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BorgWarner's New Exhaust Gas Recirculation Technology Reduces Commercial Diesel Vehicle Emissions

ABR Staff Writer Published 17 June 2009

System designed to improve fuel economy, reduce emissions and improve vehicle performance, says company

BorgWarner's new exhaust gas recirculation (EGR) technology reduces nitrogen oxide (NOx) emissions, enabling medium- and heavy-duty commercial diesel engines and vehicles to comply with global emissions standards.

BorgWarner's electric butterfly EGR valve features a brushless DC motor actuator with a gear train. Sensors within the motor provide feedback to a closed-loop control system to position the valve and ensure precise control of recirculated exhaust gas. All major components, including the housing and valve, are reportedly built with stainless steel to resist corrosion.

In addition to commercial diesel engine and vehicle applications, BorgWarner's butterfly EGR valve can also be applied to diesel passenger car applications. The company said these systems are designed to improve fuel economy, reduce emissions and improve vehicle performance.

Roger Wood, BorgWarner Engine Group President, said: New engine concepts for commercial diesel vehicles require greater use of state-of-the-art EGR systems to meet ever stricter emissions standards. Thanks to our expertise in turbocharging and exhaust gas recirculation systems, BorgWarner is uniquely positioned to meet the growing demand in this market segment.