Stepping motor with divided stator pole pieces

Details Stepping motor with divided stator pole pieces Stepping motor with divided stator pole pieces

1987-07-15

1988-12-27

Salce, Patrick R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 49R, H02K 1902, H02K 2114

Patent

active

047942924

ABSTRACT:
A stepping motor with a rotor having magnetic poles arranged at a constant pitch along the periphery, first and second stator sets each having stator poles at a constant pitch and arranged at a mutual offset of 1/4 pitch with respect to the rotor, and coils for magnetizing the first and second stator sets, wherein each stator pole is provided with a magnetic polarity and is practically divided, at least on a face directed to the rotor, into plural areas, so as to form an area of a high magnetic reluctance at the center.

REFERENCES:
patent: 3496393 (1970-02-01), Reieman et al.
patent: 3504253 (1970-03-01), Kavanaugh
patent: 3549918 (1970-12-01), Croymans et al.
patent: 3790834 (1974-02-01), Tanaka
patent: 4656381 (1987-04-01), Komatsu

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