Patent · US Active

Method of cleaning a filter

US8075700B2 · kind B2 · utility

6Cited by

6References

24Claims

0Family size

Assignee

Weatherford/Lamb, Inc. · US

Inventors

Michael Ekholm · Minneapolis, US
Dean Brabec · North Branch, US
Tom A. Steinke · San Diego, US
Steve Uban · Stillwater, US

Key dates

Filing date	Nov 9, 2010
Grant date	Dec 13, 2011
Priority date	—
Expiry date	Nov 9, 2030

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01D35/02
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A method and apparatus for a backwash system for cleaning an underwater intake filter assembly. The backwash system includes an underwater tank coupled on one end to a source of compressed fluid and on the other end to the intake screen assembly. The backwash system includes a U-shaped release conduit that is adapted to release a predetermined quantity of fluid to the intake screen in order to clean the filter assembly of waterborne debris.

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