| 摘要 |
PURPOSE: To secure a lean-burn gas engine that is simple in structure, high in reliability and little in the occurrence of nitrogen dioxide (NOx). CONSTITUTION: In this gas engine to be driven by use of a gas as fuel, it is provided with a fuel injection valve 18 which spouts a small quantity of liquid fuel, to be compressively ignited to a lean mixture between gas and air, into a combustion chamber 2 which is made up into such a form that it generates a turbulence around the circumferential part without entailing any disorder to a spray of fuel spouted into the central part and further propagated.
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