Stepping motor with rotor-positioning magnet

Details Stepping motor with rotor-positioning magnet Stepping motor with rotor-positioning magnet

1981-12-07

1983-08-02

Duggan, Donovan F.

Electrical generator or motor structure

Dynamoelectric

Rotary

310162, H02K 3700

Patent

active

043968465

ABSTRACT:
A ring (16) of non-magnetic material is engaged in the opening bounded by the pole shoes (6,7) of a pole plate (5), between the pole shoes and the rotor (12).
A magnet (18) serving to define the position of rest of the rotor is mounted on this ring, which can be accurately positioned by means of a slot (11) provided in the pole plate.

REFERENCES:
patent: 3719839 (1973-03-01), Endo
patent: 4103191 (1978-07-01), Kawamura et al.

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