Federal-Mogul’s powertrain segment says it has developed an application in piston ring coating, known as DuroGlide, for gasoline and heavy-duty diesel engines.
“DuroGlide is not an evolution; it’s a breakthrough,” said Federal-Mogul Powertrain chief technology officer, Gian Maria Olivetti.
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“Its performance exceeds even our premium existing products, providing the combination of low friction with exceptional durability, even in the most critical engine environments.”
In testing, DuroGlide-coated piston rings have shown the highest durability of any piston ring coating type and contribute fuel economy savings up to 1.5%, claims Federal-Mogul, equivalent to a CO2 reduction of up to 3 g/km for a light vehicle, depending upon engine application.
In addition to the efficiency improvement from reduced friction, DuroGlide also provides scuff resistance, useful for higher performing and fuel-efficient engines where adverse lubrication conditions are generated by smoother, cylinder bore surfaces, low viscosity oils, aggressive combustion strategies and very high temperatures.
