Self-igniting internal combustion engine for use in motor vehicle, has charge air cooler arranged between exhaust-gas turbocharger and engine for reducing temperature of charge air that is supplied to engine

• Main Author: TOPHOVEN, JENS
• Format: Patent
• Language: English; German
• Published: 15.04.2010
• Subjects: BLASTING; CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION; COMBUSTION ENGINES; COMBUSTION ENGINES IN GENERAL; CONTROLLING COMBUSTION ENGINES; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; HEATING; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS; INTERNAL-COMBUSTION PISTON ENGINES; LIGHTING; MECHANICAL ENGINEERING; SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE; WEAPONS

The engine (1) has an exhaust-gas turbocharger (2) and a charge air cooler (3) arranged between the exhaust-gas turbocharger and the engine for reducing temperature of charge air that is supplied to the engine. A bypass channel (9) is bypassed to the charge air cooler, and a valve device (10) influences the charge air flow into the bypass channel. A control and/or regulating device (11) is arranged to control/regulate the charge air flow that flows through the bypass channel, where the engine is worked according to controlled auto ignition process. Die Erfindung betrifft einen selbstzündenden, insbesondere einen nach dem CAI-Verfahren (Controlled Auto Ignition) arbeitenden Verbrennungsmotor (1), insbesondere in einem Kraftfahrzeug, mit einem Abgasturbolader (2) und einem Ladeluftkühler (3) zur Temperaturreduzierung einer dem Verbrennungsmotor (1) zugeführten Ladeluft, wobei ein den Ladeluftkühler (3) umgehender Bypasskanal (9) vorgesehen ist. Hierdurch lassen sich insbesondere Abgasrückhalteraten und ein Abwärmestrom reduzieren und dadurch der Wirkungsgrad erhöhen.