CARRYING UNIT FOR FUEL

PROBLEM TO BE SOLVED: To improve a carrying unit which is configured as a bypass pump having an impeller arranged in a pump chamber and an electric motor for driving the impeller, and has a feed pump in which the rotor of the electric motor is integrated with the impeller of the bypass pump. SOLUTIO...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	GERHARD ALBERT, ROLLWAGE MATHIAS, EILER ERICH, ROSE JOCHEN
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING COMBUSTION ENGINES CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DYNAMO-ELECTRIC MACHINES ELECTRICITY GENERATION HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT PUMPS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To improve a carrying unit which is configured as a bypass pump having an impeller arranged in a pump chamber and an electric motor for driving the impeller, and has a feed pump in which the rotor of the electric motor is integrated with the impeller of the bypass pump. SOLUTION: A feed pump has at least one pump stage. The pump stage includes a blade ring only at one end side of the impeller and a bypass passage arranged in a casing so as to face the blade ring. An inlet and an outlet of the bypass passage are arranged on the same end face side of the impeller. Almost mirror symmetric notches with respect to a vane chamber are configured on the impeller at the end face side opposed to the vane. The notches are communicated with the vane chamber via apertures in the impeller.