| 摘要 |
PURPOSE: A fuel jet nozzle for a diesel engine is provided to have a best jetting condition by installing a solenoid valve to prevent a supply of a fuel and by operating it at an end time of a jetting, and to prevent a generation of an after-drop. CONSTITUTION: The fuel jet nozzle for a diesel engine comprises:a returning flow passage connected with one edge through a flow passage inside a fuel supply pipe and connecting the other edge with a fuel tank, to be able to prevent a jetting of a jet nozzle(10) by canceling a jet pressure during a process of jetting a fuel; a solenoid valve(50) included to open and close the entrance unit of the returning flow passage(35) by receiving an electric signal of an ECU.
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