Magnetically-coupled pump

Details Magnetically-coupled pump Magnetically-coupled pump

1969-07-07

1976-01-13

Freeh, William L.

Pumps

Motor driven

Electric or magnetic motor

310104, F04b 1700, F04b 3504

Patent

active

039320685

ABSTRACT:
A magnetically-coupled centrifugal type of pump characterized in that the pump housing comprises two members which can be made by molding, for example in plastic, and one of the body members has formed as integral parts thereof two reversely opening magnet wells, one for the inner driven coupling magnet and the other for the outer driving magnet; and the shaft mounting the impeller is footed on either member as an integral part of such member. Supplements to the subject: (1) the shaft may be separable and if so, has a sealing ring seated in a groove in the wall on which it is mounted or in the juxtaposed foot of the spindle; and (2) if the shaft is formed integrally, it may include a long metallic internal warp-preventing member.

REFERENCES:
patent: 2350534 (1944-06-01), Rosinger
patent: 2855141 (1958-10-01), Van Rijn
patent: 2970548 (1961-02-01), Berner
patent: 3155045 (1964-11-01), Lown et al.
patent: 3171356 (1965-03-01), Pensabene
patent: 3205827 (1965-09-01), Zimmermann
patent: 3249777 (1966-05-01), Congdon et al.
patent: 3299819 (1967-01-01), McCoy
patent: 3306221 (1967-02-01), Goodpasture
patent: 3373927 (1968-03-01), Miller

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