The electric motor and the transmission of power (1906)
Houston, Edwin J. (Edwin James), 1847-1914, Kennelly, Arthur E. (Arthur Edwin), 1861-1939, joint author · New York : McGraw Pub. Co. · leaf 363
Fig. 119.—Ceiling Fan and Motor. brusli employed in tlie motor of Fig. 115.Here, it will be seen that carbon cylindri-cal brushes are employed which are main- THE TKA]SrSMISSIO:N OF POWEE. 355 tained in pressure upon the commutator bythe action of a spiral spring. Fig. 117, shows an… … Fig. 120.—No. 2 (1/4 HP) Fan Outfit, Set up as akExhaust. fan motor, also enclosed. Fig. 118, shoAvsa form of fan motor intended to be oper-ated on a series-arc circuit. Since thepressure employed on such a circuit is 356 THE ELECTRIC MOTOR AKD generally liigli, this motor requires to becarefully…
Electric motors
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