| 摘要 |
PROBLEM TO BE SOLVED: To provide an injection valve capable of injecting pilot oil, in a dual fuel engine.SOLUTION: A fuel valve 50 has a long fuel valve housing 52 having a rear end portion and a front end portion, and a nozzle 54 having a long nozzle body. The long nozzle body has a hollow internal portion forming a chamber 55 connected to a nozzle hole 56. The nozzle is disposed on the front end portion of the fuel valve housing, and a fuel introduction port 53 in the long fuel valve housing includes an ignition liquid introduction port connected to an ignition liquid source connected to a high pressure gas fuel source, means (61, 53, 58) establishing fluid connection measuring a timing between the gas fuel introduction port and an ignition space, and means (61, 69, 76, 85) constituted to feed an ignition liquid or a finite capacity to the chamber at right timing so that the gas fuel is ignited inside of the chamber.SELECTED DRAWING: Figure 6 |
