BorgWarner’s Award-Winning R2S® Turbocharging Technology Improves Performance and Fuel Economy for Ford’s Powerful New Downsized Diesel Engine
BorgWarner’s regulated two-stage (R2S®) turbocharging technology improves the performance and fuel economy of Ford’s new powerful 2.0-liter diesel engine, the first Ford engine for passenger cars equipped with a two-stage turbocharging system. The high-performance engine achieves an output of 155 kW (210 HP) and a maximum torque of 450 Nm. Engineered to provide outstanding performance and fast engine response while reducing emissions, the fuel-efficient diesel engine will debut in the Ford Mondeo, S-Max and Galaxy in mid-2015 and will replace the 2.2-liter TDCi diesel engine. BorgWarner’s R2S turbocharging system is a cutting-edge technology designed to deliver outstanding performance combined with improved fuel economy for downsized diesel engines, a growing trend among automakers worldwide.
“A true success story, BorgWarner’s R2S turbocharging technology provides down-sized diesel engines with the optimum combination of powerful performance and reduced emissions,” said Frederic Lissalde, President and General Manager, BorgWarner Turbo Systems. “We are pleased to support Ford with our market-leading expertise in turbocharging technologies, engineered to help automakers comply with stringent emissions regulations.”
BorgWarner’s R2S turbocharging technology consists of two turbochargers arranged in series to deliver improved torque and smooth power over the entire engine speed range. One compact KP35 high-pressure turbocharger generates boost pressure at low exhaust gas flow rates for rapid acceleration at low engine speeds without delay or turbo lag. As engine speed increases, the exhaust gas stream is split, and the larger K04 low-pressure turbocharger works in series with the KP35 high-pressure turbocharger. The larger K04 charger pre-compresses the intake air, and the smaller KP35 turbo compresses it even more. At higher rpm rates, nearly all gases flow directly through a bypass valve to the K04 low-pressure turbocharger, which takes over the workload to maintain fluid power delivery at higher speeds. The R2S turbocharging technology fulfills the requirements of state-of-the-art engine concepts, providing maximum exhaust gas recirculation rates even under full load conditions while significantly reducing emissions.
BorgWarner Inc. (NYSE: BWA) is a product leader in highly engineered components and systems for powertrains around the world. Operating manufacturing and technical facilities in 58 locations in 19 countries, the company delivers innovative powertrain solutions to improve fuel economy, reduce emissions and enhance performance.
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