Patent ID: 9197118
Filing Date: 2015-11-24
Classification: H02K

Abstract:
1. A rotary electric machine having hybrid-excitation, said machine comprising: a stator ( a rotor ( said permanent magnets (PM) being housed in respective first recesses (E said field coils (EC) being housed in respective second recesses (E said intermediate portion being located between said circumferential portion and a central portion (A) of said rotor ( each said field coil (EC) being inserted in a respective radial polar tooth (RT) forming a partition between two said consecutive second recesses (E each polar tooth (RT) being substantially aligned on a central radial axis (q) of the corresponding pole; said central radial axis (q) of each of said north and south poles arranged between two consecutive permanent magnets (PM); a ratio (Ln/Hm) of a polar tooth width (Ln) to a permanent magnet height (Hm) is between around 0.65 and around 1.