| 摘要 |
PURPOSE: An injector for diesel engine is provided to reduce fuel consumption and to accomplish high power by making injecting flow rate and injecting position adjusted. CONSTITUTION: An injector for diesel comprises a housing(31), a needle(32) installed in the housing, a driving shaft(33) installed to able to rotate in the needle, a nozzle(36) with plural first nozzle valve(35a) and second nozzle valve(35b) upward and downward to change fuel injecting position according to operation of the driving shaft so as to correspond to plural orifices above and below forming to the lower end of the housing or first fuel injecting holes(34a) and second injecting holes(34b), and a driving unit, installed to the upper portion of the driving shaft, operating the driving shaft. The driving unit includes a rotary gear(41) installed to the upper end of the driving shaft, a tooth engaged driving gear(42) with the rotary, and a driving motor(43) giving power to rotate the rotary gear with the driving gear.
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