Brush wear indicator for a dynamoelectric machine

Details Brush wear indicator for a dynamoelectric machine Brush wear indicator for a dynamoelectric machine

1980-09-04

1982-05-11

Swann, III, Glen R.

Communications: electrical

Condition responsive indicating system

Specific condition

200 614, 310242, G08B 2100

Patent

active

043296831

ABSTRACT:
A dynamoelectric machine having a rotatable conductor on which a reciprocally mounted brush rides is provided with a brush wear indicator, comprising, an electro-mechanical transducer connected between a self-winding, brush-biasing spring forming part of the brush holder assembly and a brush wear signalling means in order to actuate the signalling means responsive to a predetermined degree of brush wear that causes the brush biasing spring to move an active element of the transducer a predetermined distance thereby effecting such actuation.

REFERENCES:
patent: 2691114 (1954-10-01), Lykins
patent: 3523288 (1979-10-01), Lowther
patent: 4024525 (1977-05-01), Baumgartner et al.
patent: 4121207 (1978-10-01), Jones
patent: 4172988 (1979-10-01), Lowther
patent: 4272695 (1981-06-01), Buchwald et al.

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