| 摘要 |
PROBLEM TO BE SOLVED: To provide the operating method of the different running areas of a dual fuel type gas engine. SOLUTION: An engine is made into a dual fuel type by attaching a liquid fuel feeding device 24 and a gas fuel feeding device 15, a gas fuel control device 22 is provided to the gas fuel feeding device 15, a liquid fuel control device 23 is provided to the liquid fuel feeding device 24, and an external signal receiver device 21 used commonly to both control devices 22 and 23 is also provided. And the present position is decided depending on an external signal from an artificial satellite and the like, the both control devices 22 and 23 operate the engine by converting controlling in the operation mainly of a gas, and the operation of a light oil excusively, the running mainly of a gas is carried out in a specific area of a town part and the like in order to make in a low exhaust gas level, while the long distance running is realized by a liquid fuel running in the suburbs. |
