Title:
FUEL INJECTION DEVICE
Document Type and Number:
Japanese Patent JP2018105209
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a fuel injection device capable of injecting fuel with different fuel pressure.SOLUTION: A fuel injection device 1 includes: a first common rail and a second common rail having first fuel and second fuel with different pressures; and an injector 10 for injecting the first fuel and the second fuel supplied from the first common rail and the second common rail to a combustion chamber. The injector 10 includes: a nozzle body 100; a first nozzle hole 110 formed at a tip of the nozzle body 100; a first fuel introduction passage 11 for introducing the first fuel to the first nozzle hole 110; a first needle 12 accommodated in the nozzle body 100 to open/close the first nozzle hole 110; a second nozzle hole 210 formed at a tip of the first needle 12; a second fuel introduction passage 21 for introducing the second fuel to the second nozzle hole 210; and a second needle 22 accommodated in the first needle 12 to open/close the second nozzle hole 210.SELECTED DRAWING: Figure 2
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Inventors:
KIYAMA EIJI
Application Number:
JP2016251591A
Publication Date:
July 05, 2018
Filing Date:
December 26, 2016
Export Citation:
Assignee:
DAIHATSU MOTOR CO LTD
International Classes:
F02M61/10; F02M43/04
Attorney, Agent or Firm:
Hiroshi Yamano