Improvements in the rotors of squirrel cage motors and of salient pole synchronous machines

摘要

518,045. Conductors for dynamo-electric machines. MATHER & PLATT, Ltd., and HOPWOOD, H. Sept. 15, 1938, No. 26922. Drawings to Specification. [Class 35] [Also in Group XXII] Relates to laminated copper end rings for squirrel-cage rotors, the conductor bars being brazed into openings in the laminations and consists in making some of the openings for the conductors extend to the edge of the laminations, so as to assist the introduction of brazing material. The rings may consist of two helically wound strips screwed into each other, the openings in one of the strips being formed as described.