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 328
FiG. 95.—Field Ring with Poles and Bobbins in Place. nently excited by a continuous currentfrom a separate generator. The field ring-is 11 T in diameter, and revolves at 250revolutions per minute. The cover of thefield ring is shown in an inverted position 320 THE ELECTEIC MOTOR AND in Fig. 96. A,… … Fig. 96.—The Driver for the Field Ring. Since the field maf>;nets revolve aroundthe fixed armature, it is necessary tofirmly attach the field to the shaft. Thisis effected by means of the cover just de-scribed. A completed machine is repre-sented in position in Fig. 97. A vertical cross-section…
Electric motors
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