Direct-current machine

Details Direct-current machine Direct-current machine

1983-05-09

1984-08-21

Duggan, Donovan F.

Electrical generator or motor structure

Dynamoelectric

Rotary

310254, 310191, H02K 2126

Patent

active

044672322

ABSTRACT:
A DC machine (motor, etc.) with permanent field magnets arranged in the stator frame and designed as shells. The shell of each pole structure consists of two or more annular segments arranged one behind the other in the axial direction and staggered with respect to one another in the circumferential direction. The staggered arrangement reduces the excitation flux area between the poles and, thus, diminishes the detent torque of the rotor.

REFERENCES:
patent: 4110649 (1978-08-01), Mas

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