Oil pump with two pump stages for motor vehicle has second or additional pump stages connectable to first pump stage if oil demand arises which exceeds oil demand for normal operation

The oil pump with two pump stages for a motor vehicle has the first pump stage designed so that a base requirement corresponding to a normal operation is covered. The second or additional pump stages are connectable to the first pump stage if an oil demand arises which exceeds the oil demand for nor...

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Bibliographische Detailangaben
Hauptverfasser:	SCHOENEBERG, DIRK, JEDRO, JAN, LUKAS, FRANZ
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	BLASTING CRANKCASE VENTILATING ENGINE PLANTS IN GENERAL HEATING LIGHTING LUBRICATING INTERNAL COMBUSTION ENGINES LUBRICATING OF MACHINES OR ENGINES IN GENERAL MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS STEAM ENGINES WEAPONS
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Beschreibung
Zusammenfassung:	The oil pump with two pump stages for a motor vehicle has the first pump stage designed so that a base requirement corresponding to a normal operation is covered. The second or additional pump stages are connectable to the first pump stage if an oil demand arises which exceeds the oil demand for normal operation. The first pump stage is mechanically and/or hydraulically completely separated from the second or all additional stages. An independent claim is included for a method for the operating of an oil pump with two stages in which a second stage is connectable to a first stage for increased oil demand. Die Erfindung betrifft eine Ölpumpe mit wenigstens zwei Pumpenstufen (11, 12) für ein Kraftfahrzeug. Es ist vorgesehen, dass die erste Pumpenstufe (11) so ausgelegt ist, dass ein einem Normalbetrieb entsprechender Grundbedarf abdeckbar ist.