Hawkins electrical guide ... : questions, answers & illustrations : a progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications ; a practical treatise (1914)
Hawkins, N. (Nehemiah), 1833-1928 · New York : T. Audel & Co. · leaf 116
provides projecting surfaces for retaining theinductors in the slots by the insertion of wedges. 328 HAWKINS ELECTRICITY Ques. What is the object of cutting notches in teetht Ans. They are provided for the insertion of retaining wedges,as in fig. 361; this results in less area at the top of the… … Figs. 356 to 359.—Various forms of armature teeth; fig. 356 inclined type forming a slotwith parallel sides; figs. 357 and 358 proiecting type which provides a support for theretaining wedges; fig. 359 enclosed type which formstunnels for the inductors. that is, the cross sectional area of the…
Electrical engineering
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