Stator core having waved laminations

H - Electricity – 02 – K

Patent

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310/115

H02K 5/04 (2006.01) H02K 1/16 (2006.01) H02K 1/18 (2006.01) H02K 15/14 (2006.01)

Patent

CA 1265836

ABSTRACT A stator core for an electrical machine has laminations with a wave-shaped surface. The waves in the stator laminations in the cold core causes the tangential heat expansion of the core to be distributed over a number of the waves which increases each wave height only slightly. This prevents the system from reching a stability limit or permanent deformation.

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