•    Ford’s combustion team finds solutions to ensure faster cold starts and more-efficient fuel burn for the 3.5-liter EcoBoost V-6 engine, delivering better drive cycle fuel economy and lower emissions
•    The 3.5-liter EcoBoost engine, the first V-6 direct-injection twin-turbocharged engine produced in North America, is the first in a wave of EcoBoost engines coming from Ford as part of a strategy to bring affordable fuel efficiency improvements to millions
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CONTEXT / BACKGROUND:

By 2013, 90 percent of Ford’s North American lineup will be available with EcoBoost engine technology, which is one of Ford’s key initiatives to deliver significant advancements in fuel economy without sacrificing the performance customers want. Ford engineers used virtual tools and know-how to perfect the combustion system of the 3.5-liter EcoBoost V-6 engine in order to handle a wider range of operating conditions and pressures, and still deliver V-8 power coupled with V-6 fuel economy.
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QUOTES:

“The combustion system of the EcoBoost engine has to operate in a wide range of conditions and pressures, and that operation has to be seamless to the customer. Our method uses every bit of fuel, which improves fuel economy, and good mixing means you have good combustion, which means less pollutants.”
– Jianwen Yi,
Ford EcoBoost Technical Leader

 
“Using our CAE (computer-aided engineering) tools and virtual engine, we were able to completely prove out the system. That’s a huge efficiency and time saving. From a research perspective, we’ve never been able to get that level of validation done so early.”
– Craig Stephens,
Ford EcoBoost Powertrain Control System Manager
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DETAILS:

Ford’s combustion team is presenting several papers at the SAE International’s 2009 World Congress April 20-23 on some of the challenges overcome to make the combustion system of the 3.5-liter EcoBoost engine operate efficiently at cold start or top speed. Pressure, for example, can reach up to 2,175 PSI (pounds per square inch) in the EcoBoost combustion system, where a normal port fuel injection system typically ranges up to about 65 PSI.....

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