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 124
eared to the locomotive axle. Either direct- or alternating-currentmotors may be used for mine haulage. One of the most important applications of the electric motor inthe mine is that of the Sullivan coal cutter, shown in Fig. 51. Thisfigure illustrates the machine in working position crossing the… … Fig. 50. Electric Truck for Electric Locomotive Shown in Fig. 49Courtesy of General Electric Company sprockets and feeds the machine along the face; and a frame or panon which the working parts are mounted. The direct-connected motor and centrifugal pump have comeinto extensive use for mine work as…
Electrical engineering
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