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AssigneesChevron Oronite Company LLC, Chevron U.S.A. Inc.
InventorsJohn Robert Miller, Richard Eugene Cherpeck, Ian G. Elliott, Theresa Liang Gunawan, Amir Gamal Maria
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Disclosed is a lubricating engine oil composition for use in down-sized boosted engines comprising a lubricating oil base stock as a major component, and at least one silane-containing compound. Also disclosed is a method for preventing or reducing low speed pre-ignition in a direct injected, boosted, spark ignited internal combustion engine, and the use of at least one silane-containing compound in a lubricating engine oil composition for preventing or reducing low speed pre-ignition in a direct injected, boosted, spark ignited internal combustion engine.
A method for preventing or reducing low speed pre-ignition in a direct injected, boosted, spark ignited internal combustion engine, said method comprising the step of lubricating the crankcase of the engine with a lubricating oil composition comprising from about 100 to about 3000 ppm of silicon from at least one sulfur-containing silane compound, based on the total weight of the lubricating oil composition.
Dependencies are inferred from the claim text.