicated with the first communicating opening of the filtering device, the second opening of the valve body is adapted to be communicated with the second communicating opening of the filtering device, the fourth opening of the valve body is adapted to be communicated with the third communicating opening of the filtering device, the raw water inlet of the valve body is adapted to be communicated with a raw water source, wherein when the control valve is under a first purifying working position, the valve core of the control valve defines a first communicating passage respectively communicated with the first opening and the raw water inlet of the valve body and a second communicating passage respectively communicated with the fourth opening and the fifth opening of the valve body, wherein when the control valve is under a back flushing working position, the valve core of the control valve defines a third communicating passage respectively communicated with the second opening and the raw water inlet of the valve body and a fourth communicating passage respectively communicated with the first opening and the draining opening of the valve body, wherein the valve body of the control valve further has a raw water opening, wherein when the control valve is under a raw water supplying working position, the valve core of the control valve defines a fifth communicating passage communicated with the raw water opening and the raw water inlet of the valve body respectively, wherein when the control valve is under a second purifying working position, the valve core of the control valve defines a sixth communicating passage respectively communicated with the first opening and the raw water inlet of the valve body and a seventh communicating passage respectively communicated with the second opening and the third opening of the valve body.