Method of cleaning a filter

Details Method of cleaning a filter Method of cleaning a filter

2010-11-09

2011-12-13

Barr, Michael (Department: 1711)

Cleaning and liquid contact with solids

Processes

Hollow work, internal surface treatment

C134S022180, C134S034000, C210S798000, C210S767000, C210S170090

Reexamination Certificate

active

08075700

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.

REFERENCES:
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patent: 4289425 (1981-09-01), Ootsu
patent: 4818420 (1989-04-01), Mims
patent: 5013457 (1991-05-01), Mims
patent: 5468397 (1995-11-01), Barboza et al.
patent: 6517724 (2003-02-01), Malone
patent: 2002/0139738 (2002-10-01), Fujie et al.
patent: 2003/0010691 (2003-01-01), Broussard
patent: 842145 (1981-06-01), None
patent: 985214 (1982-12-01), None

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