SQUIRREL CAGE ROTOR AND INDIVIDUAL PARTS THEREOF AND METHOD FOR PRODUCING A SQUIRREL CAGE ROTOR
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United States of America Patent
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Mar 24, 2014
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Mar 22, 2013
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Abstract
The invention comprises a squirrel cage rotor, in particular for use in an asynchronous machine, with a shaft, a laminated rotor core with cage bars and short-circuiting rings arranged within it, at least part of a short-circuiting ring consisting of a disk stack, which is built up in layers from disks with clearances, through which the ends of the cage bars extend out from the laminated rotor core, wherein the disks of a short-circuiting ring have, starting from the lateral surface as the outside face, over the outer circumference at least one bevel or step, which is directed radially inward, and wherein, by their respective bevels or steps, neighboring disks form in the disk stack a slot, in which there is a joining connection, at least in certain portions.
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