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Mechanical Hybrid System Comprising a Flywheel and CVT for Motorsport and Mainstream Automotive Applications
Technical Paper
2009-01-1312
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
Hybrid drivetrain systems focusing on Kinetic Energy Recovery Systems (KERS) will be introduced in Formula 1 for the 2009 season with the clear intent of directing technical developments in motorsport that will have an impact to the key issue of fuel efficiency in road cars.
The 2009 season specification defines a system that can recover, store and reapply 400kJ of energy per lap at a maximum rate of 60kW. In order to promote technical development, neither the type of system (be it electrical, mechanical, hydraulic, etc.), the weight of the system nor the strategy for reapplication of the recovered energy has been defined.
Flybrid Systems LLP have developed a mechanical KERS utilising a high speed carbon filament flywheel and a Torotrak full-toroidal traction drive Continuously Variable Transmission for use both within F1 and motorsport but also for mainstream automotive applications.
This paper describes the Formula 1 system and the development of road car systems covering the energy storage requirements, system efficiencies, energy savings and hence performance improvements.
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Authors
Citation
Cross, D. and Brockbank, C., "Mechanical Hybrid System Comprising a Flywheel and CVT for Motorsport and Mainstream Automotive Applications," SAE Technical Paper 2009-01-1312, 2009, https://doi.org/10.4271/2009-01-1312.Also In
References
- http://www.activepower.com/
- Medlicott P A C “Development Of A Lightweight, Low Cost Flywheel Energy Storage System For A Regenerative Braking Application.” The British Petroleum Company pIc. 20th Intersociety Energy Conversion Engineering Conference (IECEC) Miami Beach, Florida August 18–23 1985
- Greenwood C J “Integration of a commercial vehicle regenerative braking driveline”
- Flynn M M Zierer J J Thompson R C “Performance Testing of a Vehicular Flywheel Energy System.” Advanced Hybrid Vehicle Powertrains 2005, SP-1973, SAE 2005 World Congress Detroit, USA
- Barr A Veshagh A “Fuel Economy and Performance Comparison of Alternative Mechanical Hybrid Powertrain Configurations” SAE 2008 World Congress Detroit, USA
- Hayes R J Kajas J P Thompson R C Beno J H “Design and Testing of a Flywheel Battery for a Transit Bus” SAE 1999 International Congress and Exposition Detroit, USA
- http://www.ccm.nl/pdf/FLW-Tech-160204.pdf
- http://photo.proaktiva.eu/digest/2008_gyrobus.html
- Burke M Briffet G Fuller J Heumann H Newall J “Powertrain efficiency optimization of the Torotrak Infinitely Variable Transmission (IVT)” SAE 2002 World Congress Detroit, USA
- Lee A Newall J “Durability of a compact Dual-Cavity Full-Toroidal IVT Variator” SAE 2004 World Congress Detroit, USA
- Newall J Nicolson D Lee A Evans S “Development and Assessment of Traction Fluids for Use in Toroidal IVT Transmissions” SAE 2002 World Congress March 2002 Detroit; Michigan; USA
- Hewko L. O “Automotive traction drive CVTs – An overview” SAE paper 861355 1986