一种高压共轨喷油器控制阀设计研究
일충고압공궤분유기공제벌설계연구
Design for Control Valve of High-pressure Common Rail Injector
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    车用发动机 차용발동궤

    2015年 4期 21-27 ,共7页

    奚星%吴小军%孙树平%徐春龙%赵中余%王敏%康彦红%高怡%顾娇娇

    해성%오소군%손수평%서춘룡%조중여%왕민%강언홍%고이%고교교

    共轨喷油器%控制阀%回油量%响应 共軌噴油器%控製閥%迴油量%響應
    공궤분유기%공제벌%회유량%향응
    common rail injector%control valve%fuel return amount%response
    针对大流量、高转速高压共轨喷油器回油量大、响应慢的问题 ,设计一种带滑阀结构的共轨喷油器控制阀 ,通过仿真计算分析了高压共轨喷油器控制阀关键结构参数对喷油性能的影响规律 ,并以此为依据 ,开展喷油器控制阀滑阀结构设计研究.通过试验验证了共轨喷油器控制阀增加滑阀结构设计后对提高喷油响应速度、降低回油量有明显的作用 ,优化了喷油器的性能 ,提高了供油系统的效率.
    침대대류량、고전속고압공궤분유기회유량대、향응만적문제 ,설계일충대활벌결구적공궤분유기공제벌 ,통과방진계산분석료고압공궤분유기공제벌관건결구삼수대분유성능적영향규률 ,병이차위의거 ,개전분유기공제벌활벌결구설계연구.통과시험험증료공궤분유기공제벌증가활벌결구설계후대제고분유향응속도、강저회유량유명현적작용 ,우화료분유기적성능 ,제고료공유계통적효솔.
    For the much return fuel and slow response problems of large flow and high speed high-pressure common rail injec-tor ,a control valve with slide valve structure was designed .Through the simulation and calculation ,the influence of key pa-rameters for control valve on injection performance was analyzed and the slide valve structure was researched .The test verified that the addition of slide valve structure had great effect on improving injection response and return fuel amount .The design optimized the injector performance and improved the efficiency of fuel supply system .
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