ELECTRIC MOTOR WITH SYMMETRIC COOLING
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United States of America Patent
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Issued Date -
Oct 8, 2015
app pub date -
Aug 25, 2014
filing date -
Apr 4, 2014
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Abstract
An electric motor for a rotary machine is disclosed. The electric motor includes a first lamination section and a second lamination section radially spaced apart from a driver shaft forming a first air gap and a second air gap respectively. The second lamination section is axially spaced apart from the first lamination section forming an air gap cooling outlet there between. The electric motor also includes motor windings extending through the first lamination section and the second lamination section, and across the air gap cooling outlet in circumferential groups. A winding shield is located around each of the circumferential groups of the motor windings.
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