HERMETIC MOTOR COOLING AND CONTROL

An apparatus and method for cooling a compressor motor (152) having a motor stator (162) and cooling a rotor (166) in a refrigerant system (100). The method cools the rotor and the stator, electromagnetic bearings (160) located within a compressor housing by providing refrigerant liquid to the stato...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	SCHREIBER, Jeb W
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING COMBINED HEATING AND REFRIGERATION SYSTEMS HEAT PUMP SYSTEMS HEATING LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT PUMPS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS REFRIGERATION MACHINES, PLANTS OR SYSTEMS REFRIGERATION OR COOLING WEAPONS
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Beschreibung
Zusammenfassung:	An apparatus and method for cooling a compressor motor (152) having a motor stator (162) and cooling a rotor (166) in a refrigerant system (100). The method cools the rotor and the stator, electromagnetic bearings (160) located within a compressor housing by providing refrigerant liquid to the stator internal channels, the channels being in fluid communication with a rotor passageway (172), and a flow-control device (168) controlling refrigerant flow into the stator. A temperature monitoring device (176) in communication with a controller (140) monitors motor temperature. The controller (140) evaluates the motor temperature and adjusts refrigerant flow through the flow control device (168), maintaining the motor (152) within a predetermined temperature range.