Protean Secures Funding Moving Its Electric In Hub Wheel Forward
The Protean Electric company is a global player in the development and commercialization of in-wheel electric drive systems. The company has secured $84 million in new funding from a few ventures capitals and cities. GSR Ventures, New Times Group, Oak Investment Partners and the city of Liyang, Jiangsu Province, China have given the company a vote of confidence and the money will go for production of its in-hub electric wheel at the manufacturing facilities in Liyang.
Technically Speaking. The fuel economy improvements, according to Protean are substantial depending on which type of vehicle you use, up to 30%, which also depends on battery size. It is, as of today the highest torque density than any of today's leading electric propulsion systems with 81 kW, 110 hp and 800 Nm, 590 lb.-ft. of torque in each motor. The weight of 68 lb, 31 kg per motor and fits within the space of a conventional 18- to 24-inch road wheel. Its regenerative braking capabilities allow up to 85% of the available kinetic energy to be recovered during braking and the company plans to begin its prototype motor production early next year in China with an anticipated full volume in 2014.
Protean’s Wheel. In my interview with Ken Stewart, Ken explained how Protean’s electric in-wheel system differs slightly from Michelin’s Active Wheel in that it takes an electric motor and turns it around into a wheel. But Protean’s system goes even further by offering redundancy by segmenting parts of the in-hub motor in case of highly improbable failures. The system was demonstrated on Mercedes BRABUS full electric and hybrid vehicles, and featured at the 2011 Frankfurt Motor Show, as well as demonstration vehicles, a Ford F150 pick-up truck, Volvo C30, Vauxhall Vivaro cargo van, and a Guangzhou Automobile Company Trumpchi.
Bob Purcell, chairman and CEO of Protean Holdings Corp. was quoted as saying: "We will have the capability to directly supply our motors at lower volume levels, while providing licenses to our higher volume customers and partners." "We have a very unique value proposition: We can create hybrid and electric drive vehicle options, on the vehicles that people like to drive," Purcell said. "We can provide more power, better fuel economy, easier integration, and lower cost. The Protean Electric drive system is probably as close as the industry will ever get to a bolt-on solution."