| 摘要 |
PURPOSE:To inject a fuel oil and the water separately, and to stabilize the combustion as well as to improve the ignition property, so as to improve the combustion efficiency. CONSTITUTION:In an injection valve main body 1, a fuel injection chamber 12 opened and closed by a spindle 16 for fuel injection as well as a fuel is fed is formed. In the fuel injection chamber 12, a spindle 17 for water injection in which a water feeding passage 17a is formed is provided slidable, and at the same time, a water injection chamber 13 formed at the front end of the water feeding passage 17a is made to open and close freely by the above sliding, a fuel injection hole 3 communicated to the fuel injection chamber 12 is provided, and a water injection hole 4 communicated to the water injection chamber 13 is also provided. Consequently, the opening direction of the water injection hole 4 is set in the direction to face to the direction of the high temperature region of a combustion flame. |
