Weed screen and trash eliminator

Details Weed screen and trash eliminator Weed screen and trash eliminator

1979-04-02

1981-03-03

Hart, Charles N.

Liquid purification or separation

Structural installation

Flume stream type

210407, 210170, 210355, 210413, 1525024, 405 39, B01D 3502, E02B 320

Patent

active

042539528

ABSTRACT:
A weed screen and trash eliminator for irrigation systems utilizing open ditches or canals for transmission of water. A rigid frame supports a stationary screen having a planar surface. A front trough directs water within a ditch onto the upper screen surface, which is inclined slightly from its front edge to its rear edge. The water passes through the screen, leaving weeds and other debris on the upper screen surface. Endless conveyors continuously move a transverse bristle brush along working flights that span the length of the screen. The conveyors are powered continuously in a direction such that the brush moves along the screen from front to back. A recessed catch pan is fixed across the frame immediately adjacent the rear edge of the screen to receive materials swept from the screen by the brush.

REFERENCES:
patent: 414887 (1889-12-01), Rakes et al.
patent: 452595 (1891-05-01), Correl
patent: 1063344 (1913-06-01), Fleishman
patent: 1150445 (1915-08-01), Matheson
patent: 1180564 (1916-04-01), Burnard
patent: 1331935 (1920-02-01), Lee
patent: 2309472 (1943-01-01), Morton
patent: 3061103 (1962-10-01), Mitchell
patent: 3390775 (1968-07-01), Bosch
patent: 3976573 (1976-08-01), Miller

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