| 摘要 |
PURPOSE: An injection nozzle for a diesel engine is provided to prevent the lowering of the performance such as output, torque, or air fuel ratio by increasing the open valve pressure without any additional equipment when the open valve pressure of the nozzle is lowered. CONSTITUTION: An injection nozzle installed at a cylinder head of a diesel engine and infecting fuel of high pressure comprises a nozzle holder(30) installed at a side of the cylinder head and forming a passage for fuel, a cap nut(40) installed at the upper part of the nozzle holder and forming a screw part at the inside thereof, an adjusting screw(50) connected to the cap nut with a screw and adjusting the initial injection pressure by being rotated by the manipulation of the cap nut, an eyebolt(60) protruded out of the cap nut and the adjusting screw and fitted into the adjusting screw by being screwed.
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