www.themegallery.comwww.themegallery.comCompanyLogoCompanyLogo汽车构造及工作原理www.themegallery.comwww.themegallery.comCompanyLogoCompanyLogo底盘电气设备汽车构造及工作原理发动机车身11223344汽车燃料www.themegallery.comwww.themegallery.comCompanyLogoCompanyLogo1.汽车发动机www.themegallery.comwww.themegallery.comCompanyLogoCompanyLogo汽车发动机发动机是汽车的心脏,为汽车的行走提供动力。简单讲,发动机就是一个能量转换机构,即将燃料放在密封汽缸内燃烧,气体膨胀推动活塞作功,使热能转变为机械能,这是发动机最基本原理。虽然发动机伴随着汽车走过了100多年的历史,天才的发动机设计者们,不断地将最新科技与发动机融为一体,把发动机变成一个复杂的机电一体化产品,使发动机性能达到近乎完美的程度,但发动机的工作原理仍然未变。发动机是汽车的心脏,为汽车的行走提供动力。简单讲,发动机就是一个能量转换机构,即将燃料放在密封汽缸内燃烧,气体膨胀推动活塞作功,使热能转变为机械能,这是发动机最基本原理。虽然发动机伴随着汽车走过了100多年的历史,天才的发动机设计者们,不断地将最新科技与发动机融为一体,把发动机变成一个复杂的机电一体化产品,使发动机性能达到近乎完美的程度,但发动机的工作原理仍然未变。CompanyLogoCompanyLogo55发动机的定义及分类热机内燃机外燃机活塞式叶片式蒸汽机汽轮机热气机燃气轮机斯特灵发动机定义:把某种能源转化成机械能的装置分类:返回www.themegallery.comwww.themegallery.comCompanyLogoCompanyLogo1.1发动机的分类按冷却方式水冷发动机风冷发动机按汽缸数按使用燃料按冲程数四冲程发动机二冲程发动机汽油发动机柴油发动机单缸发动机多缸发动机化油器式发动机直接喷射式发动机按着火方式压燃式发动机点燃式发动机www.themegallery.comwww.themegallery.comCompanyLogoCompanyLogoTypeofcoolingWater-coolingengineair-coolingenginewww.themegallery.comwww.themegallery.comCompanyLogoCompanyLogotwo-strokeengineFour-strokeengineFour-strokeengineTwo-strokeengineNumberofcycleswww.themegallery.comwww.themegallery.comCompanyLogoCompanyLogowww.themegallery.comwww.themegallery.comCompanyLogoCompanyLogoSingle-cylinderengineMulti-cylinderengineNumberofcylinderswww.themegallery.comwww.themegallery.comCompanyLogoCompanyLogoin-lineorstrightenginesArrangementofcylindersV-enginesOpposedcylinderenginewww.themegallery.comwww.themegallery.comCompanyLogoCompanyLogo气缸排列方式分类www.themegallery.comwww.themegallery.comCompanyLogoCompanyLogo气缸排列方式分类(H)www.themegallery.comwww.themegallery.comCompanyLogoCompanyLogo往复活塞式转子式reciprocatingenginerotaryenginetheinternalmotionwww.themegallery.comwww.themegallery.comCompanyLogoCompanyLogo燃料种类分类www.themegallery.comwww.themegallery.comCompanyLogoCompanyLogo燃料种类分类二甲醚(CH3-O-CH3)CNG(compressednaturalgas)(CH4)LPG(liquidpetrolgas)(丙、丁烷)煤气(CO)木炭、煤粉(C)返回www.themegallery.comwww.themegallery.comCompanyLogoCompanyLogo是否采用增压分类www.themegallery.comwww.themegallery.comCompanyLogoCompanyLogo1.2发动机常用术语www.themegallery.comwww.themegallery.comCompanyLogoCompanyLogo上止点:(TDC)topdeadcenterwww.themegallery.comwww.themegallery.comCompanyLogoCompanyLogo下止点:(BDC)bottomdeadcenterwww.themegallery.comwww.themegallery.comCompanyLogoCompanyLogo活塞行程:pistonstrokewww.themegallery.comwww.themegallery.comCompanyLogoCompanyLogo曲柄半径:crankthrowwww.themegallery.comwww.themegallery.comCompanyLogoCompanyLogo气缸工作容积:cylinderdisplacement发动机工作容积/排量:enginestrokevolumewww.themegallery.comwww.themegallery.comCompanyLogoCompanyLogo燃烧室容积:comb...