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Fuel Economy Improvement by Engine Oil with Ultra-High Viscosity Index EMG Lubricants Godo Kaisha
- Format:
- Book
- Conference/Event
- Author/Creator:
- Onodera, Ko, author.
- Conference Name:
- 2019 JSAE/SAE Powertrains, Fuels and Lubricants (2019-08-26 : Kyoto, Japan)
- Language:
- English
- Physical Description:
- 1 online resource cm
- Place of Publication:
- Warrendale, PA SAE International 2019
- Summary:
- With the electrification of automobiles, such as hybridization, engines on these vehicles operate more frequently at low oil temperatures, while engines are more specifically run at low engine speed and high load condition for driving vehicles. Hence, engine oils are required to reduce their viscosity at low temperature for friction reduction to improve fuel economy and maintain high temperature viscosity enough to protect engine parts for robustness at the same time. This leads to the improvement of viscosity index, the "ultra-high viscosity index (UHVI)" concept. The novel engine oil technology with a new high performance polymer was investigated. One of experimental oils showed the 100°C viscosity equivalent to SAE 0W-16 grade and the better fuel economy than that of SAE 0W-8 oil by an engine motoring friction test. This study demonstrated the promising performance of the UHVI concept to provide further fuel economy benefit especially for advanced electrified powertrains such as hybrid systems
- Notes:
- Vendor supplied data
- Publisher Number:
- 2019-01-2203
- Access Restriction:
- Restricted for use by site license
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