Coolant flow distribution using coating materials

An electric machine is disclosed. The electric machine includes a stator core within a transaxle housing and having a channel-less outer surface portion. The electric machine also includes one or more layers of an oleophobic or hydrophobic patterned coating defining boundaries wrapping around a peri...

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Bibliographische Detailangaben
Hauptverfasser: Jih, Edward Chan-Jiun, Degner, Michael W, Sung, Myung Ki
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:An electric machine is disclosed. The electric machine includes a stator core within a transaxle housing and having a channel-less outer surface portion. The electric machine also includes one or more layers of an oleophobic or hydrophobic patterned coating defining boundaries wrapping around a perimeter of the stator core, and one or more layers of an oleophilic or hydrophilic coating on the portion within the boundaries configured to direct coolant flow over the oleophilic or hydrophilic coating within the boundaries.