CIRCUIT ARRANGEMENT FOR COOLING CHARGE AIR AND METHOD FOR OPERATING A CIRCUIT ARRANGEMENT OF THIS TYPE

The invention relates to a circuit arrangement (K) comprising a low-temperature circuit (NK) for cooling charge air ( 13 ) that is fed to a motor ( 8 ) in a motor vehicle equipped with a turbocharger. According to the invention, the charge air ( 13 ) is compressed in two stages in a first low-pressu...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SRNIK, ANNEGRET, ROGG, STEFAN
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL COOLING OF INTERNAL-COMBUSTION ENGINES COOLING OF MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INTERNAL-COMBUSTION PISTON ENGINES LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING STEAM ENGINES WEAPONS
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Beschreibung
Zusammenfassung:	The invention relates to a circuit arrangement (K) comprising a low-temperature circuit (NK) for cooling charge air ( 13 ) that is fed to a motor ( 8 ) in a motor vehicle equipped with a turbocharger. According to the invention, the charge air ( 13 ) is compressed in two stages in a first low-pressure turbocharger ( 1 ) and a second high-pressure turbocharger ( 2 ). To cool the charge air ( 13 ) a first cooler ( 3 ) is provided downstream of the low-pressure turbocharger ( 1 ) and upstream of the high-pressure turbocharger ( 2 ) and a second cooler ( 4 ) is provided downstream of the high-pressure turbocharger ( 2 ) and upstream of the motor ( 8 ). The invention also relates to a method for operating a circuit arrangement (K) of this type.