Brushless DC motor and sensorless drive arrangement therefor

Details Brushless DC motor and sensorless drive arrangement therefor Brushless DC motor and sensorless drive arrangement therefor

1986-07-31

1987-09-15

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 43, 310 46, 310 67R, 310156, 318138, 318439, 324161, H02K 1100

Patent

active

046942106

ABSTRACT:
A resilient coupling between the rotor and output shaft of a brushless DC motor cooperates with a sensorless drive arrangement that obtains rotor position information from the voltage induced in the stator windings of the motor to reduce the effective inertia of the load and aid in starting of the motor.

REFERENCES:
patent: 3277669 (1966-10-01), Woolley
patent: 3757167 (1973-09-01), Yoshikawa
patent: 4115715 (1978-09-01), Muller
patent: 4162435 (1979-07-01), Wright
patent: 4197489 (1980-04-01), Dunn
patent: 4206379 (1980-06-01), Onda
patent: 4250435 (1981-02-01), Alley
patent: 4262237 (1981-04-01), Gelenius
patent: 4506178 (1985-03-01), Bukoschek
patent: 4574211 (1986-03-01), Muller
patent: 4585979 (1986-04-01), Sakamoto

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