Method and a device for automatic cleaning of trashracks at wate

Details Method and a device for automatic cleaning of trashracks at wate Method and a device for automatic cleaning of trashracks at wate

1979-02-02

1980-08-19

Granger, Theodore A.

Liquid purification or separation

Structural installation

Flume stream type

B01D 3516

Patent

active

042183197

ABSTRACT:
The invention provides a device for automatic cleaning of trashracks. The device comprises a rake arm upheld by a support which is movable sideways in parallel with the trashrack. A wedge-shaped rake is pivotally mounted at the lower end of the rake arm, which by drive means is moved downwards and upwards along the trashrack, the rake thereby engaging the trashrack. During the downward movement the rake engages the trashrack only with its lower edge at which means are arranged striving to pivot the rake towards the trashrack. During the upward movement the rake is pressed against the trashrack with the whole end surface facing the trashrack.

REFERENCES:
patent: 2904181 (1959-09-01), Baher et al.
patent: 2978105 (1961-04-01), Poheim
patent: 3093580 (1963-06-01), Siewert
patent: 3355022 (1967-11-01), Nordell
patent: 3482698 (1969-12-01), Ostnas
patent: 3909411 (1975-09-01), Angele et al.

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