Electrical Contacts, 2nd Edition

21

Illustrative Modern Brush Applications

Wilferd E. Yohe and William A. Nystrom

The heavens rejoice in motion, why should I Abjure my so much lov’d variety?

Elegies, John Donne

CONETNS

21.1    Introduction

21.2    Brush Materials

21.2.1    Electrographite

21.2.2    Carbon-Graphite

21.2.3    Graphite

21.2.4    Resin-Bonded

21.2.5    Metal-Graphite

21.2.6    Altitude-Treated Brushes

21.3    Brush Applications

21.3.1    Minature Motors

21.3.2    Fractional Horsepower Motors

21.3.2.1    Wound Field/Permanent Magnet-Motor Characteristics

21.3.3    Automotive Brush Applications

21.3.3.1    Auxiliary Motors

21.3.3.2    Alternators

21.3.3.3    Starter Motors

21.3.4    Industrial Brushes

21.3.5    Diesel Electric Locomotive Brushes

21.3.6    Aircraft ...