- Tytuł:
- Study on fuel injector with Hydraulic Amplifier (HADI) on the example of Mercedes-Benz Actros vehicle with OM 471.9 engine
- Autorzy:
-
Mórawski, Ł
Trawiński, G. - Powiązania:
- https://bibliotekanauki.pl/articles/242432.pdf
- Data publikacji:
- 2018
- Wydawca:
- Instytut Techniczny Wojsk Lotniczych
- Tematy:
-
diesel engine
common rail systems
fuel injectors
injection rate modulation
boot injection
silnik Diesla
system common rail
wtryskiwacze paliwa
modulacja szybkości wtrysku
rozruch silnika - Opis:
- One of the recent trends in heavy-duty engines has been the introduction of common rail injector with hydraulic amplifier (HADI − Hydraulically Amplified Diesel Injector) capable of considerable fuel pressure injection increase in reference to fuel pressure prevailing in rail of common rail fuel system. An example of a solution of this type of injectors is the two-valve CRIN4 injectors manufactured by Bosch. They allow the control of the fuel flow rate during injection process and therefore have an impact on the combustion process. In this article, advantages related to their use are described, which allow the engines with such injectors to meet the limits of the admissible content of toxic compounds in the exhaust gases defined in the EURO VI standard. An experimental study of the operation of the Bosch IV generation common rail system was performed on the Mercedes-Benz Actros. During measurement engine load, engine speed, waveforms (electric currents) controlling operation of the selected injectors, fuel pressure in the rail and the control current of high pressure pump control valve (metering unit) were registered. Interpretations of recorded waveforms were made, indicating the areas of application of the various modes operation. The use of CRIN4 injectors for the rapid reduction of fuel pressure in rail was observed, which supports the metering unit (ZME) for pressure control.
- Źródło:
-
Journal of KONES; 2018, 25, 1; 307-316
1231-4005
2354-0133 - Pojawia się w:
- Journal of KONES
- Dostawca treści:
- Biblioteka Nauki
Artykuł