宝马新型双涡轮增压直喷式直列六缸汽油机(下)

BMW New Double-Turbocharged Direct Injection In-line 6-Cylinder Gasoline Engine(Ⅱ)

宝马新型双涡轮增压直喷式汽油机采用了带压电式喷油器的喷射压力为200bar的共轨系统和能适应废气温度1080℃涡轮增压器,采用二个前置催化转化器(近发动机)和地板下催化转化器,使排放达欧Ⅳ标准和美国超低排放水平,油耗达到9.5L/100km,升功率达74kW/L。

New BMW gasoline engine with dual turbocharger and direct injection uses common trail system with piezoelectric injector, whose injection pressure is 200bar, as well as turbocharger, which can stand EGT as high as 1080℃. Due to its two front-mounted catalytic converters and one underfloor catalytic converter, new BMW gasoline engine can meet Europe IV and U.S.Ultra-Low Emission Standard with 9.5L/100km fuel comsumption and 74kW/L power per liter.