Centrifugal pump

A centrifugal pump having at least one impeller (32), a pump housing and an electrical motor. The pump has a Q-H pump curve (4) having a head Ho (28) at zero flow and a head H ref (30) corresponding to the highest hydraulic power and that H ref (30) is greater than Ho (28). The pump has low energy c...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	STENHOLT LAURSEN, PIA, JENSEN, FINN, RASMUSSEN, SVEND, JEPSEN, TROELS
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING HEATING LIGHTING MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT PUMPS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS WEAPONS
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Beschreibung
Zusammenfassung:	A centrifugal pump having at least one impeller (32), a pump housing and an electrical motor. The pump has a Q-H pump curve (4) having a head Ho (28) at zero flow and a head H ref (30) corresponding to the highest hydraulic power and that H ref (30) is greater than Ho (28). The pump has low energy consumption rate, especially at low flow corresponding to the conditions in which the pump is operated most of the time. Thus, the pump according to the invention is less energy consuming than the prior art centrifugal pumps.