Fuel Economy Lubricants in Heavy Duty Road Service

Younghouse, Edwin C.; Waddey, Walter E.; Schmidt, Robert P.

doi:10.4271/801349

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Tribology and Wear Related To Low-viscosity Oils1

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2016

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Cited by 4 publications

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“…Although the usage of LVO in order to improve engine's fuel economy is not a new trend [35], in recent years it has been accepted as a necessary and consistent solution contribution. In the 90's, oils classified as SAE 10W40 and 15W40 were mostly used, but they were gradually displaced by SAE 10W30 and 5W30 in recent years.…”

Section: Tribology and Wear Related To Low-viscosity Oilsmentioning

confidence: 99%

Low viscosity engine oils: Study of wear effects and oil key parameters in a heavy duty engine fleet test

Macián

Tormos

Ruíz

et al. 2016

Tribology International

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Low viscosity engine oils (LVO) are considered key contributor for improving fuel economy in internal combustion engines (ICE). Attending that the use of LVO could imply a variation in tribological states found in ICE, this work's aim is to test LVO in real fleet, with emphasis on engine wear and oil key performance indicators. This test comprised 39 buses, two engine technologies and four different lubricants. For each sample, the elemental composition of the wear debris by ICP-AES and HTHS viscosity of the oil were measured among other properties. The results showed that, with a correct oil formulation, there is no significant difference when using LVO in terms of engine wear, HTHS viscosity variation and oil consumption.

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Section: Tribology and Wear Related To Low-viscosity Oilsmentioning

confidence: 99%