Filter arrangement

This invention describes a filter system with many hollow tubes inside a chamber, where each tube has an internal mechanism to clean it by pushing away collected debris. Unfiltered liquid enters the chamber, and clean liquid exits. The claims specify that these tubes are hollow cylinders and the cleaning mechanisms are circular discs that fit snugly inside.

Why it matters: Since 2012, advancements in membrane materials and automated control systems for back-washing have made such filter arrangements more efficient and cost-effective to implement.

Status: Not in forceListed as no longer active. The specific reason is not in the record we hold.
How hard to build: ModerateCustom filtration elements, precise back-washing mechanism.

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