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MTZ worldwide
Published in: MTZ worldwide 2/2011

01-02-2011 | Cover Story

Extreme downsizing by the two-cylinder gasoline engine from Fiat

Authors: Giovanni Mastrangelo, Damiano Micelli, Dario Sacco

Published in: MTZ worldwide | Issue 2/2011

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Excerpt

The new 0.9 l gasoline turbocharged two-cylinder engine represents a milestone in engine development at Fiat Powertrain Technologies. The so called Twinair engine is an excellent example of extreme downsizing: not only the overall displacement but also total number of cylinders are limited. Thanks to the turbocharging and the adoption of the Multiair technology excellent performances are reached, equalling those of 50?% larger displacement NA engines, while improving fuel economy by at least 25?%. Emission levels meet the current Euro 5 standards while the overall system is package-protected to reach the future Euro 6 standards. Thanks to the overall optimisations it was possible to set new standards for small engine NVH. …
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Literature
[1]
Bernard, L.; Ferrero, P.E.: CO2 solutions for Small Powertrains. 20th AVL Congress “Engine & Environment”, Graz (Austria) 2008
[2]
Bernard, L.; Ferrari, A.; Micelli, D.; Perotto, A.; Rinolfi, R.; Vattaneo, F.: Electro-hydraulic Valve Control with Multiair Technology. In: MTZ (70) 2009 No 12
[3]
Borean, F.; Gustinetti, F.; Lucatello, M.; Venezia, C.: Model-based approach for Control and Calibration on Multiair Engine. 9th International Symposium on Internal Combustion Diagnostics, Baden Baden (Germany) 2010
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Andriesse, D.; Imarisio, R.; Rinolfi, R.; Vattaneo, F.: Variable Valve Timing Engines for High Performance SI Engines. ATA Congress “High Performance Engines and Cars, Como (Italy) 1998
[5]
Weinowski, R.; Sehr, A.; Wedowski, S.; Heuer, S.; Hamm, T.; Tiemann, C.: Future Downsizing of S.I. engines — potentials and limits of 2- and 3-cylinder concepts. 30th International Vienna Motorsymposium, Vienna (Austria) 2009
[6]
Andriesse, D.; Doria, V.: Pressure Indicating Analysis on a Spark Ignition Engine with Load Control by means of Early Intake Valve Closure. 3rd AVL International Indicating Symposium, Mainz (Germany) 1998
Metadata
Title
Extreme downsizing by the two-cylinder gasoline engine from Fiat
Authors
Giovanni Mastrangelo
Damiano Micelli
Dario Sacco
Publication date
01-02-2011
Publisher
Springer Fachmedien Wiesbaden
Published in
MTZ worldwide / Issue 2/2011
Electronic ISSN: 2192-9114
DOI
https://doi.org/10.1007/s38313-011-1032-y

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