Lead-wire leading device in electric motor

Details Lead-wire leading device in electric motor Lead-wire leading device in electric motor

1997-06-25

1998-12-08

Dougherty, Thomas M.

Electrical generator or motor structure

Dynamoelectric

Rotary

310249, 310251, H02K 700

Patent

active

058474773

ABSTRACT:
A lead-wire leading device in an electric motor which comprises: lead wires 10a and 10b having first ends which are connected to a terminal, and second ends, namely, the remaining ends which are connected to brushes; and a grommet 7 adapted to secure the lead wires to a motor frame, namely, a rear bracket 12, the grommet 7 being fitted on the lead wires 10a and 10b, so that the leakage current circuit which is formed by the lead wires 10a and 10b, the grommet 7, and the rear bracket 17 when the motor operates abnormally is cut off with an insulating member, namely, a silicone glass tube 14 which is higher in heat resistance than the grommet 7.

REFERENCES:
patent: 4192352 (1980-03-01), Hakamada et al.
patent: 4985654 (1991-01-01), Morikane

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