Principles and practice of electrical engineering (1914)
Gray, Alexander, 1882-1921 · New York [etc.] McGraw-Hill Book Company, inc. · leaf 72
C which is keyed to themotor shaft, the motor is thereby braked and brought rapidly torest. When current is applied to start the motor, the coil E isexcited at the same time and the disc B is attracted, releasing thering C, so that the motor shaft is then free to rotate. Electro-magnetic clutches… … Fig. 58.—Electromagnetic brake. pulley consists of an iron shell containing an exciting coil C whichproduces the magnetic field shown. Any iron particles carriedover this pulley by the conveyer belt are attracted and are
Electrical engineering
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
