Method of preparing a permanent magnet DC machine

Details Method of preparing a permanent magnet DC machine Method of preparing a permanent magnet DC machine

1989-03-21

1990-04-24

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

310 42, 310154, H02K 1502

Patent

active

049188305

ABSTRACT:
A permanent magnet DC machine is prepared by attaching auxiliary magnetic poles having higher reversible permeability than that of main magnetic poles constituted by anisotropic permanent magnets which are to be attached to the inner circumferential surface of a yoke by welding;

REFERENCES:
patent: 4554474 (1985-11-01), Morishita et al.
patent: 4580072 (1986-04-01), Morishita
patent: 4794291 (1988-12-01), Abukawa et al.

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