Permanent magnet rotor assembly

Details Permanent magnet rotor assembly Permanent magnet rotor assembly

H - Electricity

02

K

310/117, 310/73

H02K 15/02 (2006.01) H02K 1/27 (2006.01) H02K 21/46 (2006.01) H02K 23/04 (2006.01)

Patent

CA 1310056

ABSTRACT OF THE DISCLOSURE A rotor assembly for permanent magnet motors or dynamoelectric machines in general includes a set of laminations forming a rotor body, each lamination having a plurality of V-shaped slots therein. The laminations are rotationally skewed with respect to one another. A rotor shaft is longitudinal to the rotor body. A generally rectangular permanent magnet is disposed in each leg of the V-shaped slots, the slots of each lamination being shaped so as to receive the rectangular permanent magnet through all the skewed laminations with a minimum air gap. Each slot is generally wider at each end of each leg and tapers to a waist near the midpoint of the leg.

616032

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