Hollow vertical shaft type permanent magnet synchronous drive device for screw pump

The utility model relates to a hollow vertical shaft type permanent magnet synchronous drive device for a screw pump, belonging to a mechanical ground-driving device of oil production in oilfields. The hollow vertical shaft type permanent magnet synchronous drive device for the screw pump is charact...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	CUI GANGDOU, XU JIANNING, LU JIAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DYNAMO-ELECTRIC MACHINES ELECTRICITY GENERATION HEATING LIGHTING MECHANICAL ENGINEERING POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS WEAPONS
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