Direct-current machine comprising a permanent-magnetic stator

Details Direct-current machine comprising a permanent-magnetic stator Direct-current machine comprising a permanent-magnetic stator

1988-10-27

1990-06-19

Salce, Patrick R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 46, 310 49R, 310 40MM, H02K 2126, H02K 3700

Patent

active

049356550

ABSTRACT:
In a direct-current machine comprising a permanent-magnetic stator, the detent torque or resting moment of the rotor is to be reduced by simple and low-cost technical means. This is achieved by disposing the permanent-magnet shells of the stator asymmetrically with respect to each other.

REFERENCES:
patent: 3077546 (1963-02-01), Schroter
patent: 3693037 (1972-09-01), West
patent: 3959672 (1976-05-01), Walker et al.
patent: 4642494 (1987-02-01), Lundin et al.
Kokai, No. 53-136609 (43) 11, 29, 1978 (19) JP.

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