Ford EcoBlue; 2.0L Technical Wonder.

by Heather Platt | Posted on Wednesday, May 9th, 2018

Major European cities such as Madrid and Paris are discriminating against diesel engines due to officials’ concerns about the types of pollution oil-burners produce.

Ford EcoBlue 2.0L

Some municipalities have gone as far as making plans to eventually ban all diesel-powered vehicles from entering city limits. These concerns are making some diesel engine manufacturers reevaluate their future development. However, the scrutiny has not diminished Ford of Europe’s diesel efforts, as evidenced by the release of its 2.0L EcoBlue powerplant.

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The four-cylinder EcoBlue is the most advanced diesel engine Ford has ever produced. Starting with a clean sheet, engineers focused on developing an engine that has very low internal friction. New technologies and ideas were combined to create an engine that provides improved performance, lower emissions, and better fuel efficiency in a compact, quiet, smooth-running package that is well suited for utility vehicles like the Ford Transit Connect van.

Ford engineers designed a strong, lightweight block that provides reduced noise and vibration. An aluminum ladder frame bolted to the bottom to maximize strength and stiffness of the block helps reduce noise and vibration as well. Another key design feature is the 10mm offset crankshaft position. By offsetting the crank from the piston centerline, piston side load against the cylinder wall is reduced, thus decreasing friction and wear. The crank bearing diameters are also minimized to improve rotating efficiency.

Fuel is delivered to the cylinders by a high-pressure direct-injection system that utilizes centralized eight-hole-nozzle piezo injectors in the cylinder head, which allow for precisely controlled fuel delivery up to six times per cycle. A 2,000-bar geardriven high-pressure fuel pump feeds the injectors.

To meet the stringent Euro Stage 6 emissions standard, the EcoBlue uses a unique EGR system in which gases pass through a channel incorporated in the cylinder head, saving space and weight. The urea-injected SCR catalyst and particulate filter are mounted close to the engine to ensure a quick warm-up.

In addition to the mechanical innovations developed to help reduce noise output, engineers also incorporated a multi-layered front cover that assists in damping sound coming from the belt drive and gears. Valvetrain racket is kept to a minimum by a high-frequency damping cover on top of the cylinder head.


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