Water filter cartridge and head having keyed engagement

The water filter assembly addresses seal leaks and alignment issues by using a bypass disk and key member for leak-proof cartridge replacement and cleaning, improving the reliability and ease of maintenance.

AU2021203580B2Pending Publication Date: 2026-07-16CULLIGAN INTERNATIONAL COMPANY
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Patent Information

Authority / Receiving Office
AU · AU
Patent Type
Applications
Current Assignee / Owner
CULLIGAN INTERNATIONAL COMPANY
Filing Date
2021-06-01
Publication Date
2026-07-16

AI Technical Summary

Technical Problem

Conventional water filter systems face issues with seal deterioration leading to leaks, improper cartridge alignment due to awkward positioning in tight spaces, and breakage of key and lock features, necessitating an improved design for easy alignment and leak prevention during cartridge replacement.

Method used

A water filter assembly with a filter head and cartridge featuring a bypass disk and elongate key member for alignment, check valves to prevent leaks, and a bypass conduit for seamless replacement, eliminating the need for a separate shut-off valve and allowing easy cleaning.

Benefits of technology

Ensures proper alignment and leak-free cartridge replacement, facilitating easy cleaning and maintenance without additional components, enhancing the reliability and usability of the filter system.

✦ Generated by Eureka AI based on patent content.

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Abstract

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