Patents by Inventor Tae Kuk Ko
Tae Kuk Ko 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: 10373750Abstract: The present invention relates to an apparatus of generating momentum which drives an object. The present invention provides a momentum generating apparatus in which a pair of high temperature superconducting coils which are wound in different directions and have different superconducting properties are arranged in parallel and the same current flows in the pair of coils to be in a stable state where magnetic fields generated in the coils are cancelled and an asymmetric current is suddenly applied to the pair of coils through a switching operation to generate a magnetic field and an eddy current is induced in a plate due to the generated magnetic field and the plate is floated using a repulsive force between the magnetic field generated in the plate due to the eddy current and the magnetic field generated in the pair of coils, to instantaneously generate force using a small amount of superconducting coils.Type: GrantFiled: June 24, 2015Date of Patent: August 6, 2019Assignee: INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITYInventors: Tae Kuk Ko, Ji Ho Lee, Woo Seung Lee, Hyung Jun Kim, Seok Ho Nam, Young Gun Park, Jin Sub Kim
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Patent number: 10049792Abstract: Provided is a current lead wire using a superconducting tape. The current lead wire may comprise a first superconducting tape that electrically connects the first terminal and the second terminal; a second superconducting tape that is arranged in parallel with the first superconducting tape to electrically connect the first terminal with the second terminal; and a third superconducting tape that electrically connects the first superconducting tapes with the second superconducting tape.Type: GrantFiled: September 30, 2013Date of Patent: August 14, 2018Assignee: Industry-Academic Cooperation of Yonsei UniversityInventors: Tae Kuk Ko, Woo Seung Lee, Hyun Chul Jo, Young Jin Hwang, Ji Ho Lee, Seok Ho Nam
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Patent number: 9780609Abstract: A superconducting synchronous motor having a simple and stable structure is provided. The superconducting synchronous motor according to one embodiment of the present invention comprises: a rotary shaft; a rotation core mounted at the rotary shaft so as to be rotated by connecting with the rotary shaft; and hooked magnetic poles extending from one end of the rotation core in a longitudinal direction. Each of the hooked magnetic poles is composed of first and second inductors of a magnetic material alternately engaged with each other and a superconducting wire to be wound, and comprises a first superconducting field winding and a second superconducting field winding fixed closely at the other end of a first inductor rotation core and the other end of a second inductor rotation core, respectively. Each of the first superconducting field winding and the second superconducting field winding excites the first inductor and the second inductor to different poles.Type: GrantFiled: March 28, 2013Date of Patent: October 3, 2017Assignee: INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITYInventors: Tae Kuk Ko, Young Jin Hwang, Jin Bae Na, Sukjin Choi, Hyun Chul Jo, Jae Young Jang, Hyung Jun Kim, Jiho Lee
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Publication number: 20160217889Abstract: Provided is a current lead wire using a superconducting tape. The current lead wire may comprise a first superconducting tape that electrically connects the first terminal and the second terminal; a second superconducting tape that is arranged in parallel with the first superconducting tape to electrically connect the first terminal with the second terminal; and a third superconducting tape that electrically connects the first superconducting tapes with the second superconducting tape.Type: ApplicationFiled: September 30, 2013Publication date: July 28, 2016Inventors: TAE KUK KO, Woo Seung Lee, Hyun Chul Jo, Young Jin Hwang, Ji Ho Lee, Seok Ho Nam
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Publication number: 20160211063Abstract: Provided is a reverse magnetization structure of a DC reactor and a reverse magnetization method using a superconducting bulk thereof. The reverse magnetization structure of a DC reactor may comprise an iron-core; a DC reactor coil located on a primary side of the iron-core; and a superconducting bulk located on a secondary side of the iron-core.Type: ApplicationFiled: September 4, 2013Publication date: July 21, 2016Inventors: Tae Kuk Ko, Seung Je Lee, Ji Ho Lee, Hyun Chul Jo, Young Jin Hwang, Woo Seung Lee, Seok Ho Nam
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Publication number: 20160123703Abstract: The present invention relates to an apparatus of generating momentum which drives an object. The present invention provides a momentum generating apparatus in which a pair of high temperature superconducting coils which are wound in different directions and have different superconducting properties are arranged in parallel and the same current flows in the pair of coils to be in a stable state where magnetic fields generated in the coils are cancelled and an asymmetric current is suddenly applied to the pair of coils through a switching operation to generate a magnetic field and an eddy current is induced in a plate due to the generated magnetic field and the plate is floated using a repulsive force between the magnetic field generated in the plate due to the eddy current and the magnetic field generated in the pair of coils, to instantaneously generate force using a small amount of superconducting coils.Type: ApplicationFiled: June 24, 2015Publication date: May 5, 2016Inventors: Tae Kuk KO, Ji Ho LEE, Woo Seung LEE, Hyung Jun KIM, Seok Ho NAM, Young Gun PARK, Jin Sub KIM
