Patents by Inventor Jae-Sik Kang
Jae-Sik Kang 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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Publication number: 20240136674Abstract: Disclosed is an electrode assembly, a battery, and a battery pack and a vehicle including the same. In the electrode assembly, a first electrode, a second electrode, and a separator interposed therebetween are wound based on a winding axis to define a core and an outer circumference. The first electrode includes a first active material portion coated with an active material layer and a first uncoated portion not coated with an active material layer along a winding direction. At least a part of the first uncoated portion is defined as an electrode tab by itself. The first uncoated portion includes a first portion adjacent to the core of the electrode assembly, a second portion adjacent to the outer circumference of the electrode assembly, and a third portion interposed between the first portion and the second portion. The first portion or the second portion has a smaller height than the third portion in the winding axis direction.Type: ApplicationFiled: January 19, 2022Publication date: April 25, 2024Applicant: LG ENERGY SOLUTION, LTD.Inventors: Jong-Sik PARK, Jae-Won LIM, Yu-Sung CHOE, Hak-Kyun KIM, Je-Jun LEE, Byoung-Gu LEE, Duk-Hyun RYU, Kwan-Hee LEE, Jae-Eun LEE, Pil-Kyu PARK, Kwang-Su HWANGBO, Do-Gyun KIM, Geon-Woo MIN, Hae-Jin LIM, Min-Ki JO, Su-Ji CHOI, Bo-Hyun KANG, Jae-Woong KIM, Ji-Min JUNG, Jin-Hak KONG, Soon-O LEE, Kyu-Hyun CHOI
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Publication number: 20240128517Abstract: Disclosed is an electrode assembly, a battery, and a battery pack and a vehicle including the same. In the electrode assembly, a first electrode, a second electrode, and a separator interposed therebetween are wound based on an axis to define a core and an outer circumference. The first electrode includes an uncoated portion at a long side end thereof and exposed out of the separator along a winding axis direction of the electrode assembly. A part of the uncoated portion is bent in a radial direction of the electrode assembly to form a bending surface region that includes overlapping layers of the uncoated portion, and in a partial region of the bending surface region, the number of stacked layers of the uncoated portion is 10 or more in the winding axis direction of the electrode assembly.Type: ApplicationFiled: January 19, 2022Publication date: April 18, 2024Applicant: LG ENERGY SOLUTION, LTD.Inventors: Hae-Jin LIM, Jin-Hak KONG, Soon-O LEE, Kyu-Hyun CHOI, Do-Gyun KIM, Su-Ji CHOI, Kwang-Su HWANGBO, Geon-Woo MIN, Min-Ki JO, Jae-Won LIM, Hak-Kyun KIM, Je-Jun LEE, Ji-Min JUNG, Jae-Woong KIM, Jong-Sik PARK, Yu-Sung CHOE, Byoung-Gu LEE, Duk-Hyun RYU, Kwan-Hee LEE, Jae-Eun LEE, Bo-Hyun KANG, Pil-Kyu PARK
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Publication number: 20240092141Abstract: An air conditioning device for a vehicle includes: a housing having an inside divided into an inflow space, a heat exchange space, and an outflow space, which are straightly arranged, and having a plurality of discharge ports, which communicates with an interior, at the inflow space; a blowing unit disposed at the inflow space of the housing and configured to blow air; a heat exchange unit disposed at the heat exchange space of the housing and configured to adjust a temperature of conditioned air by exchanging heat with air; and an opening-closing door disposed at the outflow space of the housing and configured to open and close the plurality of discharge ports such that conditioned air at an adjusted temperature selectively flows to the plurality of discharge ports. The air conditioning device adjusts the temperature of conditioned air for respective modes and reduces a flow resistance of air.Type: ApplicationFiled: March 8, 2023Publication date: March 21, 2024Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, DOOWON CLIMATE CONTROL CO., LTD.Inventors: Kwang Ok Han, Young Tae Song, Yong Chul Kim, Gee Young Shin, Su Yeon Kang, Jae Sik Choi, Dae Hee Lee, Byeong Moo Jang, Ung Hwi Kim, Jae Won Cha, Won Jun Joung, Byung Guk An
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Publication number: 20240083384Abstract: A vehicle seat reinforcement device includes a leg portion mounted on a floor panel, a seat cushion frame slidably mounted on the leg portion, and a load reinforcing structure connected between the leg portion and the seat cushion frame, wherein when a seat belt anchorage load is transferred to the seat cushion frame, the seat cushion frame is locked to the leg portion by the load reinforcing structure.Type: ApplicationFiled: February 3, 2023Publication date: March 14, 2024Applicants: Hyundai Motor Company, Kia Corporation, Daechang Seat Co.,LTD-Dongtan, Hyundai Transys Inc.Inventors: Sang Soo LEE, Chan Ho JUNG, Mu Young KIM, Sang Hark LEE, Ho Suk JUNG, Deok Soo LIM, Sang Do PARK, In Sun BAEK, Sin Chan YANG, Chan Ki CHO, Myung Soo LEE, Jae Yong JANG, Jun Sik HWANG, Ho Sung KANG, Hae Dong KWAK, Hyun Tak KO
