INJECTOR FOR DIESEL ENGINE

• Main Author: SHIN, BEOM SIK
• Format: Patent
• Language: English; Korean
• Published: 20.03.2002
• Edition: 7
• Subjects: BLASTING; COMBUSTION ENGINES; CONTROLLING COMBUSTION ENGINES; HEATING; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS; LIGHTING; MECHANICAL ENGINEERING; SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF; WEAPONS

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. 디젤 엔진용 인젝터(injector)가 개시된다. 개시된 디젤 엔진용 인젝터는, 엔진의 연소실 상부에 설치되는 하우징과; 상기 하우징 내에 설치된 니들과; 상기 니들 내에 회전 가능하게 구동축이 설치되고, 상기 구동축의 하단부에 상기 하우징의 하단부에 상, 하로 복수개가 형성된 연료분사공에 대응되게 상, 하로 복수개가 설치되어 상기 구동축의 작동에 따라 연료 분사 위치가 변경되도록 노즐밸브가 구비된 노즐과; 상기 구동축의 상부에 설치되어 상기 구동축을 작동시키는 구동부;를 포함하는 것을 그 특징으로 한다.