ROTOR DESIGN FOR AN ELECTRIC MOTOR HAVING BRAZED STRUCTURE FOR CONNECTING ROTOR BARS
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United States of America Patent
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May 1, 2017
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Jun 13, 2006
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Abstract
A rotor assembly is provided in which a solid rotor ring is formed at either end of a stack of laminated discs, the solid rotor rings yielding improved electrical and mechanical characteristics in a low weight assembly. The solid rotor rings are fabricated by brazing slugs between the end portions of the rotor bars, the braze joints contacting a large percentage (at least 90%) of the rotor bar end portions.
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