Patents by Inventor Sang Cheol Shin
Sang Cheol Shin 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: 11664289Abstract: In one example, a semiconductor package comprises a substrate having a top surface and a bottom surface, an electronic device mounted on the top surface of the substrate and coupled to one or more interconnects on the bottom surface of the substrate, a cover over the electronic device, a casing around a periphery of the cover, and an encapsulant between the cover and the casing and the substrate.Type: GrantFiled: October 27, 2020Date of Patent: May 30, 2023Assignee: Amkor Technology Singapore Holding Pte. Ltd.Inventors: Se Man Oh, Kyoung Yeon Lee, Sang Hyeon Lee, Min Cheol Shin
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Publication number: 20230029229Abstract: A motor driving apparatus which drives a motor including a plurality of windings corresponding to a plurality of phases, respectively, includes: a first inverter including a plurality of first switching elements and connected to a first end of each of the windings; a second inverter including a plurality of second switching elements and connected to a second end of each of the windings; and a controller obtaining a vector corresponding to a voltage command of the motor by combining switching vectors which cause difference between a common mode voltage of the first inverter and a common mode voltage of the second inverter to be zero and configured to control the plurality of first switching elements and the plurality of second switching elements in a pulse width modulation method based on the obtained vector.Type: ApplicationFiled: June 22, 2022Publication date: January 26, 2023Applicants: Hyundai Motor Company, Kia Corporation, Seoul National University R&DB FoundationInventors: Kang Ho JEONG, Sang Cheol SHIN, Jung Ik HA, Hyeon Gyu CHOI, Jae Hoon SIM
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Publication number: 20230017022Abstract: A system for charging a battery for a vehicle using a motor driving system that operates a motor having a plurality of windings is disclose. The system includes a first inverter having a plurality of first switching elements, a DC terminal connected to the battery, and an AC terminal connected to one terminal of the plurality of windings, a second inverter having a plurality of second switching elements, a DC terminal selectively short-circuited/opened with the DC terminal of the first inverter, and an AC terminal connected to the other terminal of the plurality of windings, and a controller configured to control an electric connection state between the DC terminals of the first inverter and the second inverter and an open/short-circuited state of the first switching elements and the second switching elements.Type: ApplicationFiled: June 21, 2022Publication date: January 19, 2023Applicants: Hyundai Motor Company, Kia CorporationInventors: Kang Ho JEONG, Myung Ho KIM, Sang Cheol SHIN, Young Seul LIM
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Publication number: 20230006596Abstract: Charging system and method using a motor driving system are proposed. The charging system includes a battery, an inverter to which D.C. power stored in the battery is applied, including a plurality of legs each including two switching elements, a motor including a plurality of coils of which first ends are respectively connected to connection nodes of the switching elements of each of the plurality of legs, and second ends are connected to each other to form a neutral point, and an inverter driving part configured to control switching of the switching elements, so that switching speeds of the switching elements are different for each mode of a motor driving mode and a charging mode so as to change magnitude of charging voltage supplied to the neutral point of the motor and to output the charging voltage to the battery.Type: ApplicationFiled: June 1, 2022Publication date: January 5, 2023Applicants: Hyundai Motor Company, Kia CorporationInventors: Ji Woong JANG, Sang Cheol SHIN, Yoo Jong LEE, Ki Jong LEE, Ho Tae CHUN
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Publication number: 20220410741Abstract: A system for charging a vehicle battery using a motor driving system includes a first inverter including a plurality of first switching elements; a second inverter including a plurality of second switching elements; a plurality of transfer switches having first ends and second ends, the first ends thereof being respectively connected to the second ends of a plurality of windings, and the second ends thereof being connected to each other; and a controller configured, in a charging mode, to control opened/shorted states of the switching elements included in the first inverter and the second inverter and the plurality of transfer switches, so that a DC charging voltage applied to a portion between of the second ends of the plurality of transfer switches and a negative terminal of the battery is supplied to the battery.Type: ApplicationFiled: May 31, 2022Publication date: December 29, 2022Applicants: Hyundai Motor Company, Kia CorporationInventors: Kang Ho JEONG, Yong Jae LEE, Myung Ho KIM, Sang Cheol SHIN, Young Seul LIM
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Publication number: 20220416560Abstract: A system for charging a vehicle battery using a motor driving system is proposed. The battery charging system includes a first inverter including a plurality of first switching elements; a second inverter including a plurality of second switching elements; a plurality of transfer switches having first ends and second ends, the first ends thereof being respectively connected to the second ends of a plurality of windings, and the second ends thereof being connected to each other; and a controller configured, in a charging mode, to control a connection state between a DC terminal of the first inverter and a DC terminal of the second inverter, and opened/shorted states of the plurality of first switching elements, the plurality of second switching elements, and the plurality of transfer switches.Type: ApplicationFiled: May 31, 2022Publication date: December 29, 2022Applicants: Hyundai Motor Company, Kia CorporationInventors: Kang Ho JEONG, Myung Ho KIM, Sang Cheol SHIN, Young Seul LIM
