ELECTRICAL DISCHARGE PREVENTION IN BEARING FOR SUBMERSIBLE PUMP MOTOR

A submersible pump electrical motor has a bearing sleeve between first and second rotor sections and mounted to the shaft for rotation in unison. An insert sleeve surrounds the bearing sleeve. A carrier body surrounds the insert sleeve. A carrier anti-rotation ring on an outer diameter of the carrie...

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Bibliographische Detailangaben
Hauptverfasser:	WILCOX, Spencer, CLINGMAN, James C
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BEARINGS BLASTING CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DYNAMO-ELECTRIC MACHINES ELECTRICITY ELEMENTS OR CRANKSHAFT MECHANISMS ENGINEERING ELEMENTS AND UNITS FLEXIBLE SHAFTS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERATION HEATING LIGHTING MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT PUMPS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS ROTARY BODIES OTHER THAN GEARING ELEMENTS SHAFTS THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A submersible pump electrical motor has a bearing sleeve between first and second rotor sections and mounted to the shaft for rotation in unison. An insert sleeve surrounds the bearing sleeve. A carrier body surrounds the insert sleeve. A carrier anti-rotation ring on an outer diameter of the carrier body engages the bore of the stator. First and second seal rings are axially spaced apart from each other between an outer diameter of the insert sleeve and an inner diameter of the carrier body. A hole in the carrier body has an inner end at the inner diameter of the carrier body. An electrically conductive coil spring within the hole has an inner end protruding through the inner end of the hole into contact with the outer diameter of the insert sleeve, creating electrical continuity between the insert sleeve and the carrier body.