Liquid purification or separation – Filter – With residue removing means or agitation of liquid
Reexamination Certificate
2006-11-07
2006-11-07
Prince, Fred G. (Department: 1724)
Liquid purification or separation
Filter
With residue removing means or agitation of liquid
C210S512100
Reexamination Certificate
active
07131540
ABSTRACT:
The invention relates to a separating device, particularly for separating solids from liquids, preferably from the quantity of reverse flow of a reverse flow filter system. The separating device comprises: a spinning screen provided in the form of a drum screen (17) having an annular screen wall (21); a spray tube (15), which supplies the liquid to the drum screen (17) and which, with regard to its opening (26) to the inside of the screen wall (21) of the drum screen (17), extends in an at least approximately tangential manner thereto in order to produce a spinning flow of the liquid on the screen wall (21); a housing (19) that surrounds the drum screen (17) while serving to hold the liquid passing through said screen wall (21), and; an exit (29) located at the bottom (27) of the drum screen (17) while serving to discharge the separated substances.
REFERENCES:
patent: 4055500 (1977-10-01), Parker
patent: 4551247 (1985-11-01), Borchert et al.
patent: 2004/0055470 (2004-03-01), Strauser et al.
patent: 03 387 828 (1990-09-01), None
patent: 0 827 768 (1998-03-01), None
patent: 1 206 619 (1960-02-01), None
Maretyak Markus
Wnuk Ralf
Hydac Process Technology GmbH
Prince Fred G.
Roylance Abrams Berdo & Goodman L.L.P.
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