Fluid filtering systems

Details Fluid filtering systems Fluid filtering systems

1988-02-09

1989-08-22

Hart, Charles

Liquid purification or separation

Filter

Movable medium

2103331, 210411, 210415, 55294, 55302, 55213, B01D 3516, B01D 4604

Patent

active

048593354

ABSTRACT:
A fluid filtering system which includes a fluid filtering unit having a localized cleaning arrangement. The fluid filtering unit comprises a filter element through which the fluid being filtered is passed and structure for cleaning the filter element without interruption of the filtering operation of the unit. The cleaning structure includes a cleaning head which ejects fluid under pressure and which is moveable relative to the filter element to bring about localized cleaning of the element. Preferably, the filter element is moved, by an hydraulic arrangement to bring about localized cleaning over the whole of the filter element.

REFERENCES:
patent: 2513420 (1950-07-01), McNamara
patent: 3487609 (1970-01-01), Caplan
patent: 3568414 (1971-03-01), Spriggs et al.
patent: 4481021 (1984-11-01), Kinney et al.
patent: 4632757 (1986-12-01), Rosenberg
patent: 4655049 (1987-04-01), Andrews et al.
patent: 4655799 (1987-04-01), Bosworth et al.

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