Patent ID: 7294788
Filing Date: 2007-11-13
Classification: H02K

Abstract:
1. A coil for an electric rotating machine, comprising: a conductor configured by bundling a plurality of square strands and stacking the square strands like a coil with Roebel transposition; mica tape which is wound a plurality of layers around a surface of the conductor and made up of mica paper and cloth backing material; an insulation layer formed with impregnating and curing resin between wound layers of the mica tape; and inorganic particles supported with the mica tape using an adhesive containing a first component having mutual dissolubility with the impregnating resin and a second glue component insoluble in the impregnating resin, wherein the second glue component contained in the adhesive is 0.5 wt % to 5 wt % with respect to the adhesive.