Magnetically coupled pump and impeller assembly therefor

Details Magnetically coupled pump and impeller assembly therefor Magnetically coupled pump and impeller assembly therefor

1977-05-31

1979-05-01

Husar, C. J.

Pumps

Motor driven

Electric or magnetic motor

64 28M, 192 84PM, 308237R, 310104, 403368, F04B 1700

Patent

active

041520998

ABSTRACT:
Described is a magnetically coupled pump and an impeller assembly therefor. In a magnetically coupled pump wherein the hub portion of a rotary impeller is inserted within the bore of a hollow cylindrical driven magnet to be rotated by a surrounding annular driving magnet, the hub portion of the impeller is provided with a deformable projection. A tapered wedge is inserted into the bore to deform the projection and to attach the driven magnet to the hub. The tapered wedge is formed of graphite which also performs the function of a bushing upon which the impeller is rotated.

REFERENCES:
patent: 2347386 (1944-04-01), Adams
patent: 2879112 (1959-03-01), Cox
patent: 3021049 (1962-02-01), Settle
patent: 3082338 (1963-03-01), Turk
patent: 3205827 (1965-09-01), Zimmermann
patent: 3238878 (1966-03-01), Martin
patent: 3411450 (1968-11-01), Clifton
patent: 3420184 (1969-01-01), Engelesberg et al.
patent: 3513339 (1970-05-01), Harris et al.
patent: 3531216 (1970-09-01), Callahan

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