Electrically isolated brush holder

Details Electrically isolated brush holder Electrically isolated brush holder

1977-07-14

1979-09-04

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

H02K 1300

Patent

active

041669681

ABSTRACT:
An improvement in dynamo electric machines is disclosed in which the brush holder is electrically isolated from the brush pigtail terminal junction. The member which supports the junction connecting the brush pigtail and the lead from the stator includes an insulator which electrically isolates the junction from the brush holder. The insulator eliminates the relatively low impedance electrical path between the brush terminal and the commutator through the brush holder, preventing damaging arcing between the commutator and the brush holders.

REFERENCES:
patent: 2683826 (1954-07-01), Staak
patent: 2753477 (1956-07-01), Yahn
patent: 3003074 (1961-10-01), Finsterwalder
patent: 3106656 (1963-10-01), Merriam
patent: 3141985 (1964-07-01), Martin
patent: 3159763 (1964-12-01), Colvill
patent: 3176177 (1965-03-01), Huston
patent: 3628075 (1971-12-01), Dafler
patent: 3654504 (1972-04-01), Susdorf
patent: 3735172 (1973-05-01), Battaglia
patent: 3739323 (1973-06-01), Spors

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