Pump

Details Pump Pump

1986-06-18

1988-10-11

Garrett, Robert E.

Rotary kinetic fluid motors or pumps

Including shaft transmission train, brake, clutch, or...

415170A, 415189, 4151996, 415219R, 415143, F04D 1902, F04D 2904, F04D 2934

Patent

active

047767561

ABSTRACT:
A pump for pumping liquids includes a casing formed by upper and lower casing parts secured together. The upper casing part houses a centrifugal rotor having blades which direct liquid to a volute and the lower casing part houses an axial lift impellor which supplies liquid to the centrifugal rotor by way of fixed blades. The lower casing part also houses a further rotor which induces flow of liquid through the pump inlet. The rotor is directly connected to a drive shaft and the centrifugal rotor and impellor are coupled to the shaft preferably through step up gearing.

REFERENCES:
patent: 1861924 (1932-06-01), Karlstrom et al.
patent: 3286641 (1966-11-01), Delao et al.
patent: 3367274 (1968-02-01), Lombard
patent: 3692420 (1972-09-01), Mittelstaedt
patent: 3723019 (1973-03-01), Berman
patent: 4082477 (1978-04-01), Kronogard
patent: 4097186 (1978-06-01), Budris
patent: 4523900 (1985-06-01), Frey

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