Patent ID: 6963151

Claim:
An electric motor comprising: a stator; a rotor supported for rotation within the stator; and a composite lamina arrangement provided on a surface of at least one motor component selected from the rotor and the stator comprising: (a) a first liquid barrier which is impervious to liquids comprising at least one layer of polymeric resin material containing reinforcing fibers wherein the first liquid barrier includes a veil cloth containing spun bonded polymeric fibers and a mat of chopped fibers embedded in a polymeric resin layer; (b) a strength element surrounding the first liquid barrier, and including at least one layer of polymeric resin material containing an array of continuous high strength, high modulus fibers extending continuously around the motor component; and (c) a second liquid barrier which is impervious to liquids surrounding the strength element and comprising at least one polymeric resin material containing reinforcing fibers.