Electric motor assemblies including stator and/or rotor cooling
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United States of America Patent
Stats
-
Mar 13, 2018
Grant Date -
Jun 18, 2015
app pub date -
Feb 23, 2015
filing date -
Jun 21, 2010
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An electric motor assembly including a stator having a stator core and windings around the stator core is disclosed. The stator core has opposing ends and an outer surface extending between the opposing ends. The electric motor assembly also includes a housing having an inner surface enclosing at least a portion of the stator, and at least one fluid passage between the outer surface of the stator core and the inner surface of the housing. The fluid passage permits a coolant in the fluid passage to contact one or more portions of the outer surface of the stator core to remove heat from the stator core during operation of the electric motor assembly. Additional motor assemblies including stator and/or rotor cooling features are disclosed.
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