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Development and Analysis of a SCR Dosing Unit

Development and Analysis of a SCR Dosing Unit Exhaust Gas Aftertreatment D E V E L O P M EN T E x h auST G a S a f TE RTRE a TME nT Development and Analysis © ITAZ & Liebherr Machines Bulle SA of a SCR Dosing Unit The air-assisted SCR dosing unit with increased dosing amount of urea is an appropriate technology for combustion engines with higher displacements in order to comply with increased legislative emission requirements. Liebherr Machines Bulle has developed, tested and analyzed an air-assisted SCR dosing system with discontinuously operating urea injection. The functionality of this concept and the constantly good urea atomiza- tion within the entire operating range have been proven. 34 Exhaust Gas Aftertreatment INTRO DUC TIO N piston diameter of 20 mm and a a u T h OR S stroke of 1 mm, poppet valves oper- Diesel engines from Liebherr protect ate as inlet and outlet valves and the the environment and resources with low pump has a freeze protection, which is fuel consumption and reduced emissions. able to compensate the extension of the Liebherr offers exhaust gas aftertreatment frozen fluid. The dimensioning of the systems together with the company’s main parameters like mass flow rate, own injection system and http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png ATZoffhighway worldwide Springer Journals

Development and Analysis of a SCR Dosing Unit

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Publisher
Springer Journals
Copyright
Copyright © 2019 by Springer Fachmedien Wiesbaden GmbH, part of Springer Nature
Subject
Engineering; Automotive Engineering
eISSN
2524-8774
DOI
10.1007/s41321-019-0051-5
Publisher site
See Article on Publisher Site

Abstract

Exhaust Gas Aftertreatment D E V E L O P M EN T E x h auST G a S a f TE RTRE a TME nT Development and Analysis © ITAZ & Liebherr Machines Bulle SA of a SCR Dosing Unit The air-assisted SCR dosing unit with increased dosing amount of urea is an appropriate technology for combustion engines with higher displacements in order to comply with increased legislative emission requirements. Liebherr Machines Bulle has developed, tested and analyzed an air-assisted SCR dosing system with discontinuously operating urea injection. The functionality of this concept and the constantly good urea atomiza- tion within the entire operating range have been proven. 34 Exhaust Gas Aftertreatment INTRO DUC TIO N piston diameter of 20 mm and a a u T h OR S stroke of 1 mm, poppet valves oper- Diesel engines from Liebherr protect ate as inlet and outlet valves and the the environment and resources with low pump has a freeze protection, which is fuel consumption and reduced emissions. able to compensate the extension of the Liebherr offers exhaust gas aftertreatment frozen fluid. The dimensioning of the systems together with the company’s main parameters like mass flow rate, own injection system and

Journal

ATZoffhighway worldwideSpringer Journals

Published: Nov 1, 2019

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