Classifying – separating – and assorting solids – Fluid suspension – Liquid
Reexamination Certificate
2005-07-19
2005-07-19
Walsh, Donald P. (Department: 3653)
Classifying, separating, and assorting solids
Fluid suspension
Liquid
C209S732000, C209S733000, C209S728000
Reexamination Certificate
active
06918494
ABSTRACT:
An arrangement of hydrocyclones, resulting in a greater density of hydrocyclones packaged in a given volume. One or more overflow extensions is secured to the overflow portions of one or more hydrocyclones to permit individual hydrocyclones to be placed into an axially staggered arrangement with respect to each other. By keeping the larger hydrocyclone heads from being directly adjacent that of a neighbor's, the maximum diameter of the hydrocyclones no longer becomes a limitation on the proximity of one hydrocyclone to another. The inlet section of one of a group of hydrocyclones is disposed to be adjacent either the separation portion of an adjacent hydrocyclone or an overflow extension, thereby permitting denser packaging. In another aspect, groups of axially staggered hydrocyclones are axially offset from and intermeshed with one another, permitting greater density in packaging. The groups of hydrocyclones are arranged into building blocks of three hydrocyclones each such that the axial ends of the individual hydrocyclones form a triangle, most preferably an equilateral triangle.
REFERENCES:
patent: 3386588 (1968-06-01), Lewis
patent: 4019980 (1977-04-01), Beery
patent: 4148721 (1979-04-01), Brown et al.
patent: 4163719 (1979-08-01), Macierewicz et al.
patent: 4437984 (1984-03-01), King et al.
patent: 5337899 (1994-08-01), Andersson et al.
patent: 5499720 (1996-03-01), Bouchillion et al.
patent: WO 89/11339 (1989-11-01), None
Joerger Kaitlin
Madan Mossman & Sriram P.C.
Petreco International Ltd.
Walsh Donald P.
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