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Publication number: 20150130303Abstract: A superconducting synchronous motor having a simple and stable structure is provided. The superconducting synchronous motor according to one embodiment of the present invention comprises: a rotary shaft; a rotation core mounted at the rotary shaft so as to be rotated by connecting with the rotary shaft; and hooked magnetic poles extending from one end of the rotation core in a longitudinal direction. Each of the hooked magnetic poles is composed of first and second inductors of a magnetic material alternately engaged with each other and a superconducting wire to be wound, and comprises a first superconducting field winding and a second superconducting field winding fixed closely at the other end of a first inductor rotation core and the to other end of a second inductor rotation core, respectively. Each of the first superconducting field winding and the second superconducting field winding excites the first inductor and the second inductor to different poles.Type: ApplicationFiled: March 28, 2013Publication date: May 14, 2015Applicant: Industry-Academic Cooperation Foundation, Yonsei UniversityInventors: Tae Kuk Ko, Young Jin Hwang, Jin Bae Na, Sukjin Choi, Hyun Chul Jo, Jae Young Jang, Hyung Jun Kim, Jiho Lee
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Patent number: 8344835Abstract: The method of winding superconducting wire comprises a winding method comprising: winding the superconducting wire from the source reel onto the first lane of the first bobbin a first number of times in a first direction; fixing the first bobbin and the second bobbin to each other; winding the superconducting wire from the source reel onto the third lane of the second bobbin a second number of times in the first direction; separating the first bobbin and the second bobbin from each other; and winding the superconducting wire from the first lane of the first bobbin onto the fourth lane of the second bobbin a third number of times in a second direction which is different from the first direction while winding the superconducting wire from the third lane of the second bobbin onto the source reel the third number of times in the second direction.Type: GrantFiled: March 30, 2012Date of Patent: January 1, 2013Assignee: Industry-Academic Cooperation Foundation, Yonsel UniversityInventors: Tae Kuk Ko, Jae Sik Kang, Hyun Chul Jo, Suk Jin Choi, Jin Bae Na, Jae Young Jang, Young Jin Hwang, Hyung Jun Kim
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Publication number: 20120286084Abstract: A bobbin for layer winding of superconducting wire and a layer winding method using the same are provided. The bobbin for layer winding of superconducting wire includes a cylindrical bobbin body on which the superconducting wire is wound, and a plurality of spacers having a fan-shaped periphery to guide the superconducting wire, wherein a plurality of layers are formed on the cylindrical bobbin body by the spacers.Type: ApplicationFiled: May 26, 2011Publication date: November 15, 2012Inventors: TAE-KUK KO, Hyun-Chul Jo, Suk-Jin Choi, Jin-Bae Na, Jae-Young Jang, Young-Jin Hwang
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Patent number: 7675719Abstract: The present invention provides a current limiting module and a hybrid current limiter using different kinds of superconducting wires. The current limiting module includes a first superconducting wire that is wound in a predetermined direction, and a second superconducting wire that has quench characteristic different from the first superconducting wire and is wound to generate magnetic flux in a direction opposite to magnetic flux induced by the first superconducting wire. According to the present invention, inductance is generated due to unequal supply of fault current. Therefore, it is possible to prevent current from being suddenly increased, and to reduce the number of superconducting wires required to manufacture the current limiting module. Further, the hybrid current limiter does not need to include a separate coil for operating a fast switch.Type: GrantFiled: February 25, 2008Date of Patent: March 9, 2010Assignee: Industry-Academic Corporation Foundation, Yonsie UniversityInventors: Tae-Kuk Ko, Dong-Keun Park, Seong-Eun Yang, Young-Jae Kim, Ki-Sung Chang, Min-Cheol Ahn, Bok-Yeol Seok
