Roto-dynamic pump with a diffusion back flow recirculator

Details Roto-dynamic pump with a diffusion back flow recirculator Roto-dynamic pump with a diffusion back flow recirculator

1981-03-16

1983-03-08

Coe, Philip R.

Rotary kinetic fluid motors or pumps

With means for re-entry of working fluid to blade set

Cross flow runner

415 59, 415 74, 415143, 415DIG1, F04D 1312, F04D 2968

Patent

active

043759386

ABSTRACT:
A roto-dynamic pump having recirculating means for preventing pump cavitation surging at low flow rates and at moderate to low values of net positive suction head.

REFERENCES:
patent: 2658338 (1953-11-01), Leduc
patent: 2709917 (1955-06-01), Bruynes
patent: 3325089 (1967-06-01), Vogler
patent: 3504986 (1970-04-01), Jackson

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