Permanent magnet field DC machine

Permanent magnet field means for dynamo-electric machines

Permanent magnet field motor with radio frequency interference s

Permanent magnet field pole for a direct current dynamoelectric

Permanent magnet field small DC motor

Permanent magnet field structure for dynamoelectric machines

Permanent magnet field type DC machine

Permanent magnet field type rotating machine

Permanent magnet field type starting motor provided with an auxi

Permanent magnet field-type rotating machine

Permanent magnet flux-biased magnetic actuator with flux feedbac

Permanent magnet for motor, motor housing, and motor device

Permanent magnet generator

Permanent magnet generator

Permanent magnet generator apparatus including a consequent pole

Permanent magnet generator having internal stator with...

Permanent magnet generator providing alternating current which h

Permanent magnet generator rotor

Permanent magnet generator with a position sensing coil

Permanent magnet generator with auxiliary winding