高压共轨喷油器设计参数对性能影响的研究(6)

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和共轨油压的不同而灵活调节;参考文献?

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量纲几何参数对喷油规律和喷油特性一致性影响的研究@Am内燃机学报<=222<8c7>9?=llS=la&R

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6结

论

789高压共轨喷油器电磁铁响应特性对结构参

数:弹簧力及线圈参数敏感;通过优化结构参数<降低漏磁<减小运动件质量<适当选取衔铁弹簧力<采用高压驱动<可减少响应时间<增大电磁力;

7=9控制室结构参数不但影响高压共轨喷油器的液力响应过程<而且通过控制室结构参数的选取还可以改变喷油规律形状<这一特性为从喷油规律角度优化燃烧提供了有效途径;

控制阀结构形式对高压7>9在共轨油压作用下<

共轨喷油器液力过程也有较大影响;球阀结构受共轨油压影响较大<无法实现小油量;平衡阀结构最大限度地消除了共轨油压的影响<保证了喷油量随控制脉宽

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万方数据　

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