Patent · US Active

Water filter cartridge having tank limescale protection

US12195353B2 · kind B2 · utility

0Cited by

1References

21Claims

0Family size

Assignee

AQUIS Wasser-Luft-Systeme, GmbH, Lindau Zweigniederlassung Rebstein · CH

Inventors

Bernd Heitele · Taunusstein, DE
Michael Weber · Kürten, DE

Key dates

Filing date	Feb 5, 2019
Grant date	Jan 14, 2025
Priority date	—
Expiry date	Aug 22, 2039

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC02F2307/10
WIPO fieldEnvironmental technology
WIPO sectorChemistry

Abstract

The invention relates to a water filter cartridge comprising a housing and a filter-side tank connection element for insertion into a water tank, more particularly into a water tank of a household appliance (11), and a filter section for treating the water to be taken from the water tank. It is distinguished by the fact that the water filter cartridge comprises a reservoir chamber with a means to counter precipitations in the water tank, where the reservoir chamber is designed separate from the filter section and its flow guideway for the water running through the filter section to be treated, in such a way that there is no contact between the water flowing through the filter section and the means to counter precipitations, and that the reservoir chamber has at least one passage for the means, whereby the means to counter precipitations is in contact with the unfiltered water in the water tank.

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