Control arrangement for a brushless D-C motor

Details Control arrangement for a brushless D-C motor Control arrangement for a brushless D-C motor

1977-12-20

1979-09-11

Rubinson, Gene Z.

Electricity: motive power systems

Reciprocating or oscillating motor

Energizing winding circuit control

18432, H02K 2900

Patent

active

041676939

ABSTRACT:
A commutation device for controlling a brushless d-c motor is disclosed. The commutation device includes a regulator circuit for regulating current supplied to the motor by means of a transistor connected between the power source and a commutation circuit. A threshold hysteresis level detector controls the transistor. During current peaks generated in the commutation circuit, the hysteresis of the level detector is increased to provide stable operation of the regulator with different motors and operating voltages.

REFERENCES:
patent: 3732472 (1973-05-01), Favre
patent: 3812413 (1974-05-01), Keidl
patent: 3824440 (1974-07-01), McIntosh
patent: 4035708 (1977-07-01), Schaff
patent: 4047081 (1977-09-01), Liska

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