Low circulation loss compound brush

Electrical generator or motor structure – Dynamoelectric – Rotary

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310 45, 310247, 310249, 310251, H02K 1300

Patent

active

053878310

ABSTRACT:
A compound structure for increasing brush resistance while reducing brush face short-circuit current loss includes multi-piece single-material, multi-piece different-material, or multi-piece graduated permeation material brushes arranged to reduce circulation losses.

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patent: 2125027 (1938-07-01), Kasperowski
patent: 2783405 (1957-02-01), Atkins et al.
patent: 2959698 (1960-11-01), Titus
patent: 4000430 (1976-12-01), Bely et al.
patent: 5198715 (1993-03-01), Bolzan, Jr. et al.
patent: 5285126 (1994-02-01), Hoffmann

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