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Title: Anti-clogging filter system

Patent ·
OSTI ID:1353094

An anti-clogging filter system for filtering a fluid containing large particles and small particles includes an enclosure with at least one individual elongated tubular filter element in the enclosure. The individual elongated tubular filter element has an internal passage, a closed end, an open end, and a filtering material in or on the individual elongated tubular filter element. The fluid travels through the open end of the elongated tubular element and through the internal passage and through the filtering material. An anti-clogging element is positioned on or adjacent the individual elongated tubular filter element and provides a fluid curtain that preferentially directs the larger particulates to one area of the filter material allowing the remainder of the filter material to remain more efficient.

Research Organization:
Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC52-07NA27344
Assignee:
Lawrence Livermore National Security, LLC
Patent Number(s):
9,630,137
Application Number:
14/661,067
OSTI ID:
1353094
Resource Relation:
Patent File Date: 2015 Mar 18
Country of Publication:
United States
Language:
English

References (29)

Vapor Separator and Filter for Compressed Air patent June 1963
Gas-Liquid Separator patent September 1967
Air Line Filter patent April 1968
Automatic-Unloading Dust Valve for Centrifugal Air Cleaners patent February 1969
Dust Collector patent November 1969
Multi-Stage Dust Separator patent November 1970
Cleaning Arrangement for Bag Filter patent July 1971
Filter Arrangement patent June 1974
Dust filter apparatus patent June 1976
Pneumatic filter/separator with magnetically controlled fluid valve patent September 1976
Side outlet tube patent July 1979
Method and apparatus for separating liquid and solid contaminants from a flowing gas patent October 1983
Air filtration device patent February 1984
Apparatus for separating liquid droplets from gas patent May 1985
HEPA room air purifier patent December 1986
Method and apparatus for separating fine particulates from a mixture of fine particulates and gas patent September 1989
Vacuum suction type anti-clogging and dialysis device for filtration systems patent September 1989
Filtering apparatus patent September 1992
Horizontally mounted filter cartridge dust collector patent June 1993
Filter element patent November 1997
Hot gas filtering apparatus patent May 1998
Fluted filter media for a fiber bed mist eliminator patent August 1998
Air filter assembly patent October 1999
HEPA filter encapsulation patent March 2003
Conically shaped filter patent August 2004
Modularized hybrid dust collector patent December 2010
Particulate matter filter assembly with a flow device patent October 2011
Multi-stage oil separation system including a cyclonic separation stage patent April 2012
Double helix grease filter patent September 2014

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