本文介绍了汽油机紧凑型快速燃烧室的机理、结构和试验结果。试验表明,采用这种燃烧室,燃用70号汽油,压缩比可提高至10～13.5,此时,外特性上的燃料消耗率与原机燃烧室相比,降低18～30％,最大功率增长10％;最高平均火焰传播速度的相对增长率高达80％以上。文中还着重研究了组织适当的气流运动以燃烧稀混合气的重要性。 This paper introduces the mechanism, structure and test results of a gasoline engine compact fast combustion chamber. Tests show that the use of such a combustion chamber, burning 70 gasoline, the compression ratio can be increased to 10 ~ 13.5, this time, the fuel consumption rate of the external characteristics of the original machine compared with the combustion chamber, reducing 18 to 30%, the maximum power An increase of 10%; the relative average growth rate of the highest average flame propagation rate is as high as 80% or more. The paper also focuses on the importance of organizing appropriate airflow to burn lean air.