29. Aachener Kolloquium Fahrzeug- und Motorentechnik 2020

Der neue 2.0 l Turbo Motor für den Opel Insignia – Die 4. Generation der 4-Zylinder-Turbomotoren

Autoren

Dipl.-Ing. Michael Hoeflich, Dipl.-Ing. Otto Böpple, Dipl.-Ing. Lutz-Kilian Cloos, Dipl.-Ing. Michael Brinker, Opel Automobile GmbH, Rüsselsheim, Germany;
Kristian Keary, M.Sc., General Motors, Warren, MI, USA;
Dipl.-Ing. Björn Scharf, Dipl.-Ing. Sven Best, Segula GmbH, Rüsselsheim, Germany

Zusammenfassung

An all-new 2.0 l gasoline engine is available in the new version of the Opel Insignia (Figure 1). Over the past three decades, Opel and General Motors (GM) developed and launched three generations of 2.0 l turbo gasoline engines. The all-new version of the 2.0 l 4-cyl turbo, which continued its development after Opel became part of Groupe PSA, contains many lessons learned from the previous variants. Over the many development cycles, technology content increased in each generation. Being part of the GM CSS engine family [1], new technologies like advanced thermal management [2, 3] with a rotary valve system, an electric water pump, a new 3-step valvetrain enabling cylinder deactivation [4], and a triport exhaust flow into the twin scroll turbocharger were introduced. In addition, well known technologies like high pressure direct injection, variable valve timing, and a high pressure die cast block were optimized to target the lowest possible CO2 footprint in all vehicle applications. 
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