Liquid purification or separation – Filter – Movable medium
Patent
1998-08-12
1999-11-02
Lithgow, Thomas M.
Liquid purification or separation
Filter
Movable medium
210398, 21033301, 210411, 2103331, 165 95, B01D 3315, B01D 3350
Patent
active
059753110
ABSTRACT:
A filter includes, in a filter body, a filter unit in the general form of a wheel with, for local contraflow circulation of a cleaning fluid through its filter element, a circulation unit to which a pipe is connected. The pipe is an inlet pipe of the cleaning fluid and, on the other side of the filter unit to the circulation unit there is locally interposed in the filter body an interceptor plate, with, connected laterally to the filter body, between the filter element of the filter unit and the interceptor plate, a pipe which is an outlet pipe for the cleaning fluid. Applications include heat exchangers in which solid cleaning elements circulate, for retaining and recycling the latter.
REFERENCES:
patent: 2199709 (1940-05-01), McNeal
patent: 2382656 (1945-08-01), Obenshain
patent: 4256582 (1981-03-01), Ducasse
patent: 4303522 (1981-12-01), Ducasse
patent: 4814076 (1989-03-01), Jackson
patent: 4844789 (1989-07-01), Lundquist
patent: 5141631 (1992-08-01), Whitman
patent: 5598889 (1997-02-01), Jackson
E. Beaudrey & Cie
Lithgow Thomas M.
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