|4473765||Electrostatic grading layer for the surface of an electrical insulation exposed to high electrical stress|
A grading layer for a slot armor in an electric machine employs a layer of semi-conducting particles of silicon carbide bonded to the face of insulation of the slot armor. A layer of a tough high temperature paper such as an aramid paper separates the sil...
|4103195||Bonded laminations forming a stator core|
Lamination of the stator core is accomplished by stacking the core with a series of segments or punchings of steel each of which is insulated with a layer of adhesive enamel on both sides. The adhesive enamel is comprised of an epoxy resin and a sufficien...