Rotor insulating core for miniature motors

Details Rotor insulating core for miniature motors Rotor insulating core for miniature motors

1991-02-25

1992-04-28

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Rotary

310216, 310 40MM, H02K 122

Patent

active

051091739

ABSTRACT:
A rotor insulating core for miniature motors comprising a stator having a field-forming permanent magnet, a rotor having a rotor winding wound on a rotor core fixedly fitted to a motor shaft; an insulating core being disposed on the surface of the rotor core; and the rotor winding being wound on the rotor core via the insulating core, in which the insulating core consists of an insulating end-face portion covering the end face of the rotor core and an insulating rib covering the side of the rotor core; both being integrally formed; the insulating rib is formed in such a fashion as to have a thickness smaller than the insulating end-face portion and a predetermined length, and disposed in such a manner as to cover the rotor core on which the rotor winding is wound.

REFERENCES:
patent: 2469100 (1949-05-01), Andrus
patent: 3209992 (1965-10-01), Christiansen
patent: 4400639 (1983-08-01), Kobayashi et al.
patent: 4486506 (1984-12-01), Kenjo et al.
patent: 4876473 (1989-10-01), Tanaka et al.

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