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Published in: MTZ worldwide 9/2018

01-09-2018 | Development

Diesel injection system with closed-loop control

Authors: Dr.-Ing. Thomas Wintrich, Dipl.-Ing. Stefan Rothe, Dipl.-Ing. Kilian Bucher, Dipl.-Ing. Hans-JÜrgen Hitz

Published in: MTZ worldwide | Issue 9/2018

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Excerpt

Bosch has developed a new injection system for diesel engines. The so-called Needle Closing Control system is based on the common rail technology with solenoid valve injectors and enables a closed-loop control of the injection duration. Using a piezo sensor in the injector and a new software architecture, the system measures and controls the exact duration of the individual fuel injection events with a resolution of a few millionths of a second. As a result, fuel dosing and processing, important for the engine, remain stable over the entire lifetime of the vehicle under real-driving conditions. In this way, the system makes an important contribution to the future competitiveness of diesel engines in passenger cars. …

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Literature
[1]
go back to reference Kufferath, A.; KrÜger, M.; Naber, D.; MailÄnder, E.; Maier, R.: The path to a Negligible NOx-Immission Contribution from the Diesel Powertrain. 39th International Vienna Motor Symposium, 2018 Kufferath, A.; KrÜger, M.; Naber, D.; MailÄnder, E.; Maier, R.: The path to a Negligible NOx-Immission Contribution from the Diesel Powertrain. 39th International Vienna Motor Symposium, 2018
[2]
go back to reference Wintrich, T.; Rothe, S.; Bucher, K.: RDE Step 2 and beyond — Bosch Diesel FIE System contribution. SIA Powertrain Congress, 2018 Wintrich, T.; Rothe, S.; Bucher, K.: RDE Step 2 and beyond — Bosch Diesel FIE System contribution. SIA Powertrain Congress, 2018
[3]
go back to reference Naber, D.; Bareiss, S.; Kufferath, A.; KrÜger, M.; Schumacher, H.: Measures to fulfill “Real Driving Emission (RDE)” with Diesel passenger cars. 18th Stuttgart Symposium, 2018 Naber, D.; Bareiss, S.; Kufferath, A.; KrÜger, M.; Schumacher, H.: Measures to fulfill “Real Driving Emission (RDE)” with Diesel passenger cars. 18th Stuttgart Symposium, 2018
Metadata
Title
Diesel injection system with closed-loop control
Authors
Dr.-Ing. Thomas Wintrich
Dipl.-Ing. Stefan Rothe
Dipl.-Ing. Kilian Bucher
Dipl.-Ing. Hans-JÜrgen Hitz
Publication date
01-09-2018
Publisher
Springer Fachmedien Wiesbaden
Published in
MTZ worldwide / Issue 9/2018
Electronic ISSN: 2192-9114
DOI
https://doi.org/10.1007/s38313-018-0062-0

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