METHOD AND APPARATUS FOR INCREASING THE EFFICIENCY OF ELECTRICAL ROTARY MACHINES

摘要

An electric rotary machine (32) of the type having a commutator (36) and brushes (34, 34) comprising: a dielectric fluid (40) comprising a halogenated aliphatic hydrocarbon; and means for applying said dielectric fluid (40) continuously to said brushes (34, 34) adjacent said commutator (36) while said machine (32) is running.