直喷汽油机润滑油行驶适应性试验研究

杜爱民; 靳争; 陈垚伊; 张雅洁; 朱忠攀

doi:10.3969/j.issn.1001-2222.2019.04.014

车用发动机 >

2019 , Vol. 0 >Issue 4: 78 - 82

DOI: https://doi.org/10.3969/j.issn.1001-2222.2019.04.014

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直喷汽油机润滑油行驶适应性试验研究

杜爱民 ,
靳争 ,
陈垚伊 ,
张雅洁 ,
朱忠攀

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(1.同济大学汽车学院,上海 201804；2.中汽成都配件有限公司，四川成都 610504；3.成都市龙泉驿区委社治委，四川成都 610100)

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Experimental Research on Driving Adaptability of Lubricant for GDI Engine

DU Aimin ,
JIN Zheng ,
CHEN Yaoyi ,
ZHANG Yajie ,
ZHU Zhongpan

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（1.School of Automotive Studies,Tongji University,Shanghai 201804,China;2.Zhongqi Chengdu Accessories Co.,Ltd.，Chengdu 610504,China;3.Chengdu Longquanyi District Social Governance Committee，Chengdu 610100,China）

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摘要

采用自行设计的测量设备对直喷汽油机滤清器机油温度与滤清器前后压力等参数进行实时测量，对试验结果分析得出机油温度与压力参数的规律：滤清器润滑油温度随着行驶里程增加而逐渐下降，而在9 000 km左右滤清器压差发生剧烈变化。试验结果表明：该润滑油在车辆行驶里程8 000 km范围内性能稳定，润滑油换油周期应控制在该行驶里程内。

关键词： 直喷式汽油机; 润滑油; 温度; 压力

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杜爱民 , 靳争 , 陈垚伊 , 张雅洁 , 朱忠攀 . 直喷汽油机润滑油行驶适应性试验研究[J]. 车用发动机, 2019 , 0(4) : 78 -82 . DOI: 10.3969/j.issn.1001-2222.2019.04.014

Abstract

The real-time measurement of temperature and pressure in the inlet and outlet of filter for a GDI engine was conducted with self-designed measurement device. The test results were analyzed to obtain the rule of oil temperature and pressure parameters. It was found that the temperature of lube oil in the filter decreased with the increase of mileage, but the pressure drop through the filter changed drastically at the mileage of around 9 000 km. The test results showed that the lube oil had stable performance within the mileage of 8 000 km and the oil draining interval should be within this mileage range.

Key words： gasoline direct injection engine; lubricant; temperature; pressure

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