Magnetically driven pump

Details Magnetically driven pump Magnetically driven pump

1996-09-23

2000-02-22

Thorpe, Timothy

Pumps

Motor driven

Electric or magnetic motor

4174237, F04B 1700

Patent

active

060273186

ABSTRACT:
A magnetically driven pump includes a pump chamber, an impeller held in the pump chamber so as to be rotatable about a central axis, a drive unit for rotatively driving the impeller, and a magnetic attraction system provided on the drive unit and impeller for rotating the impeller by mutual magnetic force. At least one of the first and second magnetic attraction devices is provided in parallel with the central axis and being provided also in front of and in back of the pump in the axial direction.

REFERENCES:
patent: 2399856 (1946-05-01), Coger
patent: 2796028 (1957-06-01), Beagle
patent: 3609068 (1971-09-01), Fays
patent: 4574644 (1986-03-01), Lew et al.
patent: 5248246 (1993-09-01), Lew et al.

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