Modern mechanism, exhibiting the latest progress in machines, motors, and the transmission of power, being a supplementary volume to Appletons' cyclopaedia of applied mechanics (1892)
Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 247
ce between each two successiveinduced portions of the conductors is greater or less than that between the poles of the field-magnets, according to the formula : n n D = d ; or. 7; = d. P P The inchiced current flows from one brush to the other through the whole svstem of con-ductors in such manner… … p\ n ) where u = average circumfer-ence of armature, n = num-ber of segments of the collec-tor, p = any number of field-magnets not le.ss than four. In the machine shown inthe engraving (Fig. 75) therearc 74 slots cut in the arma-ture 11\; in. tleep, ,Vu-o •>• wideat the circumference, andiWiT…
Mechanical engineering
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