Low damage hydraulic fish pumping system

Details Low damage hydraulic fish pumping system Low damage hydraulic fish pumping system

1983-02-28

1988-07-12

Look, Edward K.

Pumps

Processes

43 45, 417 85, 417 90, 417108, 417405, F04F 522

Patent

active

047566710

ABSTRACT:
A submersible rotary impeller fish pump augmented by the release of large volumes of pressurized air into the pump's discharge stream during pump operation enables the pumping of fish or other water-borne articles to the same or greater heights at materially lower impeller speeds and with less impeller damage than the same pump unaided.

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patent: 4155682 (1979-05-01), Hillis
"An Air-Lift Pump for Elevating Salmon, Herring, and Other Fish of Similar Size," Journal Fisheries Research Board of Canada, vol. 21, No. 4, 1964.

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