Patent ID: 11942843
Assignee: EAST WEST MANUFACTURING, LLC
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 1:
2. A rotor for an internal rotor EC motor comprising:
a. a central hub connected to an axis for rotation;
b. outwardly extending silicon steel laminates positioned around the circumference of the rotor and spaced circumferentially around the rotor with gaps between adjacent silicon steel laminates;
c. first permanent magnets interposed in the gaps between the silicone steel laminates; and
d. second permanent magnets aligned radially with the silicon steel laminates and positioned between the steel laminates and the central hub of the rotor,
wherein adjacent second wedge-shaped permanent magnets have a step on each side that create a recess that accommodates the first rectangular permanent magnet.