Patent ID: 9263178
Filing Date: 2016-02-16
CPC Classification: H01F

Claim Text:
1. A coil structure comprising: a first wire rod including a first coil portion and a first lead wire portion, the first coil portion winding around a coil axis in a first space, the first lead portion being connected to the first coil portion; a second wire rod including a second coil portion, the second coil portion winding around the coil axis in a second space, the second space being aligned with the first space along the coil axis; and an insulating structure including a first insulating section, the first insulating section insulating the first coil portion from the second coil portion, wherein: the first lead wire portion extends through the second space; and the insulating structure fixes the first lead wire portion at a position, the position being away from the second coil portion by not less than a minimum creepage distance between the first coil portion and the second coil portion, the minimum creepage distance being defined by the first insulating section.