Stator core assembly

Details Stator core assembly Stator core assembly

H - Electricity

02

K

H02K 1/18 (2006.01) H02K 1/12 (2006.01) H02K 1/20 (2006.01)

Patent

CA 2058803

PATENT PD-0818 ABSTRACT OF THE DISCLOSURE In a stator core assembly composed of a plurality of steel punchings, and a plurality of fastening devices including bolts holding the punchings together in a stack and pressing adjacent punchings against one another, the bolts being of a material having a coefficient of thermal expansion different from that of the steel punchings, the bolts are constituted by hollow tubes and the assembly further includes a temperature control device for introducing a fluid having a selected temperature to the interior of the tubes in order to minimize temperature dependent changes in the compressive force exerted by the fastening devices on the stack.

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