PUMP IMPELLER

The invention concerns a pump impeller of a centrifugal- or a half axial type meant to pump liquids, mainly sewage water. According to the invention, the pump impeller comprises a hub (4) provided with one or several vanes (5) the leading edges (6) of which being strongly swept backwards . The perip...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	ARBEUS ULF
Format:	Patent
Sprache:	eng ; pol
Schlagworte:	BLASTING CESSPOOLS FIXED CONSTRUCTIONS HEATING LIGHTING MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT PUMPS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS SEWERAGE SEWERS WATER SUPPLY WEAPONS
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Beschreibung
Zusammenfassung:	The invention concerns a pump impeller of a centrifugal- or a half axial type meant to pump liquids, mainly sewage water. According to the invention, the pump impeller comprises a hub (4) provided with one or several vanes (5) the leading edges (6) of which being strongly swept backwards . The periphery (8) of the leading edge is displaced 125-195 degrees relative to its connection (7) to the hub (4).