METHOD FOR MANUFACTURING CORE STACKS AND ELECTROMAGNETIC MODULES BUILT AROUND THEM Russian patent published in 2001 - IPC

FIELD: electrical engineering. SUBSTANCE: method is used for manufacturing core built around ferromagnetic stack 8 and/or core incorporating such stack 8 and at least other module structural members 12, 13, 14. Novelty is that stack 8 is assembled of raw electric iron sheets and placed in shaping mold. Stack 8 is manufactured without using spacing members. During mixture injection in mold and partial or complete hardening of mixture (gelatination under pressure) in the course of single pass stack 8 is partially or completely surrounded by mixture to form anticorrosive layer. For producing a module stack 8 may be connected to structural members 12, 13, 14 in the course of same process and desired electrical, magnetic, mechanical, or geometric properties may be imparted to finished module due to formation of anticorrosive layer. EFFECT: facilitated manufacture, reduced cost and material input, enhanced mechanical strength and resistance to weather effects. 17 cl, 14 dwg