ELECTRICAL MACHINE AND METHOD OF MANUFACTURE
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United States of America Patent
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Issued Date -
Apr 2, 2020
app pub date -
Nov 19, 2019
filing date -
Dec 31, 2014
priority date (Note) -
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Abstract
An electrical rotor machine and a method of manufacturing the same are disclosed. According to at least one aspect of the present disclosure, the method includes forming a stator core from two or more subcores and inserting the separate subcores into a housing before windings are wound through and around the subcores to form a stator. In such embodiments, the housing includes a locating feature structured to position and support the subcores such that a flow channel is formed between the subcores. The locating feature enables both radial and axial cooling of the stator core while reducing pressure losses within the cooling flow path.
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