Self-cleaning filter, particularly for feed waters in industrial

Details Self-cleaning filter, particularly for feed waters in industrial Self-cleaning filter, particularly for feed waters in industrial

1986-05-16

1987-05-19

Sever, Frank

Liquid purification or separation

Flow, fluid pressure or material level, responsive

Filter cleaning

210108, 21033301, B01D 3516

Patent

active

046665927

ABSTRACT:
In a self-cleaning filter of known type comprising a cylindrical body, a removable cover, a plate provided with holes and defining an inlet and outlet chamber inside said body, filtering tube-shaped elements engaged at their open ends with the central plate and at their closed ends with a support plate rigidly connected to the central plate, cleaning tubes automatically sucking the stored material from said filtering elements and leading off to a reception tube rotated by external power means, the improvement consisting in that the support plate is engaged between the cover and the free end of the cylindrical body and is provided with additional holes in coaxial relation with the through holes of the central plate and engaging said filtering elements in the region of their respective closed ends, each of them being substantially composed of a closing wall disposed at a predetermined distance from the edge of the filtering element facing said cover and being furthermore provided with an annular shoulder abutting on said support plate.
The absence of threaded elements subject to corrosion makes the invention suitable for filtering sea water.

REFERENCES:
patent: 3703465 (1972-11-01), Reece et al.
patent: 4059518 (1922-11-01), Rishel
patent: 4162219 (1979-07-01), Miropolsky et al.

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