Brush holder for use in electric motor

Details Brush holder for use in electric motor Brush holder for use in electric motor

1995-06-02

1997-06-24

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Rotary

H02K 1300

Patent

active

056420129

ABSTRACT:
A drive has a hub with first and second end portions and a shoulder located thereon. An armature and sheave assembly is located on bearings on the hub first end portion. The armature forms a cavity for receiving an electromagnet, which abuts against the shoulder. Slip rings are coupled to the electromagnet by way of a fan and a slip ring shaft. The slip rings, which are adjacent to the second end of the hub, can be of a small diameter to extend brush life. In addition, the same size slip rings can be used on different sizes of the drive. Two piece brush holders are provided for each brush. Each brush holder can be disassembled into its respective pieces for cleaning. The brush holders and slip rings can be protected from the environment by a cover.

REFERENCES:
patent: 3159763 (1964-12-01), Colvill et al.
patent: 3577025 (1971-05-01), Taylors
patent: 3590297 (1971-06-01), Lombard
patent: 3603824 (1971-09-01), Csaki
patent: 3745393 (1973-07-01), Spors
patent: 4136295 (1979-01-01), Sweet

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