| 摘要 |
<p>Provided is an engine for a working machine, wherein it is possible to use fuels having different concentrations of ethanol. A vaporizer (100) is used to adjust the mixing ratio of air and fuel within an air mixture, which is supplied to a combustion chamber (8), depending on the proportion of ethanol contained in the fuel being used. Thus, the fuel within the air mixture can be adjusted to be at an appropriate amount in response to the proportion of ethanol contained in the fuel, the engine can be reliably started even if fuels having different ethanol content were to be used, and it is possible to obtain the required output.</p> |