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Publication number: 20240079597Abstract: Proposed is an all-solid-state battery including a self-standing sheet layer positioned on a negative electrode current collector. The all-solid-state battery may include the negative electrode current collector, the self-standing sheet layer positioned on the negative electrode current collector, a solid electrolyte layer positioned on the sheet layer, a positive electrode active material layer positioned on the solid electrolyte layer, and a positive electrode current collector positioned on the positive electrode active material layer. The sheet layer contains carbon nanotubes.Type: ApplicationFiled: May 4, 2023Publication date: March 7, 2024Applicants: Hyundai Motor Company, Kia Corporation, Foundation of Soongsil University-Industry CooperationInventors: Jae Min Lim, Hee Soo Kang, Young Jin Nam, Soon Chul Byun, Young Jin Jeong, Gyo Sik Kim, Hae Joo Kim, Jeong Yun Lee
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Patent number: 11912915Abstract: The present invention relates to a phosphine precursor for the preparation of a quantum dot, and a quantum dot prepared therefrom. Using the phosphine precursor for the preparation of a quantum dot of the present invention, a quantum dot with improved luminous efficiency and higher luminous color purity can be provided.Type: GrantFiled: March 2, 2018Date of Patent: February 27, 2024Assignee: SK Chemicals Co., Ltd.Inventors: Hee Il Chae, Jeong Ho Park, Kyung Sil Yoon, Ju-Sik Kang, Yu Mi Chang, Nam-Choul Yang, Jae Kyun Park, Song Lee
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Patent number: 11575265Abstract: A method of controlling output levels of an MMC converter to reduce fluctuation in a power grid frequency, which adjusts an output level of the MMC converter in response to a change in a power grid frequency of a power grid system in the MMC converter connected to a grid system, is proposed. The method includes a detection step of detecting a power grid frequency of a grid connected to the MMC converter in real time, a comparison step of comparing the detected power grid frequency with a preset reference power grid frequency, and an adjustment step of adjusting a number of output levels of the MMC converter to reduce a difference between the detected power grid frequency and the reference power grid frequency when the detected power grid frequency and the reference power grid frequency are different from each other.Type: GrantFiled: December 21, 2018Date of Patent: February 7, 2023Assignee: Hyosung Heavy IndustriesInventors: Hee Jin Kim, Dong Su Lee, Kyeon Hur, Jae Sik Kang, Sang Min Kim
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Patent number: 11549310Abstract: The present invention relates to a facility comprising: a fixed frame fixedly installed on an outer wall of a veranda or a balcony of a high-rise building; a foldable evacuation box which can be unfolded in the form of a rectangular parallelepiped having an open top side and has and evacuation door on a side thereof; a fall prevention and evacuation means which can be structurally changed to an emergency stairway for fire evacuation; an evacuation box locking means which allows the foldable evacuation box to be unfolded in a rectangular parallelepiped form; a locking means which holds and fixes the fall prevention and evacuation means to the fixed frame; and an entry prevention door which prevents an evacuee from entering inside a veranda or a balcony from the foldable evacuation box through the fixed frame.Type: GrantFiled: April 26, 2018Date of Patent: January 10, 2023Assignee: Korea Institute of Civil Engineering and Building TechnologyInventors: Soon Mo Ryu, Jae Sik Kang
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Publication number: 20220291640Abstract: A robot synchronization sealer discharge system is provided. The robot synchronization sealer discharge system is interlocked with a robot for a sealer work of a vehicle factory and includes: a sealer gun mounted on a robot and moving along an application path of a vehicle body to discharge a sealer and a communication unit for receiving a TCP speed of the sealer gun moving based on robot operation. A synchronization controller assigns a unique ID and a received TCP time to the TCP speed and generates a discharge instruction message recording the sealer discharge amount according to the TCP speed. A sealer controller adjusts a discharge of the sealer gun based on the discharge instruction message and feeds back the sealer time according to a discharge completion to the synchronization controller.Type: ApplicationFiled: October 4, 2021Publication date: September 15, 2022Inventors: Daewon Lee, Tae Hoon Song, Yoon Soo Kim, Jae Sik Kang, Joo Hyun Lim, Yeong Min Kim
