Stepper motor

Details Stepper motor Stepper motor

1988-11-17

1990-05-01

Salce, Patrick R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310268, 310156, H02K 3712

Patent

active

049221450

ABSTRACT:
A stepper motor is disclosed which is comprised of planar elements. The motor comprises a disc-shaped rotor which includes a multipolar permanent magnet and generally planar stator coils mounted on opposite sides of the rotor. In order to provide a stepper motor which is efficient and is also relatively thin in the axial direction, generally planar pole plates having radially extending teeth are used to define the magnetic poles of the stator.

REFERENCES:
patent: 3459982 (1969-08-01), Cartier
patent: 4207483 (1980-06-01), Baer
patent: 4340833 (1982-07-01), Sudo et al.
patent: 4501981 (1985-02-01), Hansen
patent: 4517478 (1985-05-01), Oudet
patent: 4639084 (1987-01-01), Kugioka
patent: 4672247 (1987-06-01), Madsen et al.
patent: 4733115 (1988-03-01), Barone et al.

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