Filter and filter cleaning apparatus and related methods

Details Filter and filter cleaning apparatus and related methods Filter and filter cleaning apparatus and related methods

2004-10-07

2011-10-04

Lithgow, Thomas M (Department: 1778)

Liquid purification or separation

Filter

With residue removing means or agitation of liquid

C210S413000, C210S355000, C210S541000, C210S542000

Reexamination Certificate

active

08028841

ABSTRACT:
Apparatus and methods include an improved filter and cleaning processes for same. A rotating cleaning element is actuated by vacuum pressure, and relatively precise controls ensure that all portions of the filter's surface are vacuumed cleaned during cleaning cycles. Longitudinal pressure on the rotating cleaning element is balanced to reduce wear and improve performance.

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