發(fā)動機結構及工作原理結構

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

發(fā)動機結構及工作原理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參考譯文結構發(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進氣口漏氣管冷卻液排出口冷卻液補充口風扇傳動燃油進油口機油濾清器燃油濾清器噴油泵排氣標簽發(fā)動機銘牌動力輸出進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