Device for detecting the condition of carbon brushes

Details Device for detecting the condition of carbon brushes Device for detecting the condition of carbon brushes

1986-03-17

1988-08-02

Ro, Bentsu

Electricity: motive power systems

With signals, meters, recorders or testing devices

310242, 318480, H01R 3958

Patent

active

047615940

ABSTRACT:
An optical device for detecting a condition of a carbon brush in a drive unit includes lightguides disposed in vicinity with the carbon brush yet out of contact with the carbon brush and having a device for monitoring wear of the carbon brush, and a device for triggering a warning signal when the carbon brush has reached a predetermined residual length.

REFERENCES:
patent: 3523288 (1970-08-01), Thompson
patent: 4348608 (1982-09-01), Michael
patent: 4356395 (1982-10-01), Miller

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