| 摘要 |
PROBLEM TO BE SOLVED: To provide a gas engine device superior in ignitability, having high heat efficiency, and capable of reducing discharge of nitrogen oxides. SOLUTION: A gas engine 1 has a mixer for supplying premixed air of gas fuel and an oxidizing agent in a cylinder, and an injection nozzle 24 for igniting the premixed air in the cylinder by injecting liquid or gas fuel as pilot fuel toward at least one of the cylinder inside, the auxiliary chamber inside or a piston upper surface recessed part. The gas engine has a heat accumulating high temperature air manufacturing device 4 for forming air taken in from an external part as the oxidizing agent into high temperature air by heat exchange with exhaust gas from an engine, and a supercharger 2 for pressurizing the premixed air; and is constituted so as to supply the premixed air in the cylinder via the supercharger by generating the premixed air together with the gas fuel by the mixer by supplying the high temperature air from the heat accumulating high temperature air manufacturing device and a part of exhaust gas from the engine to the mixer. COPYRIGHT: (C)2006,JPO&NCIPI
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