Bar screen filtering device

Details Bar screen filtering device Bar screen filtering device

1979-08-01

1981-05-05

Granger, Theodore A.

Liquid purification or separation

Structural installation

Flume stream type

210170, B01D 2938, B01D 3502

Patent

active

042657504

ABSTRACT:
The specification discloses a bar screen in combination with apparatus adapted to clean the same by inserting a rake between the bar screen and moving the rake upward. The bar screen comprises a plurality of bar members each having a base component adapted for securement to the bed of the waste waterway and an upright component integrally attached to the base component to form an approximate "L" shaped bar member. The bar members are sized and spaced apart with the base component extending upstream to provide a protected area free of large debris for insertion of the rake means in preparation for the cleaning operation. Such a combination minimizes the possibility of rake damage and increases the cleaning efficiency of the unit.

REFERENCES:
patent: 1529602 (1925-03-01), Maine
patent: 1794504 (1931-03-01), Van Norman
patent: 2128347 (1938-08-01), Briggs
patent: 2128349 (1938-08-01), Briggs
patent: 2198943 (1940-04-01), Lowe
patent: 2915184 (1959-12-01), Lannert
patent: 3872006 (1975-03-01), Abel

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