Liquid purification or separation – Structural installation – Flume stream type
Patent
1978-09-18
1980-04-22
Granger, Theodore A.
Liquid purification or separation
Structural installation
Flume stream type
210410, 405 82, B01D 3302, B01D 3338
Patent
active
041994531
ABSTRACT:
Apparatus for protecting aquatic life carried by water passing through a vertical traveling band screen unit having inwardly opening screening baskets. Each basket carries a longitudinally extending, inwardly projecting baffle adjacent its trailing side with the portion thereof adjacent the basket being imperforate. The area along the length of each basket at the inner side of the baffle is imperforate and defines with the baffle a pocket for receiving water and aquatic life carried thereby upon upward movement through the water and is adapted to discharge the water and aquatic life carried thereby upon movement of the pocket to a predetermined elevation. A low pressure stream of water transfers the aquatic life from the pocket to a discharge trough located inwardly of the screening unit.
REFERENCES:
patent: 1208655 (1916-12-01), Reynolds
patent: 1579105 (1926-03-01), Green
patent: 1874736 (1932-08-01), Bleyer
patent: 1903627 (1933-04-01), Koch
patent: 2804209 (1957-08-01), Carlten et al.
patent: 3093578 (1963-06-01), Hitmeiser
patent: 3458046 (1969-07-01), Passaquant
patent: 4040952 (1977-08-01), Japp
McCawley Robert
Siddle Kenneth R.
Granger Theodore A.
Passavant Corporation
Thompson Jr. Woodford R.
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