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

1999-11-09

2000-09-19

Enad, Elvin

Electrical generator or motor structure

Dynamoelectric

Rotary

310 49R, 310258, 310261, 310263, 310268, H02K 112

Patent

active

061217123

ABSTRACT:
A magnet type stepping motor which has (1) a stator with three-phase stator windings, and 6m 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 6m 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 6m 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: 5410200 (1995-04-01), Sakamoto et al.
patent: 5874795 (1999-02-01), Sakamoto

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