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Uncategorized/Ford
June 3, 2015 11:33 am

Ford’s Smallest Engines Getting Innovative Engine Management Systems

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Ford-EcoBoost-Engine_02 Ford Motor Company is investigating an innovative new engine management approach that could be a key to helping make the company’s award-winning three-cylinder 1.0L EcoBoost engine even more fuel efficient.

On-road tests using a working prototype showed fuel efficiency improvements of up to 6 percent after engineers conducted an experimental investigation into cylinder deactivation.

To enable cylinder deactivation to take place at a wider range of engine loads and speeds they developed a new dual mass flywheel which also minimized noise, vibration and harshness levels.

These findings were presented at the world renowned Vienna Engine Symposium by Andreas Schamel, Ford director, Global Powertrain, Research & Advanced Engineering. Cylinder deactivation is among a number of fuel efficiency solutions Ford is investigating for the 1.0-litre EcoBoost, at the European Research and Innovation Centre in Aachen, Germany.

“Even for an aggressively downsized engine such as the 1.0L EcoBoost, a significant improvement in vehicle fuel economy could be found by exploiting cylinder deactivation,” Schamel said. “The highest priority in the development of new combustion engines for automotive applications is the ongoing reduction of fuel consumption.”

Ford’s 1.0L EcoBoost engine last year became the first engine ever to be named International Engine of the Year three times in a row. Downsized EcoBoost engines combine surprising power with excellent fuel efficiency through direct fuel injection, turbocharging, and variable valve timing. EcoBoost-equipped vehicles last year accounted for one in four new Ford vehicles sold in Europe. The 1.0L EcoBoost, the most popular, is available with automatic as well as five-speed, and six‑speed manual transmissions, and across 10 different models – from Fiesta to the all-new Mondeo.

For testing, engineers equipped a Ford Focus 1.0L EcoBoost with cylinder deactivation hardware that they could monitor deactivation of one cylinder, and also a rolling cylinder deactivation to run the engine in ‘half-engine’ mode.

They prototype was also fitted with a newly developed system that combined a dual mass flywheel, a pendulum absorber, and a tuned clutch disc; and is particularly effective at low revs. As well as enabling a wider operating range of cylinder deactivation, this system helped counteract any effect that the cylinder deactivation had on levels of noise, vibration and harshness.

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