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Multilayer radiation shield

United States Patent

7,548,000
June 16, 2009
View the Complete Patent at the US Patent & Trademark Office
A power generation system including: a generator including a rotor including a superconductive rotor coil coupled to a rotatable shaft; a first prime mover drivingly coupled to the rotatable shaft; and a thermal radiation shield, partially surrounding the rotor coil, including at least a first sheet and a second sheet spaced apart from the first sheet by centripetal force produced by the rotatable shaft. A thermal radiation shield for a generator including a rotor including a super-conductive rotor coil including: a first sheet having at least one surface formed from a low emissivity material; and at least one additional sheet having at least one surface formed from a low emissivity material spaced apart from the first sheet by centripetal force produced by the rotatable shaft, wherein each successive sheet is an incrementally greater circumferential arc length and wherein the centripetal force shapes the sheets into a substantially catenary shape.
Urbahn; John Arthur (Saratoga Springs, NY), Laskaris; Evangelos Trifon (Niskayuna, NY)
General Electric Company (Niskayuna, NY)
10/ 968,444
20060082228
October 18, 2004
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH & DEVELOPMENT This invention was made with Government support under contract number DE-FC36-02G011100 awarded by U.S. Department of Energy. The Government has certain rights in the invention.