中・大型ディーゼルエンジン用電子-油圧制御インゼクタの研究 : 熱工学, 内燃機関, 動力など

概要

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Recently, the electronic-hydraulic control fuel injection system for diesel engines has potential as a means of reducing NO_x and PM simultaneously, and is already being used in small engines in Japan. However, it can not yet be used practically in the case of large engines because fuel consumption, electronic-hydraulic control power, and manufacturing costs must be reduced, and also improvements in reliability are required. Needless to say, the point of the system is an injector. We applied Pascal's principle to this study and made a new intensifier style injector which controls fuel injection in one solenoid. We examined those reduction measures by calculations and experiments with the new injector. Ultimately, it was proved that the further improvement of a two position, three port connection valve was a conclusive factor of the system.
2001-01-25