Downhole immersion pump for more severe duties, includes coupling section between slowly-rotating drive and pump in slender arrangement

A coupling section is fitted between a slowly-rotating drive and a pump. This accepts axial and radial forces. The cross section of the coupling section and pump is no greater than 100 mm. The coupling section comprises a bearing assembly (8) with radial bearing (14), axial bearings (12) and a compe...

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Bibliographische Detailangaben
Hauptverfasser:	DITTRICH, JOCHEN, EITLER, JOERG
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	BLASTING HEATING LIGHTING MECHANICAL ENGINEERING POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS WEAPONS
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Beschreibung
Zusammenfassung:	A coupling section is fitted between a slowly-rotating drive and a pump. This accepts axial and radial forces. The cross section of the coupling section and pump is no greater than 100 mm. The coupling section comprises a bearing assembly (8) with radial bearing (14), axial bearings (12) and a compensator (16). The bearing unit has a seal (22, 24) on each side. The drive power is no greater than 25 kW.