US 7,547,999 B2
	Superconducting multi-pole electrical machine
Evangelos Trifon Laskaris, Schenectady, N.Y. (US); James Pelligrino Alexander, Ballston, N.Y. (US); and Kiruba Sivasubramaniam, Troy, N.Y. (US)
Assigned to General Electric Company, Niskayuna, N.Y. (US)
Filed on Apr. 28, 2003, as Appl. No. 10/249,641.
Prior Publication US 2004/0212258 A1, Oct. 28, 2004
Int. Cl. H02K 9/00 (2006.01)

U.S. Cl. 310—52  [310/54]

11 Claims

1. A rotor for an electrical motor/generator, comprising: at least one cryogenic temperature coil wound around a coil form, the coil form being fixed to a pole tip of the rotor in such a manner as to accommodate thermal contraction of the at least one cryogenic-temperature coil relative to the pole tip wherein the coil form is fixed to the pole tip of the rotor by at least one bracket slidably attached to the pole tip.