Commutator cone

Details Commutator cone Commutator cone

1981-08-21

1983-05-24

Dixon, Jr., William R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 43, 310 45, 310235, 310237, 428251, 428252, H01R 3904, H02K 1304

Patent

active

043852530

ABSTRACT:
A non-micaceous commutator cone for insulating commutator bars from retaining rings of a commutator assembly in a dynamoelectric machine, comprising an annular laminated member including at least one layer of non-conductive, resin-impregnated fibrous elements sandwiched between outer layers of thin, seamless, impervious, non-thermoplastic polymeric films. The wall of this laminate has the dielectric strength, the uniform thickness, the stability, and the resiliency that are required for a commutator cone in a relatively large, high temperature machine.

REFERENCES:
patent: 1872269 (1932-08-01), Frederick
patent: 2528235 (1950-10-01), Loritsch
patent: 2880336 (1959-03-01), Wohlferth et al.
patent: 3500094 (1970-03-01), Gilbert
patent: 3764449 (1973-10-01), Copeland et al.
patent: 4126719 (1978-11-01), Koyanagi et al.
patent: 4214026 (1980-07-01), Ibata et al.
patent: 4255483 (1981-03-01), Byrd et al.

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