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Publication number: 20210131184Abstract: The present invention relates to a facility comprising: a fixed frame fixedly installed on an outer wall of a veranda or a balcony of a high-rise building; a foldable evacuation box which can be unfolded in the form of a rectangular parallelepiped having an open top side and has and evacuation door on a side thereof; a fall prevention and evacuation means which can be structurally changed to an emergency stairway for fire evacuation; an evacuation box locking means which allows the foldable evacuation box to be unfolded in a rectangular parallelepiped form; a locking means which holds and fixes the fall prevention and evacuation means to the fixed frame; and an entry prevention door which prevents an evacuee from entering inside a veranda or a balcony from the foldable evacuation box through the fixed frame.Type: ApplicationFiled: April 26, 2018Publication date: May 6, 2021Inventors: Soon Mo Ryu, Jae Sik Kang
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Patent number: 10998813Abstract: A modular multilevel converter (MMC) includes multiple converter arms, each converter arm having: N submodules connected to each other in series, N being an integer equal to or greater than 2; and a circuit opening unit connected to the N submodules in series to open a circuit of the converter arm, wherein the N submodules has n submodules including full-bridge circuits and N?n submodules including half-bridge circuits, n being less than N.Type: GrantFiled: June 23, 2016Date of Patent: May 4, 2021Assignees: HYOSUNG HEAVY INDUSTRIES CORPORATIONInventors: Hee Jin Kim, Dong Su Lee, Kyeon Hur, Jae Sik Kang, Sang Min Kim, Jong Seo Na
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Publication number: 20200335975Abstract: A method of controlling output levels of an MMC converter to reduce fluctuation in a power grid frequency, which adjusts an output level of the MMC converter in response to a change in a power grid frequency of a power grid system in the MMC converter connected to a grid system, is proposed. The method includes a detection step of detecting a power grid frequency of a grid connected to the MMC converter in real time, a comparison step of comparing the detected power grid frequency with a preset reference power grid frequency, and an adjustment step of adjusting a number of output levels of the MMC converter to reduce a difference between the detected power grid frequency and the reference power grid frequency when the detected power grid frequency and the reference power grid frequency are different from each other.Type: ApplicationFiled: December 21, 2018Publication date: October 22, 2020Inventors: Hee Jin KIM, Dong Su LEE, Kyeon HUR, Jae Sik KANG, Sang Min KIM
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Patent number: 10673319Abstract: The present invention relates to an MMC converter system which can quickly cut off fault current by installing a plurality of disconnecting switch units on a line connected between two MMC converter devices. The MMC converter system comprises: a first MMC converter device including a plurality of serially connected sub modules; a second MMC converter device including a plurality of serially connected sub modules; a first disconnecting switch unit installed on a line between the first and second MMC converter devices; and a second disconnecting switch unit connected in series to the first disconnecting switch unit on the line, wherein each of the first and second disconnecting switch units comprises a mechanical switch installed on the line so as to open and close the line and a diode connected in parallel to the mechanical switch, and the two diodes are installed in opposite directions to each other.Type: GrantFiled: December 5, 2017Date of Patent: June 2, 2020Assignees: HYOSUNG HEAVY INDUSTRIES CORPORATIONInventors: Hee Jin Kim, Kyeon Hur, Dong Su Lee, Jae Sik Kang, Ju Yong Jung, Sang Min Kim, Jong Seo Na
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Publication number: 20190356217Abstract: The present invention relates to an MMC converter system which can quickly cut off fault current by installing a plurality of disconnecting switch units on a line connected between two MMC converter devices. The MMC converter system comprises: a first MMC converter device including a plurality of serially connected sub modules; a second MMC converter device including a plurality of serially connected sub modules; a first disconnecting switch unit installed on a line between the first and second MMC converter devices; and a second disconnecting switch unit connected in series to the first disconnecting switch unit on the line, wherein each of the first and second disconnecting switch units comprises a mechanical switch installed on the line so as to open and close the line and a diode connected in parallel to the mechanical switch, and the two diodes are installed in opposite directions to each other.Type: ApplicationFiled: December 5, 2017Publication date: November 21, 2019Inventors: Hee Jin KIM, Kyeon HUR, Dong Su LEE, Jae Sik KANG, Ju Yong JUNG, Sang Min KIM, Jong Seo NA
