A dictionary of electrical words, terms and phrases (1898)
Houston, Edwin J. (Edwin James), 1847-1914 · New York, The W. J. Johnston company · leaf 21
njurious action of destructive flashing at thecommutator of a dynamo-electric machine. A thin, forcible blast of air is delivered throughsuitable tubes at points on the three-part commu-tator cylinder of the Thomson-Houston dynamo,where the collecting brushes bear on its surface.The effect is to… … Fig. 4. Air-Blast on Commuta The blast-nozzles are shown at B3, B3, Fig. 4,near the collecting brushes. The air-supply is obtained from a blower at-tached directly to the shaft of the machine. Itsconstruction and operation will be readily under-stood from an inspection of Fig. 5, in which the
Electricity · Electrical engineering
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