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Patent number: 7589941Abstract: A fault current limiter comprises a pancake type current limiting module, comprising at least two pancake type bifilar winding modules stacked and connected to each other in series, each of the bifilar winding modules having a bobbin, a first superconducting wire wound around the bobbin in a bifilar manner, and at least one pair of first metal blocks installed and fixed to the bobbin and attached to the first superconducting wire; and a superconducting bypass reactor that has the current limiting module disposed therein, and is connected in parallel with the current limiting module.Type: GrantFiled: December 6, 2006Date of Patent: September 15, 2009Assignee: Industry-Academic Cooperation Foundation, Yonsei UniversityInventors: Dong-Keun Park, Min-Choel Ahn, Seong-Eun Yang, Tae-Kuk Ko
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Publication number: 20090190274Abstract: The present invention provides a current limiting module and a hybrid current limiter using different kinds of superconducting wires. The current limiting module includes a first superconducting wire that is wound in a predetermined direction, and a second superconducting wire that has quench characteristic different from the first superconducting wire and is wound to generate magnetic flux in a direction opposite to magnetic flux induced by the first superconducting wire. According to the present invention, inductance is generated due to unequal supply of fault current. Therefore, it is possible to prevent current from being suddenly increased, and to reduce the number of superconducting wires required to manufacture the current limiting module. Further, the hybrid current limiter does not need to include a separate coil for operating a fast switch.Type: ApplicationFiled: February 25, 2008Publication date: July 30, 2009Applicant: Industry-Academic Cooperation Foundation, Yonsei UniverstyInventors: Tae-Kuk Ko, Dong-Keun Park, Seong-Eun Yang, Young-Jae Kim, Ki-Sung Chang, Min-Cheol Ahn, Bok-Yeol Seok
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Patent number: 7301425Abstract: The present invention discloses a pancake-type bifilar winding module using a superconducting wire and a winding bobbin therefor.Type: GrantFiled: March 10, 2006Date of Patent: November 27, 2007Assignee: Industry-Academic Cooperation Foundation, Yonsei UniversityInventors: Tae Kuk Ko, Duck Kwon Bae, Min Cheol Ahn
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Publication number: 20070217097Abstract: A fault current limiter is disclosed. The fault current limiter of the present invention includes a current limiting module and a superconducting bypass reactor. The current limiting module includes at least two pancake type bifilar winding modules, which are stacked and connected to each other in series. Each bifilar winding module has a bobbin, a first superconducting wire wound around the bobbin in a bifilar manner, and at least one pair of first metal blocks, which are installed and fixed to the bobbin and attached to the first superconducting wire. The superconducting bypass reactor is formed into a hollow shape so that the current limiting module can be disposed therein. A second superconducting wire is wound around the bypass reactor such that the superconducting bypass reactor is connected in parallel with the current limiting module.Type: ApplicationFiled: December 6, 2006Publication date: September 20, 2007Applicant: Industry-Academic Cooperation Foundation Yonsei UniversityInventors: Dong-Keun Park, Min-Choel Ahn, Seong-Eun Yang, Tae-Kuk Ko
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Publication number: 20070200654Abstract: Disclosed herein is a non-inductive winding wire-type solenoid bobbin. The bobbin includes a cylindrical bobbin body, winding grooves formed on an outer circumferential surface of the bobbin body at regular intervals, and a connection channel provided on one side of each of the winding grooves. According to the present invention, an inner wire is in direct contact with liquid nitrogen through the connection channel, thus increasing the cooling effect when an electrical power system experiences trouble, and a superconducting fault current limiter including the bobbin limits a current, therefore minimizing damage to the inner wire, and makes a fast recovery after the fault current is limited to allow the current to resume flowing in the system.Type: ApplicationFiled: December 6, 2006Publication date: August 30, 2007Inventors: Seong-Eun Yang, Min-Choel Ahn, Dong-Keun Park, Tae-Kuk Ko
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Patent number: 5930095Abstract: A superconducting current limiting device protects an electric circuit from a fault current. The device comprises a magnetically saturable core having saturated and non-saturated states and an input coil for electrically coupling the core to the electric circuit, the input coil drawing a current therethrough so that a magnetic flux is generated in the core due to the current. Further, the core includes a main path for drawing the generated magnetic flux and at least two magnetic paths, a first of the magnetic paths drawing a first portion of the magnetic flux, and a second of the magnetic paths drawing a second portion of the magnetic flux and having a damping element for cancelling at least a fraction of the second portion of the magnetic flux to thereby prevent the core from getting into the saturated state.Type: GrantFiled: September 4, 1998Date of Patent: July 27, 1999Assignees: Back Joo, Min-Seok JooInventors: Back Joo, Min-Seok Joo, Tae-Kuk Ko