| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a startup control device for an in-cylinder direct-injection internal combustion engine which can improve the startability of the internal combustion engine even when the amount of fuel leakage increases or a fuel pump deteriorates. <P>SOLUTION: An accumulator fuel injection system 10 includes: a starter motor 31 which rotates a crankshaft in the startup of a diesel engine 20; a fuel pump 32 that is driven by the torque of the crankshaft; a common rail 21 that accumulates a high-pressure fuel pumped by the fuel pump 32; and an injector 22 that injects the high-pressure fuel supplied from the common rail 21 into a cylinder. An ECU 50 determines whether the startability of the engine 20 is deteriorated. If the ECU determines that the startability of the engine 20 is deteriorated, the ECU decreases the amount of fuel supplied from the common rail 21 to the injector 22 during one revolution of the crankshaft in the startup of the engine 20. <P>COPYRIGHT: (C)2012,JPO&INPIT |
