Method of producing a field magnet for a DC motor and a field ma

Details Method of producing a field magnet for a DC motor and a field ma Method of producing a field magnet for a DC motor and a field ma

1995-11-03

1997-11-25

Donovan, Lincoln

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

For magnetizing or demagnetizing

310 42, 310152, H01F 720

Patent

active

056916817

ABSTRACT:
A method of producing a field magnet for a DC motor is disclosed. A molding material is casted into a molding space which is between outer and inner molds. Field poles are formed by magnetizing poles on the outer peripheral surface of the inner mold, in portions which oppose the magnetizing poles. A magnetic path which connects the field poles with each other is formed in a thickness portion of the molding material by powder of a ferromagnetic material in the molding material.

REFERENCES:
patent: 5502424 (1996-03-01), Kato et al.

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