• Goodyear unveils concept tire that recharges batteries

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    Heat generated by the rolling tire is transformed into electrical energy

    Heat generated by the rolling tire is
    transformed into electrical energy

    THE Goodyear Tire & Rubber Company unveiled two groundbreaking concept tires that could radically change the role of tires in the near future.

    The two tires, introduced during the 85th Geneva International Motor Show, are concept products that provide a glimpse of what practical innovations may be on the horizon.

    The first concept, named “BHO3,” offers the possibility of charging the batteries of electric cars by transforming the heat generated by the rolling tire into electrical energy. This tire generates electricity through the action of materials in the tire that capture and transform the energy created by heat when it flexes as it rolls during normal driving conditions. The materials used would optimize the tire’s electricity generation capabilities as well as its rolling resistance.

    As demand for electric cars grows, this technology has the potential to significantly contribute to the solution of future mobility challenges. This visionary tire technology could eliminate the vehicle-range anxiety motorists may have with electric cars.

    The second concept, called “Triple Tube,” contains three tubes that adjust tire inflation pressure in response to changing road conditions, delivering new levels of performance and versatility. This tire features three internal tubes within the tire. Tubes are located beneath the tread and near the inboard and outboard shoulders of the tire as well as the center. The tire relies on an internal pump that moves air from the main air chamber to the three individual air chambers, or tubes. The tire automatically adjusts – on its own – to three different positions based on road conditions: the Eco/Safety position – with maximum inflation in all three tubes – offers reduced rolling resistance; the Sporty position – with reduced inflation within the inboard shoulder tube – gives drivers dry handling through an optimized contact patch; and the Wet Traction position – with maximized inflation in the center tube – provides high aquaplaning resistance through a raised tread in the center of the tire.

    “These concept tires reimagine the role that tires may play in the future,” said Joe Zekoski, Goodyear’s senior vice president and chief technical officer. “We envision a future in which our products become more integrated with the vehicle and the consumer, more environmentally friendly and more versatile.”

    Although these tires are future concepts, Zekoski said they represent an essential aspect of Goodyear’s innovation strategy, instilling a forward-looking, market-back mindset in the company’s research and development teams.

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