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 360
Fig. 116.—Fan Motor Brushes in Detail. such small alternatino:-current motors mul-tiphase circuits are not required. Afan motor always starts with no load, be- 352 THE ELECTRIC MOTOK AND yond the friction of its own bearings^but the load increases rapidly as thespeed increases, the activity… … Fig. 117.—No. 3 Fan Motor. velocity. The fan is generally attacheddirectly to the motor shaft. Fig, 114 isan illustration of a continuous-current fanmotor, arranged for various speeds. Here, THE TRANSMISSIOIS OF POWEE. 353 as is usual where tlie motor is in a positionin whicli it may be touched, it…
Electric motors
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