Liquid purification or separation – Flow – fluid pressure or material level – responsive – Maintaining stream pressure or flow
Reexamination Certificate
2011-08-23
2011-08-23
Reifsnyder, David A (Department: 1776)
Liquid purification or separation
Flow, fluid pressure or material level, responsive
Maintaining stream pressure or flow
C210S695000, C210S143000, C210S222000, C210S223000, C210S396000, C210S402000, C209S223200
Reexamination Certificate
active
08002976
ABSTRACT:
A magnetic separation filtering and cleaning apparatus for adding flocculant and magnetic powder to raw water containing pollutant particles to form magnetic floc in treated fluid and separating and removing the magnetic floc from the treated fluid, comprising: a magnetic field generation device being provided in a rotating body for suctioning the magnetic floc on a surface of the rotating body from the treated fluid containing the magnetic floc, a magnetic field rotating device for rotating the magnetic field generation device, a sludge recovery device for separating sludge including the magnetic floc mechanically from the surface of the rotating body of the magnetic field generation device; and a filtering device having a rotating net for filtering out the magnetic floc from the treated fluid including the magnetic floc and flowing down the treated fluid filtered through the rotating net.
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patent: 7785475 (2010-08-01), Saho et al.
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Chinese Office Action of Application No. 2008100035965 dated Jan. 8, 2010 with translation.
Akiyama Tomoko
Isogami Hisashi
Mochizuki Akira
Saho Norihide
Antonelli, Terry Stout & Kraus, LLP.
Hitachi , Ltd.
Reifsnyder David A
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