Liquid purification or separation – Particulate material type separator – e.g. – ion exchange or... – Removable cartridge or hand-manipulated container
Reexamination Certificate
2007-09-11
2007-09-11
Lithgow, Thomas M. (Department: 1724)
Liquid purification or separation
Particulate material type separator, e.g., ion exchange or...
Removable cartridge or hand-manipulated container
C210S286000, C210S289000, C210S350000
Reexamination Certificate
active
10684082
ABSTRACT:
A radial flow cartridge, especially for use with an ion exchange resin, includes inner and outer tubular cages, and a tubular knitted liner extending the length of the cartridge between the inner and outer cages and spaced apart from the outer cage. The resin medium fills the space between the liner and the inner cage. During use, the medium absorbs fluid and expands, stretching the knit liner radially and, thereby filling the space between the liner and the outer cage.
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patent: 5661117 (1997-08-01), Dufresne
Alan Grunsky,EPRI, EHC Fluid Maintenance Guide, 1stdraft, May 2002, Section 5.5 “Ion Exchange”.
W.D. Phillips and D.I. Sutton,Improved Maintenance and Life Extension of Phosphate Esters Using Ion Exchange Treatment in Proc. 10thInt'l Colloquium Tribology, Esslingen, Germany, Publication No. GSD2654IRPM/1M/0396 by Pall Corporation, 1996.
F.C.J. Brandt, G. Maningley, R. Trost,A New Means of Purifying Synthetic hydraulic Fluids by Means of Ion Exchangers, Technical Academy Esslingen, Germany, Apr. 1986.
M. Lasch, H. Stemmeler, and H. Hirsch,Operating Experience with Different Filter Materials for Cleaning of Fire-Resistant Control Fluids, late 1980's.
G.F. Wolfe and A. Whitehead,Experience with Phosphate Ester Fluids as Industrial Steam Turbine-Generator Lubricants, Lubrication Engineering 34, 8, pp. 413-420 (1977).
Smith Douglas
White Leslie R.
Drinker Biddle & Reath LLP
Lithgow Thomas M.
The Hilliard Corporation
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