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近年来,由于对工业用发动机运行平顺性和低燃油耗方面的要求日益提高,因此,要求农业、园林及工程机械等非道路用发动机具有高功率、低燃油耗和低噪声的特点。此外,即使是小型发动机,其电子控制装置的发展趋势也需保持一致。基于这些背景,开发了采用共轨燃油喷射系统的新型非道路用直喷式柴油机,以满足上述要求。评述了在小排量非道路用柴油机上采用共轨燃油喷射系统,以及优化燃烧系统和喷油特性的技术。
In recent years, due to the increasing demands for the smooth operation of industrial engines and low fuel consumption, non-road engines such as agricultural, garden and construction machinery are required to have high power, low fuel consumption and low noise. In addition, the development trend of electronic control devices should be consistent even for small engines. Based on these background, a new non-road direct injection diesel engine using a common rail fuel injection system was developed to meet the above requirements. Comment on the use of a common rail fuel injection system on small displacement non-road diesel engines, as well as techniques for optimizing combustion systems and fuel injection characteristics.