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Commutator   Listen
noun
Commutator  n.  (Elec.) A piece of apparatus used for reversing the direction of an electrical current; an attachment to certain electrical machines, by means of which alternating currents are made to be continuous or to have the same direction. It may be attached to the end of the spindle of an electric motor, where a brush is in contact sequentially with the parts of the spindle that conduct current to the different windings of the motor.






Collaborative International Dictionary of English 0.48








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"Commutator" Quotes from Famous Books



... gentleman not to crank—and so he cranked and cranked and still nothing happened. I chased a whole row of things one after another—battery, buzzer, oil or gasoline in the cylinders, defective insulation, commutator, water in the carburettor, choked feed-pipe,—and all it did was to cough in a ...
— The Motormaniacs • Lloyd Osbourne

... a, then through the end washer, and back similarly a quarter turn, e, then led along the diametrically opposite groove, and lastly a little over a quarter turn, f, back to g, where it is coupled to the next convolution. The commutator is formed of rings of sections. Each section is formed of short lengths. Each length is dovetailed and interlocked between conical steel rings. The whole is insulated with asbestos, and, when screwed up by the end ...
— Scientific American Supplement, No. 633, February 18, 1888 • Various

... having his silence attributed to shyness or imbecility. But—he could not get engaged to Muriel Coppin. That was reserved for Roland Bleke, the nut, the dasher, the young man of affairs. It was all very well being able to tell a spark-plug from a commutator at sight, but when it came to a contest in an affair of the heart with a man like Roland, Albert was in his proper ...
— A Man of Means • P. G. Wodehouse and C. H. Bovill

... the gases, so as to counteract the disturbing influence produced by the transport of the sulphuric acid gas from one side of the diaphragm to the other. This operation can easily be performed automatically by a commutator ...
— Scientific American Supplement, No. 717, September 28, 1889 • Various

... a base, B, and an upright front, A, to the back of which are attached two hollow coils on either side of a magnetic needle mounted on the same shaft as a second dial needle, N, outside the front. The wires W W are connected to the telegraph line and to the commutator, a device which, when the operator moves the handle H to right and left, keeps reversing the direction of the current. The needles on both receiving and transmitting instruments wag in accordance with the movements of the handle. One or more movements form an alphabetical letter of the Morse code. ...
— How it Works • Archibald Williams



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