Title :
Helical grooves in slip-rings and commutators
Author_Institution :
Westinghouse Elec. & Mfg. Co., East Pittsburgh, Pa.
fDate :
6/1/1931 12:00:00 AM
Abstract :
Current-collection problems can be simplified to a marked degree by helical grooves cut into the surfaces of commutators and slip-rings. Results of comparative tests before and after grooving are presented herewith.
Keywords :
Brushes; Commutation; Companies; Contact resistance; Cooling; Face; Heating;
Journal_Title :
Electrical Engineering
DOI :
10.1109/EE.1931.6430282
