| 摘要 |
<p>To provide an injector nozzle that enables the increase in the maximum injection rate of fuel. An injector nozzle 1 has a sac portion 21 for storing a fuel which is formed in a distal end portion of a nozzle body 2 and in which injection holes 11 for injecting the stored fuel are formed; and, a seat portion 22 which is formed at a proximal end side of the sac portion 21 and in which a needle valve 3 for closing the sac portion 21 can be seated. The needle 3 valve has a distal end portion which is tapered towards the distal side and which is formed by cutting off a portion located on the distal side beyond an abutment position where the seat portion can be contacted.</p> |
