發(fā)動機結(jié)構(gòu)及工作原理結(jié)構(gòu)

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ConstructionMachinery工程機械運用技術(shù)專業(yè)國家級教學(xué)資源庫Principles02Structure03Types01Unit1EngineStructure&OperatingPrinciples

發(fā)動機結(jié)構(gòu)及工作原理Part1NewWordsNewWords&Expressions1）part[pɑrt]n.部分，零件2）cylinder['s?l?nd?]n.氣缸3）cylinderhead氣缸蓋4）connectingrod連桿5）camshaft['k?m??ft]n.凸輪軸6）valve[v?lv]n.閥，氣門7）fuelpump燃油泵8）fuelinjector噴油器9）fuelsystem燃油系統(tǒng)NewWords&Expressions10）lubricatingsystem潤滑系統(tǒng)11）coolingsystem冷卻系統(tǒng)12）startingsystem起動系統(tǒng)Part2TextTextStructureTheenginehashundredsofotherparts.Themajorpartsofengineareengineblock,cylinder,cylinderheads,pistons,connectingrods,crankshaft,camshaft,valves,fuelpump&fuelinjectors(Fig.1-5,Fig.1-6).Theotherpartsarejoinedtomakesystems.Thesesystemsofdieselenginearethefuelsystem,lubricatingsystem,coolingsystem&startingsystem.TextFig.1-5Dieselenginetopview12345678910111312141516AirinletBlowbygaspipeCoolantoutletCoolantmakeupportFandriveFuelsuctionportOilfilterFuelfilterInjectionpumpEPAlabelEnginenameplateP.T.OIntakemanifoldExhaustmanifoldExhaustgasoutletTurbochargerFig.1-6V-shapeengineconstructionBearingCylinderBeltBeltpulleyCamshaftValvePistonConnectingrodCrankshaftOilpanTextPart3ReferenceTranslation參考譯文結(jié)構(gòu)發(fā)動機有上百個部件。其主要部件是發(fā)動機氣缸體、氣缸、氣缸蓋、活塞、連桿、曲軸、凸輪軸、氣門、燃油泵和噴油器（如圖1-5、圖1-6所示）。其他的零部件構(gòu)成各種系統(tǒng)。柴油機的這些系統(tǒng)是燃油系統(tǒng)、潤滑系統(tǒng)、冷卻系統(tǒng)和起動系統(tǒng)。參考譯文12345678910111312141516進(jìn)氣口漏氣管冷卻液排出口冷卻液補充口風(fēng)扇傳動燃油進(jìn)油口機油濾清器燃油濾清器噴油泵排氣標(biāo)簽發(fā)動機銘牌動力輸出進(jìn)氣歧管排氣歧管排氣排出口渦輪增壓器圖1-5柴油機外觀俯