Assertion: commutator | /r/CapableOf | comprise a plurality of copper segments
Facets:
Source sentences:
text: Such commutators comprise a plurality of copper segments, separated by mica insulation, and supported on mica-covered V-rings, and it is desirable to give each commutator several seasoningA cycles after its nal assembly on the rotor-member of the dynamo-electric machine, and after the electrical connections have been completed between the ycommutatornecks and the armature-conductors. '
text: The commutator 6 comprises a hollow, cylindrical insulating resin portion 15 composed of phenol resin, and a plurality of copper segments 16 disposed with even pitch circumferentially around the outer surface of the insulating resin portion 15.