Brush shunt connection

Details Brush shunt connection Brush shunt connection

1976-07-01

1978-02-21

Duggan, Donovan F.

Electrical generator or motor structure

Dynamoelectric

Rotary

252511, 260 49, H01R 396

Patent

active

040755240

ABSTRACT:
Improved shunt connections for high current conducting carbon brushes for electrical rotating machinery utilize a tamping composition comprising finely divided granules composed of 85 to 97% by weight of graphite; and 15 to 3% by weight of a high temperature-stable resin such as polyaryl sulfone. After forming the tamped connection, a sealant is applied to the tamping composition. The sealant preferably comprises an aminofunctional silane, which improves the bond between the copper shunt and the tamping composition.

REFERENCES:
patent: 3510710 (1970-05-01), McCafferty
patent: 3647751 (1972-03-01), Darsow
patent: 3773720 (1973-11-01), Vogel et al.

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