Patents by Inventor Yi-Yuan Xie
Yi-Yuan Xie has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 8716188Abstract: A superconducting article includes first and second stacked conductor segments. The first stacked conductor segment includes first and second superconductive segments and has a nominal thickness tn1. The second stacked conductor segment includes third and forth superconductive segments and has a nominal thickness tn2. The superconducting article further includes a joint region comprising a first splice connecting the first and third superconductive segments together and a second splice connecting the second and forth superconductive segments together. The first splice is adjacent to and bridged portions of the first and third superconductive segments along at least a portion of the joint region, and the second splice is adjacent to and bridged portions of the second and forth superconductive segments along at least a portion of the joint region. The joint region has a thickness tjr, wherein tjr is not greater than at least one of 1.8tn1 and 1.8tn2.Type: GrantFiled: September 15, 2010Date of Patent: May 6, 2014Assignee: SuperPower, Inc.Inventors: Yi-Yuan Xie, Kenneth P. Lenseth, Justin Waterman, Venkat Selvamanickam
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Publication number: 20130040820Abstract: A fault current limiting (FCL) article comprising a superconducting tape segment comprising a substrate, a buffer layer overlying the substrate, a high temperature superconducting (HTS) layer overlying the buffer layer, and a heat sink overlying the HTS layer, where the heat sink is comprised of a non-metal material, a thermal conductivity of not less than about 0.1 W/m-K at 20° C., an electrical resistivity of not less than about 1E-5 ?-m at 20° C., and a shunting circuit electrically connected to the superconducting tape segment.Type: ApplicationFiled: August 12, 2011Publication date: February 14, 2013Applicant: SuperPower, Inc.Inventors: Venkat Selvamanickam, Xun Zhang, Yi-Yuan Xie, Drew W. Hazelton
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Publication number: 20120065074Abstract: A superconducting article includes first and second stacked conductor segments. The first stacked conductor segment includes first and second superconductive segments and has a nominal thickness tn1. The second stacked conductor segment includes third and forth superconductive segments and has a nominal thickness tn2. The superconducting article further includes a joint region comprising a first splice connecting the first and third superconductive segments together and a second splice connecting the second and forth superconductive segments together. The first splice is adjacent to and bridged portions of the first and third superconductive segments along at least a portion of the joint region, and the second splice is adjacent to and bridged portions of the second and forth superconductive segments along at least a portion of the joint region. The joint region has a thickness tjr, wherein tjr is not greater than at least one of 1.8 tn1 and 1.8 tn2.Type: ApplicationFiled: September 15, 2010Publication date: March 15, 2012Applicant: SUPERPOWER, INC.Inventors: Yi-Yuan Xie, Kenneth P. Lenseth, Justin Waterman, Venkat Selvamanickam
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Patent number: 7854057Abstract: A method of facilitating superconducting tape manufacturing is provided that includes forming a long-length superconducting tape having a layered structure, comprising a substrate having a dimension ratio not less than about 100, a buffer layer overlying the substrate, and a high temperature superconducting layer overlying the buffer layer. The method further includes characterizing the superconducting tape to create a data set having a plurality of values that are a function of length of the superconducting tape and distributing both the superconducting tape and the data set.Type: GrantFiled: December 28, 2005Date of Patent: December 21, 2010Assignee: SuperPower Inc.Inventors: Yi-Yuan Xie, Venkat Selvamanickam, Jason Madison Duval
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Patent number: 7774035Abstract: A superconducting article includes a substrate; first and second buffer layers overlying the substrate, such that the substrate is positioned so as to be interposed between the first and second buffer layers, first and second superconductor layers overlying the first and second buffer layers. Further, the first and second stabilizer layers respectively overlying the first and second superconductor layers, the first and second stabilizer layers adapted to conduct current and prevent burnout of the first and second superconductor layers when the first and second superconductor layers are in a non-superconductive state.Type: GrantFiled: September 18, 2006Date of Patent: August 10, 2010Assignee: SuperPower, Inc.Inventors: Hee-Gyoun Lee, Yi-Yuan Xie
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Publication number: 20100173784Abstract: A superconducting article includes a substrate; first and second buffer layers overlying the substrate, such that the substrate is positioned so as to be interposed between the first and second buffer layers, first and second superconductor layers overlying the first and second buffer layers. Further, the first and second stabilizer layers respectively overlying the first and second superconductor layers, the first and second stabilizer layers adapted to conduct current and prevent burnout of the first and second superconductor layers when the first and second superconductor layers are in a non-superconductive state.Type: ApplicationFiled: September 18, 2006Publication date: July 8, 2010Applicant: SUPERPOWER, INC.Inventors: Hee-Gyoun Lee, Yi-Yuan Xie
