Liquid purification or separation – Processes – Separating
Patent
1995-07-11
1996-10-01
Popovics, Robert J.
Liquid purification or separation
Processes
Separating
210791, 210391, 210400, 210407, 55290, 55302, 55354, 55400, 95277, 95278, B01D 33048
Patent
active
055608353
ABSTRACT:
A self-cleaning filter apparatus for use in removing particulate matter from a transport fluid, such as air, which includes a housing having a pair of spaced pulleys over which an endless filter belt is positioned to present two generally straight filter reaches and two generally curved filter reaches. The endless filter belt includes a permeable substrate formed as an endless belt and a plurality of pleats of filter media extending outwardly from the surface of the substrate so that the transport fluid can pass inwardly therethrough an deposit the particulate material on the exterior surface of the pleats. A suction nozzle is positioned adjacent the outer surface of the endless filter at one of the curved reaches thereof for removing particulate matter deposited on the pleats as they pass along such curved reach.
REFERENCES:
patent: 2335144 (1943-11-01), Dahlman
patent: 2463723 (1949-03-01), Spraragen
patent: 4187091 (1980-02-01), Durr et al.
patent: 4725292 (1988-02-01), Williams
patent: 4772398 (1988-09-01), Sando et al.
patent: 4842749 (1989-06-01), Cox
patent: 4875913 (1989-10-01), Barzuza
patent: 5346519 (1994-09-01), Williams
Pneumafil Corporation
Popovics Robert J.
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