A CENTRIFUGAL PUMP WITH BALANCING MEANS AND A METHOD OF BALANCING AXIAL FORCES OF THE CENTRIFUGAL PUMP

The present invention relates to single- or multi-stage centrifugal pumps having novel disc- type means for balancing the axial forces of the pump. The disc-type balancing means are provided with at least one annular groove (54) in at least one of the non-axial counter surfaces (50) and (52) of the...

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Bibliographische Detailangaben
Hauptverfasser:	KOIVIKKO, Matti, TIITINEN, Kalle, HEISKANEN, Hannu, GÅSMAN, Teemu
Format:	Patent
Sprache:	eng ; fre
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:	The present invention relates to single- or multi-stage centrifugal pumps having novel disc- type means for balancing the axial forces of the pump. The disc-type balancing means are provided with at least one annular groove (54) in at least one of the non-axial counter surfaces (50) and (52) of the balancing disc (22) and the counter member (28). La présente invention concerne des pompes centrifuges à un ou plusieurs étages comportant des moyens innovants de type disque d'équilibrage des forces axiales de la pompe. Les moyens d'équilibrage de type disque comportent au moins une rainure annulaire (54) dans au moins une des surfaces antagonistes non axiales (50) et (52) du disque d'équilibrage (22) et de l'élément antagoniste (28).