| 二甲醚发动机低压共轨燃料系统关键部件研究 |
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| 引用本文： | 吴超,徐坚,陈引,孙敬,张光德.二甲醚发动机低压共轨燃料系统关键部件研究[J].内燃机,2013(6):35-38,46. |
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| 作者姓名： | 吴超 徐坚 陈引 孙敬 张光德 |
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| 作者单位： | [1]青海盐湖机电装备制造有限公司,青海格尔木816000 [2]郑州铁路职业技术学院,河南郑州450052 [3]武汉科技大学汽车与交通工程学院,湖北武汉430081 |
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| 基金项目： | 国家自然科学基金项目（50975212）;汽车动力传动与电子控制湖北省重点实验室（湖北汽车工业学院）开放基金项目（ZDK201212） |
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| 摘 要： | 针对二甲醚（DME）应用于柴油机易造成燃料供给系统严重磨损与泄漏的现状，基于二甲醚低压共轨燃料系统，对系统中的加压泵及喷油器等关键部件重新设计；介绍了DME新型加压装置——直列隔膜式燃料泵及DME新型喷射装置——独立润滑喷油器的结构及工作原理，并进行了相应的试验研究。进一步完善了二甲醚低压共轨燃料系统．为二甲醚发动机的深入研究奠定了基础。
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| 关 键 词： | 二甲醚 低压共轨燃料系统 关键部件 设计研究 |
Research on the Key Components in Low-pressure Common Rail Fuel System for DME Engine |
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| WU Chao,XU Jian,CHEN Yin,SUN Jing,ZHANG Guangde.Research on the Key Components in Low-pressure Common Rail Fuel System for DME Engine[J].Internal Combustion Engines,2013(6):35-38,46. |
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| Authors: | WU Chao XU Jian CHEN Yin SUN Jing ZHANG Guangde |
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| Affiliation: | ＇ ( 1. Qinghai Salt Lake Electromechanieal Equipment Manufacture Co., Ltd., Golmud 816000, China; 2. Zhengzhou Railway Voeational ＆ Technical College, Zbengzhou 450052, China; 3. School of Automobile and Traffic Engineering, Wuhan University of Science and Technology, Wuhan 430081, China ) |
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| Abstract: | For the siluation that DME＇s low viscosity causes wear and leakage on the plunger coupled paris of injection pump and needle coupled parts of injector, based on DME low-pressure common rail fuel system, the pressure pump and injector of which is redesigned. The new pressure device for DME, in-line diaphragm fuel pump, and the new injection device, independent lubrication injector are introduced, and corresponding experimental research is conducted. DME low-pressure common rail fuel system is improved in order to do further research on the DME engine. |
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| Keywords: | DME low-pressure common rail fuel system key components design and research |
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