Institut Vedecom

Franck Vangraefschepe

Tahar Hamiti

Raouf Benlamine

The present invention concerns a brushless electric machine with a rotor having interior permanent magnets, characterised in that the rotor consists of a tubular core (), said core () having N pairs of longitudinal slots () having trapezoidal cross-section, a width Land a length L, where L/L is between 0.25 and 0.35, the two slots () of a pair extending on either side of the median radial plane, at an angle of 7.5&#xb0;&#xb1;1.5&#xb0;, the core having, in the region of convergence of each pair of slots, a longitudinal channel () opening on either side of the front ends of the core ().

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Nanterre, France

Franck Vangraefschepe