Closed slot rotor construction

H - Electricity – 02 – K

Patent

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310/97

H02K 1/26 (2006.01) H02K 17/16 (2006.01)

Patent

CA 1285980

CLOSED SLOT ROTOR CONSTRUCTION ABSTRACT OF THE DISCLOSURE A rotor lamination for use in a dynamo-electric machine of the kind having a stacked laminated rotor, is formed of a flat circular plate of ferromagnetic material having a number of equally circumferentially spaced closed slots. Each of the lots is substantially V shaped at an upper slot region near the circumference of the plate, and is symmetrical about a radial center line. Each leg of the V forms an angle of about 30 degrees with respect to a line drawn perpendicular to the radial center line of the slot.

561099

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