Three-phase permanent magnet cascade claw type stepping motor

Details Three-phase permanent magnet cascade claw type stepping motor Three-phase permanent magnet cascade claw type stepping motor

1998-04-06

2000-02-22

Enad, Elvin

Electrical generator or motor structure

Dynamoelectric

Rotary

310254, 310258, 310261, 310263, 310268, H02K 3700

Patent

active

060283777

ABSTRACT:
A magnet type stepping motor which has (1) a stator with three-phase stator windings, and 6 m pieces of stator main pole arranged side by side, where m is an integer and.gtoreq.1, the stator windings of one phase are wound around every two stator main poles among the 6 m pieces of the stator main pole, wherein when the stator windings of one phase are excited with a direct current, m pieces of N pole and M pieces of S pole are formed alternately on the 6 m pieces of stator main pole, and (2) a rotor of a cylindrical permanent magnet magnetized in the circumferential direction to form Z/2 pieces of N pole and Z/2 pieces of S pole alternately, where Z is the number of rotor poles.

REFERENCES:
patent: 3558941 (1971-01-01), Breddia
patent: 4137473 (1979-01-01), Pfister
patent: 4381465 (1983-04-01), Reaki et al.
patent: 4873463 (1989-10-01), Jones
patent: 4980595 (1990-12-01), Arora
patent: 5038065 (1991-08-01), Matsubayashi et al.
patent: 5386161 (1995-01-01), Sakamoto
patent: 5410200 (1995-04-01), Sakamoto et al.
patent: 5874795 (1999-02-01), Sakamoto

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