Bore hole pump

A helical gear borehole pump in which the outer member, having an internal helical gear form thereon, is used as the rotor and the discharge column 22 is itself rotated. It is dispensive of the need of a drive shaft within the discharge column and this also reduces the pressure drop up the discharge...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	HARROLD, DOUGLAS PRIEST, LIVERSIDGE, GORDON CEDRIC
Format:	Patent
Sprache:	eng ; fre ; 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 helical gear borehole pump in which the outer member, having an internal helical gear form thereon, is used as the rotor and the discharge column 22 is itself rotated. It is dispensive of the need of a drive shaft within the discharge column and this also reduces the pressure drop up the discharge column. The device is particularly suitable for hand operation by means of handle 17.