| 提高柴油机高压共轨系统高压泵泵油能力的研究 |
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| 引用本文： | 董尧清,顾萌君,纪丽伟,邹龙. 提高柴油机高压共轨系统高压泵泵油能力的研究[J]. 内燃机工程, 2006, 27(5): 11-15 |
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| 作者姓名： | 董尧清 顾萌君 纪丽伟 邹龙 |
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| 作者单位： | 同济大学,汽车学院,上海,201804;同济大学,汽车学院,上海,201804;同济大学,汽车学院,上海,201804;同济大学,汽车学院,上海,201804 |
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| 摘 要： | 以成熟的柴油机高压共轨系统ECD-U2为模型，利用Hydsim软件进行模拟计算，分析并预测了共轨系统高压泵中柱塞直径、泵腔余隙容积、柱塞最大升程以及凸轮型线等主要结构参数对泵油能力及泄漏量的影响，为进一步提高共轨系统供油压力提出可行的方案。
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| 关 键 词： | 内燃机 柴油机 高压共轨喷射系统 高压泵 泄漏 泵油能力 |
| 文章编号： | 1000-0925（2006）05-011-05 |
| 收稿时间： | 2005-11-10 |
| 修稿时间： | 2005-11-10 |
Investigation on the Rating of Pumping Ability of Common-Rail Fuel Injection System for Diesel Engines |
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| DONG Yao-qing,GU Meng-jun,JI Li-wei,ZOU Long. Investigation on the Rating of Pumping Ability of Common-Rail Fuel Injection System for Diesel Engines[J]. Chinese Internal Combustion Engine Engineering, 2006, 27(5): 11-15 |
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| Authors: | DONG Yao-qing GU Meng-jun JI Li-wei ZOU Long |
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| Affiliation: | Automobile College, Tongji University, Shanghai 201804, China |
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| Abstract: | This paper based on the model of ECD-U2, a successful common-rail fuel injection system. A set of hydraulic calculations simulating by using the software Hydsim were done. The effects of the plunger diameter, the clearance volume of plunger cavity, the maximum lift of plunger as well as the cam profile etc of the pump in CR system on the rate of pumping and leakage were analyzed and predicated. The useful manners, which could increase pumping ability, were raised. |
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| Keywords: | IC engine diesel engine common-rail fuel injection system high pressure fuel pump leakage pumping ability |
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