Polyphase DC motor with sensor poles

Details Polyphase DC motor with sensor poles Polyphase DC motor with sensor poles

1986-03-17

1987-08-18

Salce, Patrick R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 65, 310216, H02K 316, H02P 602

Patent

active

046879617

ABSTRACT:
A polyphase brushless DC motor has an integral automatic feedback arrangement and a high degree of magnetic balance. The stator pole elements of the motor are identical and equidistantly spaced, and the coils with which they are wound are connected as pairs; the pole elements in most of the armature pairs are directly adjacent one another. The sensor means has at least two circuit legs, each being connected to paired pole elements of the stator to provide a sensor channel, the channels cooperating to provide highly accurate rotor position feedback information.

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Article entitled "Multiple-Pole Stepping Motor", by Ted T. Lin, Rotorque Tech. Corp., Milpitas, CA.

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