Slip ring retainer mechanism

Details Slip ring retainer mechanism Slip ring retainer mechanism

1980-12-01

1982-08-24

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

339 5R, H02K 1302

Patent

active

043463215

ABSTRACT:
In order to prevent the exertion of high pressure during the installation of electrical slip rings on the armature shafts of electrical machinery, and to provide secure holding of the slip rings without exerting radial stresses, the slip ring retainer mechanism according to the invention provides pressure rings which are mounted on the armature shaft and which engage respective end faces of the electrical slip ring. In a preferred construction, the slip rings are loosely slipped over an intermediate metallic bushing on which the compressive rings are then press-fit so as to bear against the sides of the slip rings. The intermediate bushing has an outer insulating layer and the pressure rings may be provided with electrical connectors for coupling to the exciter windings on the armature. The end faces of the slip rings may be suitably shaped or grooved to make form-fitting engagement with similarly shaped mating surface features of the compression rings.

REFERENCES:
patent: 1870236 (1932-08-01), Chervenka
patent: 3059202 (1962-10-01), Huber
patent: 3685514 (1972-08-01), Dube
patent: 3688142 (1972-09-01), Forste
patent: 4100440 (1978-07-01), Binder

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