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U.K. Firm Inks Deal to Develop Low-Cost Electric Motors

Yasa Ltd. says it has signed an agreement with an unnamed carmaker to develop the U.K. startup’s axial-flux electric motor technology for hybrid and pure electric vehicles.
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Yasa Ltd. says it has signed an agreement with an unnamed carmaker to develop the U.K. startup’s axial-flux electric motor technology for hybrid and pure electric vehicles.

Founded in 2009, Yasa claims its patented design provides best-in-class power and torque. The motors use powdered iron metals to help reduce the amount of copper, iron and permanent magnetic materials, which the company says “significantly” lowers costs.

As the name suggests, the yokeless-and-segmented-armature (Yasa) axial flux motor has no stator yoke. Instead, the system uses a series of magnetically separated segments that form the stator of the machine.

Last year Yasa opened a manufacturing plant in Oxford, England, that has capacity to make as many as 100,000 motors per year. In addition to automotive applications, the company is working with Rolls-Royce plc to provide electric motors for an all-electric airplane due next year.

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