Collectorless direct current outer rotor motor

Details Collectorless direct current outer rotor motor Collectorless direct current outer rotor motor

1984-02-06

1985-07-16

Miska, Vit W.

Electricity: motive power systems

Switched reluctance motor commutation control

318138, 318439, H02K 2902

Patent

active

045299188

ABSTRACT:
A collectorless direct current outer rotor motor with a substantially cylindrical air gap (14), particularly for driving magnetic plate accumulators. The rotor (16) of the motor (10) supports a permanently-magnetized exciter magnet (13, 13") having at least two pairs of poles and a permanently-magnetized control magnet (18, 18', 18"). At least one detector (20, 34, 26) of rotary position cooperates with the control magnet, and is responsive to the magnetic field to sense the position of the rotor. There is also provided commutating means (32) responsive to the detector of the rotary position, and a stator winding means (12) connected to the commutating means. A control pulse generator stage (21,29; 35,36; 47,55) adapted to generate one pulse only per each revolution of the rotor (16) is coordinated with the control magnet (18, 18', 18").

REFERENCES:
patent: 4430603 (1984-02-01), Muller

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