Bosch fuel injection and engine management pdf

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bosch fuel injection and engine management pdf

Bosch Diesel Engine coloradoprimetax.com | Diesel Engine | Internal Combustion Engine

Gasoline direct injection GDI also known as petrol direct injection, direct petrol injection, spark-ignited direct injection SIDI and fuel-stratified injection FSI , is a form of fuel injection employed in modern two-stroke and four-stroke gasoline engines. The gasoline is highly pressurized, and injected via a common rail fuel line directly into the combustion chamber of each cylinder , as opposed to conventional multipoint fuel injection that injects fuel into the intake tract or cylinder port. Directly injecting fuel into the combustion chamber requires high-pressure injection, whereas low pressure is used injecting into the intake tract or cylinder port. In some applications, gasoline direct injection enables a stratified fuel charge ultra lean burn combustion for improved fuel efficiency , and reduced emission levels at low load. GDI has seen rapid adoption by the automotive industry over the past years, from 2. The major advantages of a GDI engine are increased fuel efficiency and high power output.
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How a Common Rail Diesel Injector Works and Common Failure Points - Engineered Diesel

Common rail

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Ye e l - m Diesel-Engine Management. The up-to-date program is available on the Internet at: www. Published by: Reproduction, duplication and translation of this Robert Bosch GmbH, publication, including excerpts therefrom, is only Postfach , to ensue with our prior written consent and with D Plochingen. They cannot be used as the basis for the design, installation, or speci- Editor-in-chief: fication of products. We accept no liability for Horst Bauer, Dipl.

Bosch launched the first common rail system in The system is named after the shared high-pressure reservoir common rail that supplies all the cylinders with fuel.
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Common rail injection: advanced technology for diesel engines

Common-rail direct fuel injection is a direct fuel injection system for diesel engines. High pressure injection delivers power and fuel consumption benefits over earlier lower pressure fuel injection, by injecting fuel as a larger number of smaller droplets, giving a much higher ratio of surface area to volume. This provides improved vaporization from the surface of the fuel droplets, and so more efficient combining of atmospheric oxygen with vaporized fuel delivering more complete combustion. In petrol engines, it is used in gasoline direct injection engine technology. The common-rail system prototype was developed in the late s by Robert Huber of Switzerland , and the technology was further developed by Dr. The first successful use in a production vehicle began in Japan by the mids. Shohei Itoh and Masahiko Miyaki of the Denso Corporation , a Japanese automotive-parts manufacturer, developed the common-rail fuel system for heavy-duty vehicles and turned it into practical use on their ECD-U2 common-rail system mounted on the Hino Ranger truck and sold for general use in

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