Miniature motor with magnetized rotor end faces forming axial ma

Details Miniature motor with magnetized rotor end faces forming axial ma Miniature motor with magnetized rotor end faces forming axial ma

1993-04-21

1995-05-02

Dougherty, Thomas M.

Electrical generator or motor structure

Dynamoelectric

Rotary

H02K 1100

Patent

active

054122660

ABSTRACT:
A miniature motor comprising a rotor having a plurality of magnetic poles extending axially, which is disposed radially on the outer circumferential surface of the rotor, and a stator having two coils wound on coil bobbins, which are disposed axially in a housing formed into a bottomed hollow cylindrical shape; an end plate being fitted to an open end of the housing, in which the housing is made of a ferromagnetic material, the magnetic poles are provided on a housing-side end face of the rotor so that an axial magnetic attraction force is exerted between the rotor end face and the housing.

REFERENCES:
patent: 4639628 (1987-01-01), Kobayashi et al.

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