| 摘要 |
<p>PROBLEM TO BE SOLVED: To improve the fuel consumption and the exhaust emission control improving effect, by expanding the stratified charge combustion operation area of an internal combustion engine. SOLUTION: The current is carried to a heater for fuel heating at the current carrying amount depending on an operating state, in the operating condition in which the fuel is difficult to be vaporized depending on the fuel temperature, the water temperature, and the carbon fouling condition of an ignition plug (S1 to S4). During the time to the warming-up where the water temperature Tw reaches a setting temperature Two or more, and when it is decided to be carbon fouling, the current carrying to the heater is continued to maintain the fuel temperature near its setting temperature Tso (S5 to S12).</p> |
