| 摘要 |
<p>PROBLEM TO BE SOLVED: To efficiently raise a temperature before injecting fuel injected from a fuel injection valve. SOLUTION: This fuel heating control device uses a two-coil type fuel injection valve having a control coil (C coil) for valve opening operation of a needle valve and a hold coil (H coil) for holding the needle valve in a valve opening state. To the control coil, current-carrying is started at valve opening operation time of the needle valve by an injection demand, and the current-carrying is stopped after transferring to the valve opening state. The hold coil is used not only for holding the valve opening state by carrying an electric current when there is the injection demand, and but also used for heating the fuel by heating of the coil by resuming the current-carrying after transferring to a valve closing state after stopping the current-carrying at valve closing operation time of the needle valve.</p> |