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Publication number: 20190312504Abstract: Provided is an MMC and a DC failure blocking method therefor, the MMC and the method being capable of DC failure blocking and reducing loss using a combination of half-bridge submodules and full-bridge submodules for converter arms of the MMC. According to the present invention, there is provided a modular multilevel converter (MMC) including multiple converter arms, each converter arm having: N (N?2, an integer) submodules connected to each other in series; and a circuit opening unit connected to the N submodules in series to open a circuit of the converter arm, wherein the N submodules are n (n<N) submodules including full-bridge circuits and N-n submodules including half-bridge circuits.Type: ApplicationFiled: June 23, 2016Publication date: October 10, 2019Inventors: Hee Jin KIM, Dong Su LEE, Kyeon HUR, Jae Sik KANG, Sang Min KIM, Jong Seo NA
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Patent number: 9523232Abstract: A filling material according to an embodiment of the invention includes: an outer cover material having elasticity; an expansion material being inserted into an inside of the outer cover material, wherein the expansion material being compressed when the inside of the outer cover material is evacuated; a nozzle being provided at one end of the outer cover material, wherein air is evacuated from the inside of the outer cover material or air is injected to the inside of the outer cover material to expand the outer cover material through the nozzle; and a stopper for blocking the nozzle in a state that the inside of the outer cover material is evacuated to maintain the inside of the outer cover material to be vacuous.Type: GrantFiled: October 7, 2013Date of Patent: December 20, 2016Assignee: Korea Institute of Construction TechnologyInventors: Jae-yong Han, Si-won Kum, Jae-sik Kang
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Publication number: 20150292255Abstract: A filling material according to an embodiment of the invention includes: an outer cover material having elasticity; an expansion material being inserted into an inside of the outer cover material, wherein the expansion material being compressed when the inside of the outer cover material is evacuated; a nozzle being provided at one end of the outer cover material, wherein air is evacuated from the inside of the outer cover material or air is injected to the inside of the outer cover material to expand the outer cover material through the nozzle; and a stopper for blocking the nozzle in a state that the inside of the outer cover material is evacuated to maintain the inside of the outer cover material to be vacuous.Type: ApplicationFiled: October 7, 2013Publication date: October 15, 2015Inventors: Jae-yong Han, Si-won Kum, Jae-sik Kang
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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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Patent number: 7730730Abstract: A control method of a multi-air conditioner in which a plurality of indoor units is connected to one outdoor unit and refrigerant flow amount is adjusted by electronic expansion valves comprises a share step in which a plurality of indoor units exchanges their operation information, a comparison and judgment step in which each above indoor unit compares and judges its operation status based on the exchanged operation information, and an adjustment step in which each above indoor unit adjusts refrigerant flow amount supplied to each indoor unit based on the compared and judged operation status.Type: GrantFiled: November 16, 2005Date of Patent: June 8, 2010Assignee: LG Electronics Inc.Inventors: Do Yong Ha, Ho Jong Jeong, Ki Bum Kim, Jin Ha Choi, Jae Sik Kang
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Patent number: 7716942Abstract: An air conditioner having a service valve assembly which comprises a connection body connected with a refrigerant pipe through which a refrigerant flows, and having a penetration passage through which the refrigerant flows; an opening/closing unit disposed in the connection body, and having a blocking hole for opening/closing the passage of the refrigerant flowing through the penetration passage; a plurality of ports disposed at the connection body, respectively, by a particular interval therebetween, connected with the penetration passage, and having an opened end portion, respectively; and a filter unit removably coupled to each end portion of the ports such that the refrigerant flowing through the penetration passage is bypassed to the ports to thus be filtered thereby, whereby it is possible to basically solve the problem in a blocking caused by moisture and foreign materials within a circulation system of the air conditioner, and to simplify the construction of the system by being provided with a filterType: GrantFiled: February 9, 2006Date of Patent: May 18, 2010Assignee: LG Electronics Inc.Inventors: Sung-Oh Choi, Si-Kyong Sung, Ki-Bum Kim, Jin-Ha Choi, Jae-Sik Kang