NEW Volvo Drive-E Powertrains -- Efficient Driving Pleasure

Описание: Volvo Cars' new Drive-E range of powertrains takes efficient driving pleasure to a new dimension in which the number of cylinders is no longer important to describe power and drivability. The first three engines from the two-litre, four-cylinder Drive-E powertrain family will be launched in autumn 2013. The diesel version features world-first i-Art technology, and the most powerful petrol version comes with a class-leading combination of a compressor and a turbocharger.

"We have created smaller, more intelligent engines with power curves that give exciting driveability compared with engines with more cylinders yet deliver the fuel economy of only four cylinders. In addition, by adding electrification such as plug-in hybrid technology, we will reach power figures in the V8 territory," says Derek Crabb, Vice President Powertrain Engineering at Volvo Car Group.

The whole Drive-E engine range, which, during the development phase, was called Volvo Engine Architecture (VEA), basically consists of two four-cylinder engines, one common rail diesel and one direct-injected petrol version. They replace eight engine architectures on three platforms

Drive-E diesels will range from 120 to 230 hp. Petrol versions will start at 140 hp and go all the way up to 300-plus hp.

Several levels of turbo charging open up the flexibility to cover the whole range, from fuel-efficient derivatives through to high power and torque variants. In order to cover all customer requirements, some engines will also gain added performance via electrification or other spearhead technology.

Three Drive-E engines

Initially, the new S60, V60 and XC60 will be available with three engines from the new engine family: the 306 hp petrol turbo T6, the 245 hp T5 and the turbo diesel D4 with 181 hp. A new 8-speed automatic gearbox contributes to a refined drive and excellent fuel economy. The T5 and the D4 are also available in the new Volvo V70, XC70 and S80.

Volvo Cars' power train experts have developed the engines in-house. They are being built at Volvo Car Group's high-tech engine plant in Skövde, Sweden.

New eight-speed automatic gearbox

To deliver the desired responsive, smooth and fuel-efficient drivability, the engines are teamed either with a new eight-speed automatic gearbox or an enhanced six-speed manual, tuned for improved fuel economy.

"The sophisticated Drive-E technologies give the customer high performance, improved fuel economy, considerably lower emissions and a powerful sound character. Our four-cylinder engines will offer higher performance than today's six-cylinder units and lower fuel consumption than the current four-cylinder generation," says Derek Crabb. He adds: "If you take a four-cylinder Drive-E engine versus any six-cylinder engine, there's a massive weight and size reduction for the same power. Fuel economy savings are anything from 10 to 30 per cent, depending on which engine you're comparing it to."

Diesels with world-first i-Art technology

The diesels feature world-first i-Art technology. By featuring pressure feedback from each fuel injector instead of using a traditional single pressure sensor in the common rail, i-Art makes it possible to continuously monitor and adapt fuel injection per combustion in each of the four cylinders.

"Increasing the rail pressure to an exceptionally high 2,500 bar, while adding the i-Art technology, can be described as the second step in the diesel revolution. It is a breakthrough comparable to our invention of the lambda sensor for the catalytic converter in 1976. It's another world first in passenger cars for Volvo," says Derek Crabb.

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