SUBMERGED ELECTRICALLY-DRIVEN PUMP

FIELD: engines and pumps. ^ SUBSTANCE: invention relates to submerged centrifugal electrically-driven pumps used to pump out aggressive media including those containing abrasive mechanical impurities and can be used in mining operations to produce fluid hydrocarbons from petroleum wells with the hel...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
Hauptverfasser:	GOTLIB MIKHAIL VLADILENOVICH, ZHAK ORBAN
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	BLASTING HEATING INDEXING SCHEME FOR ASPECTS RELATING TONON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES ORJET-PROPULSION PLANTS INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES ORMATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHERTHAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUSSUBCLASSES OF CLASSES F01-F04 LIGHTING MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT PUMPS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS WEAPONS
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	FIELD: engines and pumps. ^ SUBSTANCE: invention relates to submerged centrifugal electrically-driven pumps used to pump out aggressive media including those containing abrasive mechanical impurities and can be used in mining operations to produce fluid hydrocarbons from petroleum wells with the help of alkaline or acid leaching-out substances. The pump consists of a casing with a head and a base. The pump shaft runs in thrust bearings fitted in the casing base. The impeller stages are fitted on the said shaft, while guide vane stages being pressed in the casing. Spacer bushes are arranged between the impeller stages. The aforesaid guide vanes and impellers are made from ceramic material. ^ EFFECT: longer life of the pump. ^ 10 cl, 7 dwg