Federal-Mogul Powertrain Technologies Featured on All 13 International Engine of the Year Award-Winning Engines
SOUTHFIELD, Michigan, June 13, 2018...Leading engine technologies from Federal-Mogul Powertrain are featured on all of the 2018 International Engine of the Year Awards winners. Again, Federal-Mogul Powertrain’s broad range of advanced engine components are found on the winners of all 13 award categories, each of which use one or more of the company’s pistons, rings, liners, bearings, valve seats and valve guides, seals and gaskets, valvetrain and system protection products.
The panel of judges for the 2018 International Engine of the Year Awards comprises 68 automotive journalists from 32 countries, who together evaluated engine designs that blended high-end performance with advanced technologies designed to reduce emissions and substantially improve fuel economy.
Federal-Mogul Powertrain is committed to developing innovative products that help our customers to enhance overall vehicle efficiency and performance,” said Gian Maria Olivetti, Chief Technology Officer, Federal-Mogul Powertrain. “We are pleased to once again support all winners of the 2018 International Engine of the Year Awards with our industry-leading powertrain technologies.
Federal-Mogul Powertrain Launches New Piston Ring Technology for Commercial Vehicles
Burscheid, Germany, May 29, 2018… Federal-Mogul Powertrain has developed a new piston ring for use in commercial vehicle diesel engines that enhances gas sealing capability by stabilizing ring dynamic motion and homogenizing oil film. The running surface profile of the new eLineTM rings for use in the 2nd groove has been designed to distribute oil more evenly around the cylinder bores and to modify the running face area for reduced gas pressure force. This results in enhanced engine efficiency, increased robustness and lower emissions. Bench tests with eLine in different diesel engines have shown a significant reduction in blow-by of up to 20 percent, which converts directly into either an increase in mean effective pressure or a decrease in fuel consumption.
eLine is the first commercial vehicle piston ring technology that distributes oil circumferentially in a consistent layer,” explained Dr. Steffen Hoppe, Director, Technology, Rings & Liners, Federal-Mogul Powertrain. “The design compensates for localized surplus oil drops, protects against local oil film breakdown, supports low oil viscosity strategies, improves the sealing of combustion gases and reduces wear. The specific running surface profile has also been designed to prevent radial ring instabilities, which are becoming more common due to the industry trend for increased peak combustion pressures.
Rings used in the 2nd groove of commercial vehicle engines are predominantly designed with a tapered running face profile. These can struggle to maintain a homogenous oil film in sub-optimal conditions, such as bore distortion or oil supply issues. The tapered profile also provides a comparably large running face area, which can result in radial ring instability when pressure between the inner and outer diameter of the ring becomes imbalanced.
The eLine piston ring has a circumferential groove towards its lower side, allowing surplus oil to be retained below the ring. The oil in this groove reservoir creates a circumferential pressure difference that generates controlled oil flow around the bore as the piston reciprocates, improving the uniformity of the oil film. The hydrodynamic function of the running surface profile has been developed in a way that allows for a reduced area for gas pressure force towards the upper side of the ring.
Federal-Mogul Powertrain’s eLine piston rings are currently with customers for validation in preparation for short term market introduction.