Pancake armature

Details Pancake armature Pancake armature

H - Electricity

02

K

310/114, 310/96,

H02K 3/04 (2006.01) H02K 3/26 (2006.01) H02K 3/28 (2006.01)

Patent

CA 1303109

0611p Uka Case 1 Pancake Armature Abstract of Disclosure A pancake armature suitable for use in an electric motor and a method for making it are described. The armature com- prises a rigid laminate constituted by two or more pairs of half-turn electric circuit patterns etched or deposited on three or more insulating separators and electrically inter- connected by through-hole conductive connections each passing through one insulating separator to unite the printed electric circuit patterns into a single continuous electrical circuit. The method for making the armature includes the steps of ap- plying an outer insulating separator and a sheet of conductive material to each face of a pair of half-turn electric circuit patterns etched or deposited on a self-supporting insulating separator, applying heat and pressure to adhere the layers of the assembly together, and electrically connecting all the half-turn electric circuit patterns by through-hole conductive connections each passing through an insulating separator to unite the printed electric circuit patterns into a single con- tinuous electrical circuit.

560890

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