Magnet ball pump

Details Magnet ball pump Magnet ball pump

1984-09-17

1987-02-10

Croyle, Carlton R.

Pumps

Motor driven

Motor within rotary pumping member

417420, 415 90, 416 3, 416179, F04D 500, F04D 2922

Patent

active

046420363

ABSTRACT:
A fluid pump including a double-entry impeller whose outer boundary is defined by a dissected spherical surface. The spherical surface includes an equatorial region which may be a groove or a cylindrical surface. The impeller is polarized magnetically and forms a dipole whose axis is normal to the plane of the equatorial region. The rotating magnetic field of a polyphase stator winding spins the impeller, and aligns the impeller spin axis along the stator axis.

REFERENCES:
patent: 1263325 (1918-04-01), Klahn
patent: 1937525 (1933-12-01), Mobley
patent: 3037457 (1962-06-01), Sternlight
patent: 3245665 (1966-04-01), Steel
patent: 3354833 (1967-11-01), Laing
patent: 3447469 (1969-06-01), Laing
patent: 3608088 (1971-09-01), Dorman et al.
patent: 3732445 (1973-05-01), Laing
patent: 3923416 (1975-12-01), Frey
patent: 4035108 (1977-07-01), Laing
patent: 4043706 (1977-08-01), Walker
patent: 4378195 (1983-03-01), Gamell
patent: 4422822 (1983-12-01), Milleron
patent: 4524466 (1985-06-01), Hall et al.

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