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Publication number: 20220401612Abstract: A deodorization module including a housing having a suction port and a discharge port formed therein, a fan disposed between the suction port and the discharge port, a photocatalytic filter disposed between the suction port and the fan, a light source module including a substrate and an ultraviolet light source and configured to irradiate the photocatalytic filter with ultraviolet light, and an ion generator disposed between the fan and the discharge port.Type: ApplicationFiled: August 29, 2022Publication date: December 22, 2022Inventors: Ji Won KIM, Jae Hak JEONG, Byeong Cheol JU, Sang Cheol SHIN
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Patent number: 11497147Abstract: A cooling module for a parallel type power module of an inverter may include parallel type power modules configured to be disposed in three or more columns and rows, wherein three parallel type power modules are disposed to correspond to U, V, and W phases of the inverter in the three or more rows in each of the three or more columns, a first cooling water passage having a passage through which cooling water flows and configured to be brought into contact with an upper surface and a lower surface of a power module disposed at a first row, and a second cooling water passage having a passage through which the cooling water flows and configured to be brought into contact with an upper surface and a lower surface of a power module disposed at a third row.Type: GrantFiled: June 25, 2020Date of Patent: November 8, 2022Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Je-Hwan Lee, Han-Geun Jang, Eun-Cheol Lee, Seong-Min Lee, Yun-Ho Kim, Sang-Cheol Shin
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Publication number: 20220348536Abstract: Disclosed is a recovery method of a nitrile-based monomer including: supplying a feed stream including a nitrile-based monomer, a nitrogen compound, and water to a first distillation tower to separate the stream into a lower discharge stream and an upper discharge stream; condensing the upper discharge stream of the first distillation tower and supplying the condensed stream to a decanter to separate the stream into a water layer and an organic layer; supplying an organic layer stream discharged from the decanter to a second distillation tower to separate the stream into a lower discharge stream and an upper discharge stream; and splitting a part of the upper discharge stream from the second distillation tower and refluxing the split stream to the second distillation tower.Type: ApplicationFiled: July 9, 2021Publication date: November 3, 2022Applicant: LG CHEM, LTD.Inventors: Sang Cheol SHIN, Jun Seok KO, Yong Heon CHO, Joon Ho SHIN
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Publication number: 20220352838Abstract: A motor-driving apparatus for driving a motor having a plurality of windings respectively corresponding to a plurality of phases is provided. The motor-driving apparatus includes a first inverter having a plurality of first switching devices and connected to first ends of the plurality of windings and a second inverter having a plurality of second switching devices and connected to second ends of the plurality of windings. A third switching device is configured to selectively connect and disconnect points at which a number of turns of each of the windings is divided in a preset ratio. A controller is configured to adjust an on/off state of the first to third switching devices based on required output of the motor.Type: ApplicationFiled: July 12, 2022Publication date: November 3, 2022Inventors: Kang Ho Jeong, Jong Kyong Lim, Suk Hyun Lim, Ji Woong Jang, Beom Sik Kim, Sang Cheol Shin
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Publication number: 20220321048Abstract: A motor-driving apparatus for driving a motor having a plurality of windings respectively corresponding to a plurality of phases is provided. The motor-driving apparatus includes a first inverter having a plurality of first switching devices and connected to first ends of the plurality of windings and a second inverter having a plurality of second switching devices and connected to second ends of the plurality of windings. A third switching device is configured to selectively connect and disconnect points at which a number of turns of each of the windings is divided in a preset ratio. A controller is configured to adjust an on/off state of the first to third switching devices based on required output of the motor.Type: ApplicationFiled: June 17, 2022Publication date: October 6, 2022Inventors: Kang Ho Jeong, Jong Kyong Lim, Suk Hyun Lim, Ji Woong Jang, Beom Sik Kim, Sang Cheol Shin
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Patent number: 11452792Abstract: A deodorization module including a housing having a suction port and a discharge port formed therein, a fan disposed between the suction port and the discharge port, a photocatalytic filter disposed between the suction port and the fan, a light source module including a substrate and an ultraviolet light source and configured to irradiate the photocatalytic filter with ultraviolet light, and an ion generator disposed between the fan and the discharge port.Type: GrantFiled: April 9, 2018Date of Patent: September 27, 2022Assignee: Seoul Viosys Co., Ltd.Inventors: Ji Won Kim, Jae Hak Jeong, Byeong Cheol Ju, Sang Cheol Shin
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Patent number: 11418142Abstract: A motor-driving apparatus for driving a motor having a plurality of windings respectively corresponding to a plurality of phases is provided. The motor-driving apparatus includes a first inverter having a plurality of first switching devices and connected to first ends of the plurality of windings and a second inverter having a plurality of second switching devices and connected to second ends of the plurality of windings. A third switching device is configured to selectively connect and disconnect points at which a number of turns of each of the windings is divided in a preset ratio. A controller is configured to adjust an on/off state of the first to third switching devices based on required output of the motor.Type: GrantFiled: November 2, 2020Date of Patent: August 16, 2022Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Kang Ho Jeong, Jong Kyong Lim, Suk Hyun Lim, Ji Woong Jang, Beom Sik Kim, Sang Cheol Shin
