Commutator end dust seal for an electric motor

Details Commutator end dust seal for an electric motor Commutator end dust seal for an electric motor

1985-03-14

1986-03-04

Budd, Mark O.

Electrical generator or motor structure

Dynamoelectric

Rotary

310237, 384138, H02K 510

Patent

active

045742120

ABSTRACT:
An electric motor having a bearing and a commutator with brushes on one end of the rotor shaft, and a dust seal for the bearing formed by a sleeve forming part of and extending axially from the bearing into an annular recess in the commutator. The sleeve defines an open-ended conical space around the shaft, tapering to the bearing.

REFERENCES:
patent: 2256870 (1941-09-01), Schaffer
patent: 2981573 (1961-04-01), Reuter
patent: 3731126 (1973-05-01), Hagenlocher et al.

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