Liquid purification or separation – Filter – With residue removing means or agitation of liquid
Reexamination Certificate
2006-06-06
2006-06-06
Lithgow, Thomas M. (Department: 1724)
Liquid purification or separation
Filter
With residue removing means or agitation of liquid
C210S411000, C210S415000, C210S107000, C210S108000, C210S414000
Reexamination Certificate
active
07055699
ABSTRACT:
A self-cleaning mechanical filter comprises a mechanism for simultaneously cleaning the internal surface and the external surface of a filter element. The filter is provided with structure for performing suction scanning of solid materials accumulated on the internal surface of the filter element, and structure which can be operated in synchronization with the suction scanning structure for backwashing the external surface of the filter element during a self-cleaning process.
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Amiad Japan Inc.
Lithgow Thomas M.
Oliff & Berridg,e PLC
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