柴油機外文翻譯

1、diesel engine electronic control technology developmentElectronically controlled diesel engine technology started in the 20th century, 70s, 80s since the 20th century, the United Kingdom Lucas company, Robert Bosch Gmb

2、H of Germany, Mercedes-Benz Motor Company, American General Detroit Diesel Corporation, Cummins Inc., Caterpillar Inc., Japan 50 Ling Motor Co. and Komatsu Ltd. are competing to develop new products and market to meet

3、 the increasingly stringent emissions regulations. Because diesel engines have high torque, high-life, low fuel consumption and low emissions characteristics of diesel engine vehicles and solving the energy problem of

4、 construction machinery the most realistic and most reliable means. Therefore the use of diesel engines has become an increasingly widespread, more and more quantity. At the same time, the power of diesel engine perfo

5、rmance, economic performance, emission control and noise pollution are also getting higher and higher. To rely on traditional mechanical control fuel injection system has been unable to meet the above requirements, bu

6、t also difficult to achieve fuel injection quantity, injection pressure and injection timing fully functioning in accordance with the best working condition requirements. In recent years, with computer technology, sen

7、sor technology and information technology is developing rapidly, so that the reliability of electronic products, cost, size, etc. to all diesel engines to meet the requirements for electronic control and electronicall

8、y controlled fuel injection easy to achieve. In fact, diesel exhaust CO and HC than gasoline engines much less, NOX emissions and gasoline engine similar to, but more exhaust particles, which is related to diesel engi

9、ne combustion mechanism. Diesel is a non-homogeneous combustion, combustible mixture formed a very short time, and combustible gas mixture formation and combustion process interlaced together. Diesel Fuel Injection th

10、rough the analysis of the law to be: the atomization of fuel injected into the quality of the gas flow inside the cylinder and combustion chamber shape, etc. directly affect the progress of the combustion process, as

11、well as the generation of harmful emissions. Improve atomization of diesel fuel injection pressure and the effect of the use of pre-injection, such as sub-jet can effectively improve the emissions. After years of rese

12、arch and new technology applications, second generation of the development of the electronic control fuel injection system. In use\“position control\“ of the first generation of electronic control fuel injection syste

13、m, keep the basic composition and structure of traditional fuel injection system, only the original mechanical fuel pump injection technology. Now, the diesel engine electronic control technology developed at the appli