Patent ID: 9633774
Date: 2017-04-25
CPC Classifications: H01F,Y10T

Claim:
1. An magnetic assembly comprising: a printed circuit board forming opposite input pad region and output pad region and a core mounting region therebetween in a first direction, each of said input pad region and said output pad region including a plurality of conductive pads along a second direction perpendicular to said first direction; a toroidal core mounted upon the core mounting region; four pairs of wires wound upon the toroidal core and categorized with a positive input, a negative input, a positive output, and a negative output, each of the four pairs at least being twisted alone; the pair of the positive input and the pair of the negative input having corresponding first input ends respectively soldered to the corresponding conductive pads on the input pad region, approaching the core around position while winding thereon in opposite clockwise and counterclockwise directions with regard to a cross-section of said toroidal core, respectively, and gradually leaving away from each other along a surface path of said core in opposite clockwise and counterclockwise directions with regard to an elevational view of said toroidal core viewed along an axial direction, and finally reunited together and twisted together before corresponding second input ends of said pair of positive input and that of negative input being soldered to the corresponding conductive pad; similarly the pair of positive output and the pair of negative output having corresponding first output ends respectively soldered upon the corresponding conductive pads on the output region, approaching the core around another position while winding thereon in opposite clockwise and counterclockwise directions with regard to said cross-section of said toroidal core, respectively, and gradually leaving away from each other along said surface path of said core in opposite clockwise and counterclockwise directions with regard to the elevational view of said toroidal core viewed along the axial direction, and finally reunited together and twisted together before corresponding second output ends of said pair of positive output and that of negative output being soldered to the corresponding conductive pad; wherein the two pairs rotating in the same clockwise direction are further twisted together and the other two pairs rotating in the same counterclockwise direction are further twisted together.