Magnetically driven centrifugal pump

Details Magnetically driven centrifugal pump Magnetically driven centrifugal pump

1976-03-24

1977-09-13

Croyle, Carlton R.

Pumps

Motor driven

Including means utilizing pump fluid for augmenting cooling,...

417420, F04B 3504, F04B 3902

Patent

active

040478475

ABSTRACT:
A magnetically driven centrifugal pump comprises a split plate for dividing a space within a housing into two parts-impeller chamber and rotor chamber, a shaft supported by an inner wall of said rotor chamber and the split plate and having an internal rotor, an external rotor disposed outside the housing to magnetically drive the internal rotor, a passage means for permitting the communication between the impeller chamber and rotor chamber, and a restricting means for reducing the pressure of a fluid passing through said passage means.

REFERENCES:
patent: 2259361 (1941-10-01), Vorkauf
patent: 2448717 (1948-09-01), Jeffcock
patent: 2669187 (1954-02-01), Guyer
patent: 3118384 (1964-01-01), Sence et al.
patent: 3186513 (1965-06-01), Dunn et al.
patent: 3220350 (1965-11-01), White
patent: 3280750 (1966-10-01), White
patent: 3826938 (1974-07-01), Filer
patent: 3877844 (1975-04-01), Klaus et al.

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