Electromagnetically driven pumps

Details Electromagnetically driven pumps Electromagnetically driven pumps

1976-02-24

1978-02-07

Freeh, William L.

Pumps

Motor driven

Electric or magnetic motor

F04B 1700

Patent

active

040724468

ABSTRACT:
The invention resides in a rotary machine in which an electromagnetic spherically shaped armature and a pump impeller being enclosed in a casing are born, as a unit, by a frusto-spherical bearing of which the convex (or ball) part rotates, and in which frictional rotatable seal means are carried by an annular wall extending inwardly of the casing between armature and impeller supports the fixed bearing part and sealing means which isolate the spaces in which run the armature and the impeller respectively.

REFERENCES:
patent: 2154199 (1939-04-01), Colwell et al.
patent: 2566743 (1951-09-01), Okulitch et al.
patent: 3001479 (1961-09-01), Swenson et al.
patent: 3060860 (1932-10-01), Schaefer
patent: 3405295 (1968-10-01), Daley et al.
patent: 3643120 (1972-02-01), Young et al.
patent: 3741690 (1973-06-01), Laing

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