Motor brake

Details Motor brake Motor brake

1979-10-25

1982-06-08

Smith, Jr., David

Electricity: motive power systems

Induction motor systems

Braking

318760, 318798, 318806, 363 28, H02P 324

Patent

active

043341810

ABSTRACT:
The braking of an a.c. motor is accomplished by sequence controlled outputs of a shift register circuit which sequentially disconnects the main a.c. electrical excitation from the a.c. motor, connects a full wave rectifier circuit to the a.c. motor and then applies the a.c. electrical excitation to the full wave rectifier circuit resulting in a braking current being supplied to the a.c. motor.

REFERENCES:
patent: 2539468 (1951-01-01), Pihl
patent: 2791735 (1957-05-01), Norman
patent: 2854613 (1958-09-01), Mowery, Jr.
patent: 2929977 (1960-03-01), Choudhury
patent: 3753061 (1973-08-01), Owens
patent: 4021700 (1977-05-01), Ellis-Anwyl
patent: 4027202 (1977-05-01), Tyler et al.
patent: 4181197 (1980-01-01), Tanabe et al.

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