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Patent number: 7554317Abstract: A method for testing a superconducting coated conductor is disclosed. The method includes providing a superconducting coated conductor having an dimension ratio of not less than about 102; and measuring a voltage over a plurality of segments of the superconducting article while applying a constant current Icc.Type: GrantFiled: September 24, 2004Date of Patent: June 30, 2009Assignee: SuperPower, Inc.Inventors: Yi-Yuan Xie, Hee-Gyoun Lee, Venkat Selvamanickam
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Patent number: 7417192Abstract: A superconductor component is disclosed, which notably includes a superconducting conductor, the conductor including a core and superconductor layer overlying the core. The core generally has a circular cross-section, and the superconductor layer may cover a substantial portion of the core.Type: GrantFiled: September 22, 2005Date of Patent: August 26, 2008Assignee: Superpower, Inc.Inventors: Venkat Selvamanickam, Yi-Yuan Xie
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Publication number: 20070232500Abstract: A superconductor component is disclosed, which notably includes a superconducting conductor, the conductor including a core and superconductor layer overlying the core. The core generally has a circular cross-section, and the superconductor layer may cover a substantial portion of the core.Type: ApplicationFiled: September 22, 2005Publication date: October 4, 2007Applicant: SUPERPOWER, INC.Inventors: Venkat Selvamanickam, Yi-Yuan Xie
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Publication number: 20070149411Abstract: A method of facilitating superconducting tape manufacturing is provided that includes forming a long-length superconducting tape having a layered structure, comprising a substrate having a dimension ratio not less than about 100, a buffer layer overlying the substrate, and a high temperature superconducting layer overlying the buffer layer. The method further includes characterizing the superconducting tape to create a data set having a plurality of values that are a function of length of the superconducting tape and distributing both the superconducting tape and the data set.Type: ApplicationFiled: December 28, 2005Publication date: June 28, 2007Applicant: SUPERPOWER, INC.Inventors: Yi-Yuan Xie, Venkat Selvamanickam, Jason Duval
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Patent number: 7109151Abstract: A superconducting tape is disclosed, including a substrate, a buffer layer overlying the substrate, a superconductor layer overlying the buffer layer, and stabilizer layers overlying opposite sides of the tape. Also disclosed are components incorporating superconducting tapes, methods for manufacturing same, and methods for using same.Type: GrantFiled: May 16, 2005Date of Patent: September 19, 2006Assignee: SuperPower, Inc.Inventors: Hee-Gyoun Lee, Yi-Yuan Xie
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Patent number: 7071148Abstract: A superconducting article includes a first superconductive segment having a nominal thickness tn1, a second superconductive segment having a nominal thickness tn2, and a joint region comprising a splice connecting the first and second superconductive segments together. The splice overlies portions of both the first and second superconductive segments along the joint region, the joint region having a thickness tjr, wherein tjr is not greater than at least one of 1.8 tn1 and 1.8 tn2.Type: GrantFiled: April 8, 2005Date of Patent: July 4, 2006Assignee: Superpower, Inc.Inventors: Venkat Selvamanickam, Yi-Yuan Xie, Allan Robert Knoll
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Publication number: 20060079403Abstract: A superconducting tape is disclosed, including a substrate, a buffer layer overlying the substrate, a superconductor layer overlying the buffer layer, and stabilizer layers overlying opposite sides of the tape. Also disclosed are components incorporating superconducting tapes, methods for manufacturing same, and methods for using same.Type: ApplicationFiled: May 16, 2005Publication date: April 13, 2006Applicant: SUPERPOWER, INC.Inventors: Hee-Gyoun Lee, Yi-Yuan Xie
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Publication number: 20060073977Abstract: A method for testing a superconducting coated conductor is disclosed. The method includes providing a superconducting coated conductor having an dimension ratio of not less than about 102; and measuring a voltage over a plurality of segments of the superconducting article while applying a constant current Icc.Type: ApplicationFiled: September 24, 2004Publication date: April 6, 2006Inventors: Yi-Yuan Xie, Hee-Gyoun Lee, Venkat Selvamanickam
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Publication number: 20040266628Abstract: A superconducting tape is disclosed, including a substrate, a buffer layer overlying the substrate, a superconductor layer overlying the buffer layer, and an electroplated stabilizer layer overlying the superconductor layer. Also disclosed are components incorporating superconducting tapes, methods for manufacturing same, and methods for using same.Type: ApplicationFiled: June 27, 2003Publication date: December 30, 2004Applicant: SuperPower, Inc.Inventors: Hee-Gyoun Lee, Yi-Yuan Xie