Over the course of a year, Sansone created a prototype of a novel synchronous reluctance motor that had greater rotational force—or torque—and efficiency than existing ones.

German automotive part maker Mahle is developing an electric motor that does not require permanent magnets, and so does not need rare earth elements. Like a permanent magnet synchronous motor, ...

After opening the base of the tree [EcProjects] found a 12 volt AC geared synchronous motor turning a multi colored translucent plastic disk.