COOLING STRUCTURE FOR MOTOR
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United States of America Patent
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Issued Date -
Nov 12, 2015
app pub date -
May 7, 2015
filing date -
May 9, 2014
priority date (Note) -
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Abstract
A cooling structure for a motor includes: a stator in which a plurality of teeth are arranged along an inner circumference of a hollow at which a rotor is disposed, and spacing portions are formed between the teeth; coils individually wound around outer circumferences of the teeth and configured to generate a magnetic force by external power; and cooling tubes individually wound around the teeth to surround outer circumferences of the coils and configured to cool the coils by circulating a refrigerant supplied from the outside.
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