Dynamo electric machinery; its design, construction, and operation; direct-current machines (1915)
Sheldon, Samuel, 1862-1920, Hausmann, Erich, 1886- joint author · New York, D. Van Nostrand Company; · leaf 206
The armature revolves between thepole faces of two sets of field magnets. Like poles are op-posed to each other. The flux, therefore, takes a path outof the opposing pole faces into the armature core, and thencircumferentially through the core and out into the nextpair of opposing pole faces. 194… … Fig. ii6. instead of the circumference. The individual bobbins areprotected by an insulating box, but are not surrounded byany masses of metal. This fact, together with the factthat the armature is of such shape as to cause great air GENERATORS. 195 disturbances, insures exceptionally good…
Electric machinery
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