Patent · US Active

Filter cartridge having double water-stop function

US10946316B2 · kind B2 · utility

0Cited by

2References

4Claims

0Family size

Assignee

Xiamen Filtertech Industrail Corporation · CN

Inventors

Wei Xu · Hubei, CN
Can Xu · San Jose, US

Key dates

Filing date	Nov 5, 2018
Grant date	Mar 16, 2021
Priority date	—
Expiry date	Jun 26, 2039

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC02F2307/10
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A filter cartridge having a double water-stop function, that comprises: a filter cartridge main body, a rotation body, and a water channel main body. The filter cartridge main body includes: an outer shell body, a filter cartridge, a filter cartridge cover, a first water outlet, a second water outlet, a first compression spring, a second compression spring, a first tight seal ring, a second tight seal ring, a first water input port, a second water input port, a first water outlet channel, and a second water outlet channel. The rotation body includes: a first water channel, a second water channel, a third water channel. The water channel main body includes: a first water input hole, a first water output hole, and a second water output hole.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.