Hybrid cooling systems for hermetic motors

A hybrid cooling system for a hermetic motor includes an annular cavity in a motor housing that receives a vapor flow and an annulus in the motor housing that receives a liquid flow. The hybrid cooling system includes a sleeve disposed adjacent to the annular cavity and the annulus, where a radial o...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Heisey, Matthew Lee, Crissman, Katelynn Louise, Casper, Ian Michael, Bradshaw, David Andrew, Snell, Paul William, Wolgemuth, Tyler Alexander
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:A hybrid cooling system for a hermetic motor includes an annular cavity in a motor housing that receives a vapor flow and an annulus in the motor housing that receives a liquid flow. The hybrid cooling system includes a sleeve disposed adjacent to the annular cavity and the annulus, where a radial opening is defined through the sleeve. The hybrid cooling system includes a stator at least partially surrounded by the sleeve, a gap defined between the stator and a rotor, and a vent slot of the stator configured to receive the vapor flow from the annular cavity through the radial opening of the sleeve and direct the vapor flow to the gap. The hybrid cooling system includes an exit path in the motor housing configured to direct an evaporated vapor flow, generated from the liquid flow contacting the stator, and the vapor flow out of the motor housing.