A superconducting machine of the type having a stator assembly and a rotor assembly that rotates within the stator assembly and is spaced from the stator assembly by a gap is disclosed. This arrangement can be used, for example, to produce a superconducting motor or generator. In one aspect of the invention,...http://www.google.ca/patents/US6597082?utm_source=gb-gplus-sharePatent US6597082 - HTS superconducting rotating machine
