Two-pulse permanent magnet brushless D-C motor

Details Two-pulse permanent magnet brushless D-C motor Two-pulse permanent magnet brushless D-C motor

1985-09-23

1988-03-08

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 67R, 310156, 310216, 310259, 318318, 318254, H02K 1100

Patent

active

047301368

ABSTRACT:
The invention provides a two-pulse brushless direct current motor with reluctance auxiliary torque. The rotor has an approximately trapezoidal magnetization with small gaps between the poles. These gaps are positioned so that they come to rest opposite the point of largest air gap when the motor is deenergized. The motor has a high starting torque from this position of the rotor.

REFERENCES:
patent: 3873897 (1975-03-01), Muller
patent: 4011475 (1977-03-01), Schmider
patent: 4099104 (1978-07-01), Muller
patent: 4217508 (1980-08-01), Uzuka
patent: 4286184 (1981-08-01), Kogler
patent: 4357563 (1982-11-01), Ohno
patent: 4365187 (1982-12-01), McDaniel
patent: 4398134 (1983-08-01), Muller
patent: 4429263 (1984-01-01), Muller
"Zweipulsige Kollectorlose Gleichstrommotoren", R. Muller, ASR-Digest fur Angewandte Antriebtechnik, Heft 1-2/1977.

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