Eaton Supercharger-Turbocharger Increases Power and Efficiency; New System Improves 2006 VW Golf GT Fuel Efficiency by 20%
13 Settembre 2005 - 4:12PM
Business Wire
Diversified industrial manufacturer Eaton Corporation (NYSE:ETN)
has partnered with Volkswagen to help produce the only
production-ready combination supercharger and turbocharger system
in a passenger car today, allowing VW to deliver an engine on the
2006 Golf GT that improves fuel efficiency by 20 percent. Unveiled
at the International Motor Show (IAA) in Frankfurt and dubbed the
"twincharger" by VW, the system combines a half-size, Eaton
Roots-type supercharger with a single-stage turbocharger on VW's
new TSI 1.4-liter gasoline engine, which replaces the FSI engine
previously available on the Golf in Europe. The system boosts the
four-cylinder engine to 168 horsepower and 177 lb-feet of torque at
an impressive fuel consumption average of 39.2 mpg. "This system
really is a best-of-both-worlds scenario: two technologies
carefully crafted into a system that helps Volkswagen answer
European consumers' demands for performance and fuel efficiency in
one cost-effective package," said Jeffrey Romig, vice president and
general manager, Eaton Air Induction and Cylinder Head Systems. By
combining the performance-enhancing elements of supercharging and
turbocharging, a customer realizes the benefits of both
technologies. The belt-driven supercharger compressor provides high
torque at low engine speeds. The turbocharger kicks in to provide
added performance at higher rpms. When the turbo system reaches
ideal speeds, the supercharger is declutched and an electronically
controlled bypass valve directs air to the turbocharger, which
delivers high-end power without the "lag" generally associated with
turbocharging. The combination system allows an automaker the
option to provide a smaller displacement gasoline engine while
improving performance, and reducing fuel consumption and emissions.
The system is an evolution of Eaton's long history of innovation in
engine air management, primarily in supercharging. In addition to
boosting performance, automakers are also using superchargers to
assist with meeting fuel economy and emission requirements in
gasoline engines. In Europe, forecasts show that 70% of gasoline
engines will be equal to or less than the 2.0-liter size. These
lower displacements will require boosting to maintain performance,
drivability, and emissions compliance. The new system will be
supplied from Eaton's facility in Tczew, Poland with production
expected to ramp up in September. The 2006 Golf GT goes on sale
this fall and Volkswagen will use a variation of the TSI engine in
future European models including the Touran compact MPV. Eaton
Corporation is a diversified industrial manufacturer with 2004
sales of $9.8 billion. Eaton is a global leader in electrical
systems and components for power quality, distribution and control;
fluid power systems and services for industrial, mobile and
aircraft equipment; intelligent truck drivetrain systems for safety
and fuel economy; and automotive engine air management systems,
powertrain solutions and specialty controls for performance, fuel
economy and safety. Eaton has 57,000 employees and sells products
to customers in more than 125 countries. For more information,
visit www.eaton.com
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