Motor including embedded permanent magnet-rotor

Details Motor including embedded permanent magnet-rotor Motor including embedded permanent magnet-rotor

H - Electricity

02

K

H02K 21/12 (2006.01) H02K 1/22 (2006.01) H02K 1/27 (2006.01) H02K 15/03 (2006.01) H02K 21/14 (2006.01) H02K 5/173 (2006.01) H02K 5/22 (2006.01) H02K 7/04 (2006.01) H02K 7/20 (2006.01)

Patent

CA 2181161

An electric motor (10) including a permanent-magnet rotor (17) having embedded magnets (220) held in place by several segments. The embedded magnets are secured by segments (210) including non-circular openings (270) near their centers. Several non-magnetic, non-conductive bars (230) extend through the non-circular openings of the segments (210) to secure the segments (210) in relation to the shaft (80). The motor (10) is capable of producing high torque while only requiring a minimum amount of space.

Moteur électrique (10) comprenant un rotor à aimants permanents (17) comportant des aimants noyés (220) maintenus en place par plusieurs segments. Les aimants noyés sont fixés par des segments (210) comprenant des ouvertures non circulaires (270) situées à proximité de leurs centres. Plusieurs barres non conductrices et non magnétiques (230) s'étendent à travers les ouvertures non circulaires des segments (210) pour fixer ceux-ci par rapport à l'axe (80). Le moteur (10), qui présente un encombrement très limité, peut produire un couple élevé.

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