Flybrid KERS for Buses & Commercial Vehicles

 

 

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Why Flybrid KERS?

Flybrid Kinetic Energy Recovery Energy System (KERS) is a fully mechanical hybridisation solution for buses and commercial vehicles. Commercial vehicles with frequent braking events are the ideal application for the Flybrid kinetic energy recovery technology. The frequent braking events enable the energy otherwise lost to be recovered and used to propel the vehicles, saving fuel and thus providing a low carbon solution to popular forms of transport worldwide. The Flybrid KERS offers significant fuel and CO2 reductions for as little as 1/4 of the cost of battery electric hybrid systems and unlike battery systems, Flybrid is designed to last the life of the vehicle with only basic servicing.

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Key Benefits for Buses and Commercial Vehicles

  • Significantly lighter and smaller packaging than battery electric hybridisation, reducing impact on GVW and overall capacity.
  • Flybrid unit can be fitted by manufacturer or retrofitted to many vehicles.
  • No infrastructure investment required for charging or safety equipment.
  • Effective across a range of drive cycles, returning best economy improvements in urban and combined driving.
  • Reduces wear and tear on vehicle brakes and retarders by providing up to 70% of the required braking capacity.

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Wrightbus StreetLite Application

Torotrak’s project with leading UK manufacturer Wrightbus,  has developed a deep understanding of the needs of this demanding sector. The Flybrid unit has met all priorities of reliability, fast commercial payback and ease of integration, and has now been fitted to Wrightbus StreetLite midi buses for service with Arriva. The Flybrid unit can be fitted to new vehicles during manufacture or retrofitted to bring older vehicles up to current emissions standards.

The Streetlite midi bus is the first to be equipped with the technology, with pre-production units being used in service trials during 2015, ahead of a 2016 SOP. With a simple mechanical connection to the driveline, and relatively compact packaging space, the KERS unit will fit a variety of buses and is also suitable for 10-12 tonne commercial vehicles.

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Technical Summary

Technology: Kinetic Energy Recovery System

Energy Storage Method: High Speed Carbon Fibre and Steel Flywheel

Energy Transmission Method: Clutched Flywheel Transmission

Peak Storage Capacity: 670kJ

Peak Power Capacity: 135 kW

Design Life: 1,000,000 km on a typical UK bus cycle

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To read the latest news about our Bus KERS, please click here.

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Interested in Flybrid KERS?

To find out more about building Flybrid into your fleet please contact Joanna Brahova our Business Development Director:

Joanna Brahova

+44 (0) 7713 567 548

Joanna.Brahova@torotrak.com

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