Patent ID: 6320492
Filing Date: 2001-11-20
Classification: H01F

Abstract:
A wound core for use in a transformer having at least one core securing structure, comprising,an electromagnetic plate, having a longitudinal shape defined by a first end and a second end, said electromagnetic plate formed into a cylindrical shape by winding the electromagnetic plate a predetermined number of times about a winding axis;wherein, said first end is closer to said winding axis than said second end when said plate is wound; andwherein said electromagnetic plate comprises an engageable portion which is provided at said first end of the electromagnetic plate so as to project towards said winding axis, said engageable portion securing said electromagnetic plate at said first end to at least said core securing structure,wherein said projection is formed by a bent portion of said electromagnetic plate, and wherein said bent portion of said electromagnetic plate is formed by bending said plate at an angle approximately 180 degrees.