| 摘要 |
<P>PROBLEM TO BE SOLVED: To increase frequency of leakage detection of gaseous fuel without affecting vehicle running property. <P>SOLUTION: This fuel leakage detection device in a hybrid type power train having a gaseous fuel engine 1 and an electric motor for vehicle running is constituted by arranging shut-off valves 46, 47 in fuel supply passages 41 to 43 for connecting a gaseous fuel tank 29 with fuel supply means 26, 27 on an engine side and is provided with pressure detection means 48, 49 for detecting pressure among the fuel supply means 26, 27 and the shut-off valves 46, 47 and a fuel leakage detection means 52 for detecting leakage of gaseous fuel based on pressure detected by the pressure detection means 48, 49 by closing the shut-off valves 46, 47 during running by the motor. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
