Patent · US Active

Water stoppage structure utilized in a water purifier filter core

US10077847B2 · kind B2 · utility

1Cited by
0References
7Claims
0Family size

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Key dates

Filing dateJan 6, 2017
Grant dateSep 18, 2018
Priority date
Expiry dateJan 19, 2037

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC02F2201/005
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A water stoppage structure utilized in a water purifier filter core, comprising a filter core main body, provided with a water input port, a first water output port, and a second water output port; a filter core, disposed in the filter core main body; a seat body, disposed at one end of the filter core main body, matching and working in cooperation with the water input port, the first water output port, and the second water output port of the filter core main body; a first check valve, disposed at the water import port, and on a water channel leading to the filter core main body, for allowing water to pass only through the filter core main body; a first water passage switch valve, disposed on the second water output port; and a second water passage switch valve, disposed on the first water output port.

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