Centrifugal pump having a magnetic coupling

Details Centrifugal pump having a magnetic coupling Centrifugal pump having a magnetic coupling

1987-05-19

1988-10-25

Powell, Jr., Everette A.

Pumps

Motor driven

Electric or magnetic motor

415 10, F04B 1700

Patent

active

047800666

ABSTRACT:
The centrifugal pump has a pump rotor unit which is housed within an impeller chamber and which is driven by a permanent magnet coupling having magnetic pole units and pole shoes outside the impeller chamber. The pole shoes define a gap into which an annular part of an end cover of the pump housing projects and into which a magnetizable annular part of the pump rotor unit projects to complete the magnetic flux circuit.

REFERENCES:
patent: 3819293 (1974-06-01), Zitzmann
patent: 4065234 (1977-12-01), Yoshiyuki et al.
patent: 4115040 (1978-09-01), Knorr
patent: 4207485 (1980-06-01), Silver
patent: 4226574 (1980-10-01), Villette
patent: 4613289 (1986-09-01), Kotera
patent: 4645433 (1987-02-01), Hauenstein

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