Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 245
ion to the arm A^or shaft PP whenthey revolve in opposite directions at the same speed.When so revolving, at different speeds, they rotate the armAat a speed of half their difference of speeds, in the direc-tion of the greater. This is the fundamental form of theEdison epicyclic street-car gear. A… … Fig. II.—Epicyclic bevel-wheel train of mechanism. to the direction of rotation of the motor having the greaterspeed. Sometimes the arm X and wheels B C, Fig. lo, areduplicated on the other side of the shaft, as in Fig. i6, whichdistributes the strains, but in no way changes the kinemati-cal…
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