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Injection Rate Shaping Technology With Common Rail Fuel System (Ecd-U2)
Published September 28, 1995 by Institution of Mechanical Engineers in United Kingdom
In the diesel field, innovative technology development has been desired for fuel injection systems from the points of severe emission reduction to meet increasingly stringent emission regulation year by year respecting environmental protection and product improvement for various customer requirements including fuel consumption improvement.
We have been pursuing the ideal fuel injection system which is called "ECD-U2" to meet the above expectations.
"ECD-U2" is the direct injection system of highly pressurized fuel with optimum injection timing by using of the injector controlled by high speed response magnetic valve. This system also has the fuel injection pattern controllability in one injection (injection rate) as one of the greatest assets.
This report focuses on the new injector structure development to achieve desirable injection rate control for diesel engine combustion.