| 摘要 |
PROBLEM TO BE SOLVED: To provide a knocking control device of a gas fuel direct injection engine which can prevent knocking. SOLUTION: A knocking control device of a gas fuel direct injection engine is composed of a direct injector 41 and an ignition plug 13 provided facing a combustion chamber and of a knock sensor 1a taken as a knocking detection means for detecting or estimating the occurrence of knocking, and equipped with a high injection pressure setting means containing a high-pressure gas fuel line 34 and a cutoff valve 3Y so as to set the gas fuel injection pressure from the direct injector 41 higher than normal injection pressure when the occurrence of knocking is detected or estimated by the knock sensor 1a. COPYRIGHT: (C)2006,JPO&NCIPI |
