Method and fish pump for pumping up fish from a cod end

Details Method and fish pump for pumping up fish from a cod end Method and fish pump for pumping up fish from a cod end

1990-05-18

1991-12-10

Look, Edward K.

Rotary kinetic fluid motors or pumps

Selectively adjustable vane or working fluid control means

415 72, 415166, F03B 1502

Patent

active

050713140

ABSTRACT:
In order to pump up fish in a gentle manner from a cod end being towed by a vessel by means of a fish pump located at the end of the cod end, a throttle valve for adjusting the admission of the catch to the pump is positioned in the inlet suction channel of the pump. A direct sea water inlet to the pump inlet is provided in the form of openings with throttles for adjustment of the direct sea water inflow. Thus, the ratio between the fish from the cod end and sea water supplied directly to the pump is controlled.

REFERENCES:
patent: 84237 (1868-11-01), Waite
patent: 1762708 (1930-06-01), Allred
patent: 3116602 (1964-01-01), Dahle
patent: 3936224 (1976-02-01), Nordquist
patent: 4193737 (1980-03-01), Lemmon
patent: 4514139 (1985-04-01), Gurth

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