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Publication number: 20220220300Abstract: The present disclosure provides a polyalkylene carbonate-based resin having excellent thermal stability, thereby having an improved heat shrinkage phenomenon, and a molded article produced using the same. The polyalkylene carbonate-based resin includes 100 parts by weight of a base resin including a polyalkylene carbonate resin and a polylactide resin, and 5 parts by weight to 10 parts by weight of a heat shrinkage prevention agent, wherein the base resin includes the polyalkylene carbonate resin and the polylactide resin in a weight ratio of 6:4 to 4:6, and the heat shrinkage prevention agent is one or more selected from the group consisting of a polyalkyl(meth)acrylate-based resin, a polyalphaolefin-vinyl acetate-based resin, and a polyoxyalkylene-based resin.Type: ApplicationFiled: January 22, 2021Publication date: July 14, 2022Inventors: Won Hee WOO, Seung Young PARK, Sung Kyoung KIM, Sang Cheol SHIN, Kyung Min MIN, Won Seok KIM
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Publication number: 20220199491Abstract: A motor drive device includes: a first inverter including a plurality of first switching elements and connected to a plurality of coils; a second inverter including a plurality of second switching elements and connected to the plurality of coils; a plurality of transfer switching elements connected to the second ends; a capacitor disposed at one side of a casing of a motor; first and second cooling channels disposed at both sides of the capacitor; a plurality of first power modules including some of the plurality of first switching elements and some of the transfer switching elements; and a plurality of second power modules including some of the plurality of second switching elements.Type: ApplicationFiled: August 20, 2021Publication date: June 23, 2022Inventors: Hyun Koo LEE, Jun Hee PARK, Sang Cheol SHIN, Kang Ho JEONG
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Patent number: 11345249Abstract: A power conversion apparatus for multi-voltage charging is provided. The power conversion apparatus includes a housing, a motor connecting terminal disposed at one side of the housing, a relay having a first end electrically connected to the motor connecting terminal, and a capacitor having a first terminal electrically connected to a second end of the relay, and second and third terminals respectively connected to positive and negative terminals of an external battery, wherein the motor connecting terminal, the relay, and the first, second and third terminals are disposed within the housing along an outer edge of the housing.Type: GrantFiled: August 18, 2020Date of Patent: May 31, 2022Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Ki Jong Lee, Sang Cheol Shin, Young Seul Lim, Ji Woong Jang, Yoo Jong Lee, Jun Hwan Kim, Seong Min Lee
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Publication number: 20220149733Abstract: A DC-DC converter includes: a first capacitor; a first switching element, a second switching element, a third switching element, and a fourth switching element sequentially connected to one another in series between both ends of the first capacitor; a second capacitor having both ends connected at a connection node of the first switching element and the second switching element and a connection node of the third switching element and the fourth switching element, respectively; and a controller configured to determine whether an overvoltage is applied to both ends of the first to fourth switching elements, respectively, based on a first sensed voltage obtained by sensing a voltage applied to the first capacitor and a second sensed voltage obtained by sensing a voltage applied to the second capacitor.Type: ApplicationFiled: August 23, 2021Publication date: May 12, 2022Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATIONInventors: Yoo Jong LEE, Ji Woong JANG, Ki Jong LEE, Sang Cheol SHIN
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Publication number: 20220143589Abstract: The present invention relates to a method for separating an organozinc catalyst from a polyalkylene carbonate polymerization solution, and the method of the present invention includes: stirring and aging a polymerization solution including a polyalkylene carbonate resin, an organozinc catalyst, an alkylene oxide and a polymerization solvent; and filtering the polymerization solution after completing the aging.Type: ApplicationFiled: September 28, 2020Publication date: May 12, 2022Inventors: Kyung Min MIN, Seung Young PARK, Sung Kyoung KIM, Sang Cheol SHIN, Won Seok KIM, Won Hee WOO
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Patent number: 11277124Abstract: An overcurrent detection reference compensation system of a switching element for an inverter and an overcurrent detection system using the same can correct an overcurrent detection reference used to detect an overcurrent of a switching element according to a temperature of the switching element.Type: GrantFiled: July 8, 2020Date of Patent: March 15, 2022Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Yoo Jong Lee, Ji Woong Jang, Ki Jong Lee, Sang Cheol Shin
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Publication number: 20220077807Abstract: A motor driving device drives a motor having a plurality of windings corresponding to a plurality of phases. The motor driving device includes: a first inverter configured to include a plurality of first switching elements and connected to first stages of the plurality of windings; a second inverter configured to include a plurality of second switching elements and connected to second stages of the plurality of windings; and a controller configured to fix switching states of the second switching elements and switch the first switching elements to compose target voltage vectors if the motor is driven in an open end winding type by operating the first inverter and the second inverter in a space vector pulse width modulation mode.Type: ApplicationFiled: November 12, 2020Publication date: March 10, 2022Inventors: Kang Ho Jeong, Sang Cheol Shin, Yong Jae Lee, Jung lk Ha, Hyeon Gyu Choi, Jae Hoon Shim