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武漢工業(yè)學(xué)院畢業(yè)設(shè)計(jì)說(shuō)明書(shū)
摘要
隨著柴油機(jī)性能和結(jié)構(gòu)等各方面的改進(jìn)，噴油器已經(jīng)被很多人所重視，在技術(shù)方面也取得了顯著的進(jìn)步。但是它仍然是柴油機(jī)的一個(gè)比較薄弱的環(huán)節(jié)，容易損壞，并且使用量很大。
本文參考了有關(guān)柴油機(jī)和燃油供給系統(tǒng)的許多文獻(xiàn)以及噴油器生產(chǎn)廠家多年來(lái)在實(shí)際生產(chǎn)中積累的實(shí)踐經(jīng)驗(yàn)，我從噴油器的自身到燃油供給系統(tǒng)進(jìn)行了相關(guān)分析，對(duì)噴油器的結(jié)構(gòu)、工作原理和應(yīng)用進(jìn)行了詳細(xì)說(shuō)明。利用以上理論對(duì)對(duì)現(xiàn)行使用的噴油器進(jìn)行可行性的結(jié)構(gòu)改造，最終使所設(shè)計(jì)的P型噴油器排放達(dá)到歐洲排放標(biāo)準(zhǔn)。
關(guān)鍵詞：柴油機(jī)、噴油器、針閥、針閥體。
Abstract：
Along with the diesel engine performance and the structure transformation, the nozzle is already taken by us, and also made the remarkable progress in the technical space. But it still was the diesel engine weak, easy to damage, and the amount of use is very big.
This article has referred to the related the diesel engine, and many literatures of the fuel oil supplies system, and the nozzle manufacturer for many years the experience which has accumulated in the actual production. I have carried on the correlation analysis from the nozzle to the fuel oil supplies system. To the nozzle structure, the principle of work and the application have carried on the define. The discourse primary content is carries on the feasible to the present nozzle transformate, make the P nozzle which designs the let achieved Europe II.
Key words: Diesel engine, nozzle, needle, nozzle body