Eaton Supercharges Audi S4
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Market Served Success Story: Audi Vehicle/Transportation Eaton Supercharges Audi S4 Location: Audi's Supercharged V6 is Background Challenges Herndon, VA a three-time winner of the Audi introduced the sporty S4 Audi wanted to up the ante with Segment: variant of its A4 compact sedan the next-generation, 2010 S4 and Passenger Car, Sports Luxury annual Ward's 10 Best in 2000. The vehicle initially affirm its position in the ultra- offered a twin-turbo V6 engine, competitive premium sports Problem: Engines Award. then later switched to a more segment. The vehicle needed Segment competition, fuel prices, powerful 4.2-liter V8 and has to hit on all cylinders, including fuel economy and emissions "The Engine delivers continued to add content, per- traffic-stopping styling, crisp formance and high-end features handling and all-out power. regulations tremendous over the years. The car’s engine would be criti- Solution: performance...(and a) At the same time, however, cal to its success in the market. Eaton's TVS Supercharger competition in the compact, But in addition to delivering the luxury, powerful driving sports luxury market has heated heart-accelerating performance Results: experience...The up with new offerings from that consumers expect, it also Increased performance, refinement traditional European players as needed to wow them with its and efficiency supercharger provides well as from a host of other fuel-sipping capabilities. international automakers look- Contact Information: luscious low-end torque." ing to move into the segment. Eaton Corporation Drew Winter, editor-in-chief, In addition, higher fuel prices Vehicle Group-Automotive WardsAuto World and increasingly stringent fuel 26101 Northwestern Highway economy and emissions regu- Southfield, Michigan 48076 lations worldwide are driving www.eaton.com automakers to use smaller, more efficient engines. Eaton Corporation is a diversified power management company ranked among the largest Fortune 500 compa- nies. Eaton is a global leader in electrical components and systems for power quality, distribution and control; hydraulics components, systems and services for industrial and mobile equipment; aerospace fuel, hydraulics and pneumatic systems for commercial and military use; and truck and automotive drivetrain and powertrain systems for performance, fuel economy and safety. Eaton has approximately 73,000 employees and sells prod- ucts to customers in more than 150 countries. www.eaton.com ©2012 Eaton Corporation, All Rights Reserved, February 2012 AP-VAP (0508) AP-VAP Solution Audi replaced the V8 engine in the previous S4 sedan and Avant wagon with a new direct- injection 3.0-liter V6 with an Eaton TVS supercharger, which is available in several other Audi cars and crossover models. The 2010 S4 also features a new transmission and quattro all- wheel drive system, as well as an active sport differential with customized torque distribution to aid high-speed driving. Other goodies include a lowered chassis with aluminum suspension components along Eaton TVS Supercharger with stiffer axle bearings and shocks, high-performance ventilated disc brakes, and upgraded styling and interior appointments. The Eaton supercharger design boosts power and low-end In developing its all-new 3.0L In addition, fuel efficiency has For the third year in a row, torque that drivers want while TFSI V-6, Audi opted to use a been significantly improved. Audi's TSFI supercharged V6 also providing OEMs with the supercharger with two separate Amongst 6-cylinder AWD was named one of Ward's Auto option of using a smaller, more water-cooled intercoolers rather competitors, the new S4 with World magazine's "10 Best efficient engine with no loss in than returning to a twin-turbo the Eaton supercharged engine Engines." After being tested in performance or driveability. design. “Audi engineers did delivers a class-leading U.S. EPA the S4 with a six-speed manual extensive comparative testing fuel economy rating of 21 mpg, the last two years, editors The Roots-type positive and found our new TVS including 28 mpg on the evaluated the supercharged displacement supercharger supercharger provided superior highway with the S Tronic powerplant in the larger 2012 A6 features twin four-lobe rotors throttle response and low-end transmission (27 mpg with the with an eight-speed automatic that are twisted 160 degrees. torque coveted by drivers,” notes six-speed). transmission this year. The The intermeshing, high-speed Joao Faria, president of Eaton’s Because they are relatively result was the same: rotor design pumps air directly Powertrain and Specialty into the engine's intake system compact, Eaton superchargers "The engine delivers tremendous Controls Business. “Additionally, can be placed anywhere near performance...(and a) luxury, to generate more power. (By when paired with direct comparison, the original Eaton the engine. In the Audi S4, the powerful driving experience... injection, the TVS surpasses supercharger is mounted directly The supercharger provides supercharger featured three twin turbochargers in packaging, lobes twisted 60 degrees.) The on the V6, which sits farther luscious low-end torque," said starting performance and back on the front axle and helps Drew Winter, editor-in-chief, fourth lobe and added twist, responsiveness.” when combined with redesigned the S4 achieve a weight WardsAuto World." air inlet and outlet ports, creates Mated to a six-speed manual distribution of 55 percent front Eaton is the worldwide leader in a smooth, highly efficient flow of transmission or an optional and 45 percent rear. supercharger solutions, with the air into the engine and has seven-speed S-tronic dual-clutch Supercharged engines can also technology having been selected improved noise and vibration automatic, the engine kicks out provide up to a 50 percent by numerous premium global characteristics. 333 horsepower at 5500-6500 reduction in emissions during brands. The supercharged 3.0 rpm—nearly equaling that of the acceleration and deceleration liter TFSI V6 is a member of Results larger V8. Even more impressive: events when compared to a Audi’s family of ultramodern V Torque is increased eight non-supercharged engine The new Audi S4 debuted to engines. percent to 325 lb-ft. at 2900- creating the same amount of rave reviews in late 2009, thanks 5300 rpm. And it takes just 4.9 power. They also excel at in large part to the new 3.0-liter seconds to sprint from zero to lowering emissions on cold supercharged V6 engine. 60 mph—besting the previous starts and for start/stop hybrid Journalists have lauded the car’s S4 by almost half a second. motors. performance, refinement and efficiency. Most notably, Esquire magazine named the S4 its 2010 "Car of the Year." The supercharged V6 powerplant also was honored as a Ward’s "10 Best Engines" winner. Note: Features and specifications listed in this document are subject to change without notice and represent the maximum capa- Eaton Corporation bilities of the software and products with Vehicle Group all options installed. Although every attempt Southfield, MI 48076 has been made to ensure the accuracy of USA information contained within, Eaton makes Eaton.com no representation about the completeness, correctness or accuracy and assumes no © 2012 Eaton Corporation responsibility for any errors or omissions. All Rights Reserved Features and functionality may vary depending All other trademarks are property of their March 2012 on selected options. respective owners..