Experimental Research on Driving Adaptability of Lubricant for GDI Engine

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

doi:10.3969/j.issn.1001-2222.2019.04.014

Vehicle Engine ›› 2019, Vol. 0 ›› Issue (4) : 78-82. DOI: 10.3969/j.issn.1001-2222.2019.04.014

Experimental Research on Driving Adaptability of Lubricant for GDI Engine

DU Aimin¹,JIN Zheng²,CHEN Yaoyi¹,ZHANG Yajie³,ZHU Zhongpan¹

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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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DU Aimin,JIN Zheng,CHEN Yaoyi,ZHANG Yajie,ZHU Zhongpan. Experimental Research on Driving Adaptability of Lubricant for GDI Engine[J]. Vehicle Engine. 2019, 0(4): 78-82 https://doi.org/10.3969/j.issn.1001-2222.2019.04.014