Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Material level or thickness responsive
Reexamination Certificate
2011-06-14
2011-06-14
Cecil, Terry K (Department: 1772)
Liquid purification or separation
With alarm, indicator, register, recorder, signal or...
Material level or thickness responsive
C210S299000, C210S316000, C210S312000, C210S410000, C210S411000, C210S535000
Reexamination Certificate
active
07959798
ABSTRACT:
In order to provide a device for treating a fluid containing solids which has been flushed back from a reversible flow filter, comprising a sedimentation device for separating solids from the flushed back fluid by a process of sedimentation in a sediment collecting region which enables solids to be removed in a manner free from filter-aids and which exhibits as small a degree of fluid loss as possible, it is proposed that the sediment collecting region is arranged to be subjected to a positive pressure and/or a negative pressure in order to remove residual fluid from the sediment collecting region.
REFERENCES:
patent: 5346629 (1994-09-01), Wuller
patent: 202006003680 (2006-07-01), None
patent: 1306118 (2003-05-01), None
patent: WO 2004041438 (2004-05-01), None
English Translation of DE202006003680U1, dated Jan. 2011.
Austrian Patent Office, Search Report issued for Austrian utility model application GM 347/2007, dated Jan. 16, 2008.
Cecil Terry K
Durr Ecoclean GmbH
Hanley Flight & Zimmerman, LLC.
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