Safety system for a stepper-motor drive

Details Safety system for a stepper-motor drive Safety system for a stepper-motor drive

1992-05-27

1993-09-21

Stephan, Steve L.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 19J, 318696, H02K 3700, H02P 800

Patent

active

052472175

ABSTRACT:
In a safety system for a stepper-motor drive, a stepper motor for operating a throttle valve has poles with windings. Each pole winding is divided into part-windings, each of which is driven by a dedicated output stage. As a result, in the event of a failure of a part-winding or an output stage, it remains possible to control the stepper motor.

REFERENCES:
patent: 4548176 (1985-10-01), Ishida et al.
Patent Abstracts of Japan, vol. 11, No. 347 (M-641) [2794] Nov. 13, 1987.

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