Sliding contact assemblies for rotary electric machines

Details Sliding contact assemblies for rotary electric machines Sliding contact assemblies for rotary electric machines

1982-01-08

1983-09-06

Duggan, Donovan F.

Electrical generator or motor structure

Dynamoelectric

Rotary

H01R 3908

Patent

active

044031645

ABSTRACT:
A pair of brushes respectively slidably engage radially outer surfaces of first and second electrically conductive rings which are disposed co-axially and are rotatable about their common axis. The first ring surrounds an axial portion of the second ring and is electrically insulated therefrom by a thin layer of insulating material, while the second ring is mounted on a rotary shaft and is electrically insulated therefrom similarly by a thin layer of insulating material. The second ring may be axially stepped so that it has a smaller diameter portion which is surrounded by the first ring and a larger diameter portion which is engaged by the respective brush.

REFERENCES:
patent: 3564168 (1971-02-01), Bigg et al.

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