rotor positioning bearing for stop-start systems
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Rotor Positioning Bearing for Stop-Start Systems Improves Fuel Economy and Reduces CO2 Emissions - SKFTRANSCRIPT
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SKF Rotor Positioning Bearing for Stop-Startsystems improves fuel economy and reduces CO2emissions
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Story
2012 May 08, 10:06 CEST
SKF announced that the SKF Rotor Positioning
Bearing has qualified into the SKF BeyondZero
Portfolio because it is an integral component of
Stop-Start systems for micro-hybrid vehicles. In
dense urban traffic, Stop-Start can reduce fuel
consumption and CO2 emissions up to 15%. Based
on an annual mileage of 14,500km, this solution
saves 75kg CO2 per vehicle per year.
The automotive industry is continually looking for
solutions to reduce CO2 output and improve vehicle
fuel efficiency, says Franco Ferro, Director SKF
Automotive, Powertrain & Electrical and Two
Wheelers. In partnership with Valeo, SKF
developed the SKF Rotor Positioning Bearing, which helps make Stop-Start
possible.
Stop-Start turns off a vehicles engine when the vehicle stops at a red light or
slows down in congested traffic situations, then restarts the engine quickly and
silently when power is needed.
The SKF Rotor Positioning Bearing consists of a high performance magnetic ring
clamped to a high-speed, high-temperature bearing. Together they produce a
powerful, accurate, repeatable and durable magnetic field. The strong magnetic
impulses produced by the SKF Rotor Positioning Bearing provide the starter-
alternator control system with the rotors exact angular position, and enable the
system to stop and start the engine quickly and quietly.
If all the cars in a city the size of Berlin were equipped with this technology,
127000 tonnes of CO2 emissions* would be avoided each year.
*According to Eurostat, between 2007 2009 there were 1,747,790 cars in
Berlin. This number assumes that they all were equipped with Peugeot or
Citroen eHDi motors.
Gothenburg, 08 May 2012
Aktiebolaget SKF
(publ)
For further information, please contact:
PRESS: Nia Kihlstrm, Press Manager,
tel: +46 31-337 28 97, mobile: +46 706 67 28 97, e-mail:
TECHNICAL PRESS: Colin Roberts, SKF Group Communication, tel +31 30
6075608, mobile: +31 653 944 111, e-mail: [email protected]
SKF is a leading global supplier of bearings, seals, mechatronics, lubrication
systems, and services which include technical support, maintenance and
reliability services, engineering consulting and training. SKF is represented in
more than 130 countries and has around 15,000 distributor locations worldwide.
Annual sales in 2011 were SEK 66,216 million and the number of employees
was 46,039. www.skf.com
Rotor Positioning
Bearing
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Rotor Positioning Bearing (179 KB) preview
SKF Rotor Positioning Bearing reduces CO2 emissions
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