The electric motor and the transmission of power (1906)
Houston, Edwin J. (Edwin James), 1847-1914, Kennelly, Arthur E. (Arthur Edwin), 1861-1939, joint author · New York : McGraw Pub. Co. · leaf 195
no; incontact with a commutator, for such a motoras is shown in Fig. 31, is represented inFig. 45. Here h, 5, J^, 5\ are two pairs ofbrushes, each pair being connected electric- THE TRANSMISSION OF POWER. 187 ally together and resting upon the commu-tator bars. The brushes consist of metallicstiips… … FiG. 46.—Brush-Holders. holders maintain a uniform electric pressurebetween the brush and the commutator.After the brushes have been so set as topress upon opposite segments of the com-mutator, they can be rotated together intoany suitable position by the rocker arm^ 188 THE ELECTEIC MOTOR AND…
Electric motors
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