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BorgWarner to reduce emissions for cummins engines with EGR technology

ABR Staff Writer Published 27 January 2011

BorgWarner, a provider of engineered components and systems for vehicle powertrain applications worldwide, said that its actuator technology powers its new electric exhaust gas recirculation (EGR) valve for the Cummins 11.9-liter and 15-liter engines, which were launched recently for various on-highway commercial diesel trucks.

The company said that the combination of its EGR valve and actuator technologies reduces emissions while offering durable and reliable operation in the harshest commercial diesel powertrain environments.

BorgWarner Emissions Systems president and general manager Thomas Waldhier said that today's commercial and industrial diesel engines require EGR systems to lower the combustion temperatures that produce harmful NOx emissions.

"As emissions standards in this market segment continue to become more stringent, we anticipate demand for our advanced EGR systems to grow significantly," Waldhier said.

The company said that the new electric butterfly EGR valve is designed to reduce nitrogen oxide emissions, it features precise and responsive control combined with high flow capability, sealing, corrosion resistance and reliable operation in the most severe operating environments.

The butterfly EGR valve is driven by the company's compact brushless actuator that delivers high operating torque, fast response and proven durability in a small package with a reliable gear train.

Sensors within the compact brushless actuator provide feedback to a closed-loop control system to position the butterfly EGR valve and ensure precise control of recirculated exhaust gas.

The compact brushless actuator can be used in a variety of powertrain applications and is available in both smart and non-smart versions, and can be water-cooled for extreme temperature applications.