Multiple patents granted for in-wheel electric drive

Protean Electric, a specialist in advanced in-wheel motors for the automotive industry, has been awarded 17 patents for the unique technology and design of its Protean Drive system. More than 60 additional patent applications have been filed internationally and with specific countries in North America, Europe and Asia. Protean Electric chairman and CEO Bob Purcell says his company’s in-wheel motor design is unlike conventional motors or combustion powertrains with electric motors added. "We started with a c
March 22, 2012 Read time: 2 mins

4173 Protean Electric, a specialist in advanced in-wheel motors for the automotive industry, has been awarded 17 patents for the unique technology and design of its Protean Drive system. More than 60 additional patent applications have been filed internationally and with specific countries in North America, Europe and Asia.

Protean Electric chairman and CEO Bob Purcell says his company’s in-wheel motor design is unlike conventional motors or combustion powertrains with electric motors added. "We started with a clean sheet and designed motors specifically for in-wheel applications," he said.

Protean claims its in-wheel motors have the highest torque density of any of today's leading electric propulsion systems. Each in-wheel motor can deliver 81 kW (110 hp) and 800 Nm (590 lb-ft), yet weighs only 31 kg (68 lbs.) and is sized to fit within the space of a conventional 18-inch road wheel. It is also claimed the drive also has superior regenerative braking capabilities, which allow up to 85 per cent of the available kinetic energy to be recovered during braking.

The company states its Protean Drive can increase fuel economy by over 30 per cent depending on the battery size and driving cycle. It is also powerful enough to be the only source for traction on a variety of vehicles.

Patents protecting Protean's innovations in technology and design already have been awarded in the United Kingdom and the United States. The company has filed additional patents in Europe, China, Malaysia, Japan, and India.

For more information on companies in this article

Related Content

  • Uruguay launches first ''zero emissions'' electric buses
    May 23, 2013
    Uruguay transit companies BUQUEBUS and CTS Auto have partnered with Chinese vehicle manufacturer, BYD to provide the first twelve metre rapid transit bus powered only by electricity in Uruguay and the region. The BYD electric bus integrates several technologies including two in-wheel electric motors capable of a cruising speed over 88 km/h and what it said to be the first of its kind, an environmentally-friendly iron-phosphate battery. This drive system provides a range of over 250 km (155 miles) – nearly t
    Read More
  • In-vehicle systems as enforcement enablers?
    January 30, 2012
    From an enforcement perspective at least, Toyota's recent recalls over problems with accelerator pedal assemblies had a positive outcome in that for the first time a major motor manufacturer outside of the US acknowledged publicly what many have known or suspected for quite a while: that the capability exists within certain car companies to extract data from a vehicle onboard unit which can be used to help ascertain, if not prove outright, just what was happening in the vital seconds up to an accident or cr
    Read More
  • The cost benefits of LED traffic signals
    July 16, 2012
    On 11 January 2005, the Kentucky Transportation Cabinet (KYTC) began installing GELcore LED traffic signal modules state-wide through an Energy Savings Performance Contract. In tendering for the work, the energy service contractors could choose any manufacturers equipment but all of them proposed to use the GELcore brand.
    Read More
  • Hard data supports traffic monitoring
    April 30, 2024
    A collaboration between AGD Systems and North Line Canada has demonstrated the value of traffic experts putting their heads together to improve pedestrian safety
    Read More

Highlighted Content