Filtering scraper cleaning devices

Details Filtering scraper cleaning devices Filtering scraper cleaning devices

1981-02-06

1983-04-05

Lander, Ferris H.

Liquid purification or separation

Filter

With residue removing means or agitation of liquid

210498, 209397, 162274, 134 6, B01D 2324

Patent

active

043790569

ABSTRACT:
An improved filtering system that includes a cleaning assembly and a filter element in the form of a plate or drum with a plurality of long, narrow through openings or slits in each of a plurality of rows. The improved cleaning assembly and filter element includes slit cleaning elements connected downstream of the hill and dale filter element or an improved slit cleaning element upstream of the flat surface or drum surface of a filter with upstream connecting slits. The cleaning assembly may also include a scraper cleaning element positioned for relative movement in relationship to the filter element. As fluid enters the filtering system, the debris or trash is filtered from the fluid and deposited on the upstream surface of the filter element and in the slits for removal by the cleaning assembly.

REFERENCES:
patent: 943869 (1909-09-01), Gaston
patent: 4220540 (1980-09-01), Hagihara

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