International Library of Technology · Scranton, International Textbook Co. · leaf 433
Fig. 1628. place are shown at w, and c are the ventilating ducts forallowing a circulation of air through the core. The cast-brass shields s are supported from the armature spider and … Fig. 16S9. are used to protect the projecting ends of the coils. Thearmature is shown complete with the collector rings r andthe rectifier t. Fig. 1629 shows a large three-phase arma-ture with a distributed winding. It will be noticed that this CURRENT APPARATUS. 3799 armature has a large number of…
Electrical engineering
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