AUBURN HILLS, Mich.,
June 18, 2019 /PRNewswire/
-- The success story of BorgWarner's regulated two-stage
(R2S®) turbocharging system now includes another
milestone in the long-standing cooperation with the German premium
manufacturer, Mercedes-Benz. The unique solution now boosts the
most powerful version of Mercedes-Benz 4-cylinder diesel engine,
the OM 654, with a power of 180 kW (241 HP). The design of
BorgWarner's turbocharging system was especially adapted to comply
with the stringent current emissions standard Euro 6d TEMP,
while delivering outstanding engine performance. For this reason,
the R2S utilizes an intelligent combination of a highly
sophisticated variable turbine geometry (VTG) turbocharger for
high-pressure stages and a wastegate turbocharger for low-pressure
stages.
![BorgWarner’s regulated two-stage (R2S®) turbocharging system reduces emissions significantly. BorgWarner’s regulated two-stage (R2S®) turbocharging system reduces emissions significantly.](https://mma.prnewswire.com/media/924133/BorgWarner_R2S_TurboCharger.jpg)
"With its innovative technologies, BorgWarner is supporting
automakers in meeting tough emissions standards. Developing more
environmentally friendly vehicles is part of our larger vision for
a cleaner, more energy-efficient world," said Joe Fadool, President and General Manager
BorgWarner Turbo Systems. "At BorgWarner, we are proud to continue
our successful long-term cooperation with Mercedes-Benz. Our highly
efficient R2S turbocharging technology enables a much cleaner
diesel engine to achieve the best possible performance."
BorgWarner's advanced R2S system enables optimized air supply
over the whole engine map, which results in best possible fuel
consumption and low emissions by supplying the required boost for optimum
combustion. The new turbocharging system takes care that
Mercedes-Benz OM 654, which offers a smaller displacement of just
under 2 liters compared to its forerunner, still delivers 20
percent higher power output. BorgWarner's R2S system is the first
on the market for diesel applications to feature a steel-casted
turbine housing, thus ensuring a high thermal resistance. The
advanced technology also features water-cooled e-actuator, bearing
system and compressor housing combined in an extremely compact
package. The combination of a large and a small turbocharger allows
a higher torque, especially in the lower and upper speed ranges, as
well as excellent response times.
S-shaped guide vanes within the company's high-pressure VTG
turbocharger regulate the turbine output by changing the inflow
angle and speed at the turbine wheel inlet. The turbine
cross-section constantly adapts to the engine's operating
conditions to reduce fuel consumption and emissions. As the engine
speed increases, a bypass gradually diverts the exhaust flow to the
larger low-pressure wastegate turbocharger. In this way,
BorgWarner's solution allows consistent power delivery and
outstanding efficiency. In addition, the company's R2S system
provides excellent response times and helps to reduce emissions
significantly.
About BorgWarner
BorgWarner Inc. (NYSE: BWA) is a
global product leader in clean and efficient technology solutions
for combustion, hybrid and electric vehicles. With manufacturing
and technical facilities in 68 locations in 19 countries, the
company employs approximately 30,000 worldwide. For more
information, please visit borgwarner.com.
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SOURCE BorgWarner