Study of Future Engine Oil (First Report): Future Engine Oil Scenario

Naoto Koyamaishi; Tetsushi Suzuki; Ryuichiro Kamioka; Motoichi Murakami; Minoru Yamashita; Teru Ogawa; Kenichi Komiya; Hiroshi Moritani

doi:10.4271/2007-01-1977

2007-07-23

Study of Future Engine Oil (First Report): Future Engine Oil Scenario 2007-01-1977

In recent years, problems such as global warming, the depletion of natural resources, and air pollution caused by emissions are emerging on a global scale. These problems call for efforts directed toward the development of fuel-efficient engines and exhaust gas reduction measures. As a solution to these issues, performance improvements should be achieved on the oil that lubricates the sliding sections of engines.

This report points to features required of future engine oil-such as contribution to fuel consumption, minimized adverse effects on the exhaust gas aftertreatment system, and improved reliability achieved by sludge reduction-and discusses the significance of these features.

For engine oil to contribution of engine oil to lower fuel consumption, we examined the effects of reduced oil viscosity on friction using gasoline and diesel engines. Furthermore, new additives were studied to replace the friction modifier molybdenum that necessitates the use of sulfur, which affects the exhaust gas aftertreatment system. This report contains favorable results of a new additive.

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Study of Future Engine Oil (First Report): Future Engine Oil Scenario 2007-01-1977

SAE MOBILUS