Cyclopedia of applied electricity : a general reference work on direct-current generators and motors, storage batteries, electrochemistry, welding, electric wiring, meters, electric lighting, electric railways, power stations, switchboards, power transmission, alternating-current machinery, telegraphy, etc. (1916)
American Technical Society · Chicago : American Technical Society · leaf 322
Fig. 48. Ai mature Showing Equalizer RingCourtesy of General Electric Company ducts or air passages. The arms of the spider have cast upon themwings or fan blades. These serve as a powerful centrifugal fan to … Fig. 49. General Electric Armature Space Block keep a constant blast of air passing between the laminations andwindings and around the poles. An armature embodying thesefeatures is called a ventilated armature. 286 TYPES OF GENERATORS AND MOTOBS 41 The armature coils are of the form-wound copper…
Electrical engineering
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