Brush motor amplifier with overspeed protection

Details Brush motor amplifier with overspeed protection Brush motor amplifier with overspeed protection

1986-11-19

1989-01-24

Ro, Bentsu

Electricity: motive power systems

Motor-reversing

Armature or primary circuit control

318312, H02P 506

Patent

active

048003247

ABSTRACT:
A DC brush motor amplifier control includes a current switch power supply together with switching logic for operating the motor in response to a predetermined motor current signal. An encoder coupled to the DC brush motor provides a feedback signal used to control the motor operation. An overspeed detection system senses motor speeds in excess of a predetermined threshold and disables the switching logic to avoid overspeed failure.

REFERENCES:
patent: 3426262 (1969-02-01), Colter
patent: 4486692 (1984-12-01), Sonoda et al.
patent: 4514666 (1985-04-01), Suzuki
patent: 4570110 (1986-02-01), Bloom et al.
patent: 4599545 (1986-07-01), Moriki et al.

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