Patents by Inventor Yong-Kyu Choi
Yong-Kyu Choi 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: 11961720Abstract: Disclosed herein is a multi-channel device for detecting plasma at an ultra-fast speed, including: a first antenna module connected to a first output terminal in contact with a substrate on a chuck of a process chamber and extending to ground, and receiving a first leakage current leaking through the substrate to increase reception sensitivity of the leakage current; a first current detection module detecting the first leakage current; a current measurement module receiving the first leakage current output from the first current detection module, and extracting the received first leakage current for each predetermined period to generate a first leakage current measurement information; and a control module comparing the first leakage current measurement information with a reference value to generate first arcing occurrence information.Type: GrantFiled: October 12, 2021Date of Patent: April 16, 2024Assignee: T.O.S Co., Ltd.Inventors: Yong Kyu Kim, Bum Ho Choi, Yong Sik Kim, Kwang Ki Kang, Hong Jong Jung, Seok Ho Lee, Seung Soo Lee
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Publication number: 20240120616Abstract: A secondary battery includes an electrode assembly having a positive electrode provided with a positive electrode tab, a separator, and a negative electrode provided with a negative electrode tab, the positive electrode, the separator, and the negative electrode being wound, the electrode assembly having a core part at a center thereof; a can configured to receive the electrode assembly therein, the negative electrode tab being connected to the can; a cap assembly coupled to an opening of the can, the positive electrode tab being connected to the cap assembly; and a reinforcing member provided on an end of the separator exposed beyond the positive electrode or the negative electrode to prevent heat of the positive electrode tab or the negative electrode tab from being transferred to the separator.Type: ApplicationFiled: April 19, 2022Publication date: April 11, 2024Applicant: LG ENERGY SOLUTION, LTD.Inventors: Soon Kwan KWON, Su Taek JUNG, Seok Hoon JANG, Hyeok JEONG, Sang Ho BAE, Byeong Kyu LEE, Seong Won CHOI, Min Wook KIM, Yong Jun LEE
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Publication number: 20240075740Abstract: An inkjet head unit capable of performing high-resolution pixel printing on a large-size substrate and a substrate treatment apparatus including the inkjet head unit are provided. The substrate treatment apparatus includes: a processing unit supporting and moving a substrate; an inkjet head unit performing pixel printing on the substrate; and a gantry unit moving the inkjet head unit over the substrate, wherein the inkjet head unit includes head packs, which include a plurality of nozzles ejecting a substrate treatment liquid onto the substrate, and a head base, in which the head packs are installed and the head packs are disposed in a single row in the head base.Type: ApplicationFiled: July 24, 2023Publication date: March 7, 2024Inventors: Jang Mi WOO, Jin Hyuck Yang, Yong Kyu Cho, Cheon Su Cho, Ki Hoon Choi
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Patent number: 11912120Abstract: A battery mounting structure for a vehicle is provided to include a case having a first internal member that is disposed to be spaced parallel to an upper side of a lower panel of the case and a second internal member that is disposed perpendicular to the first internal member, and configured to accommodate a plurality of battery modules therein using the first internal member and the second internal member. An outer side member is provided in a shape protruding toward the outside on an outer side of the case. The battery modules are disposed in a stacking direction of battery cells that is parallel to a longitudinal direction of the first internal member.Type: GrantFiled: September 22, 2020Date of Patent: February 27, 2024Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Yong Hwan Choi, Yu Ri Oh, Tae Hyuck Kim, Gyung Hoon Shin, Hae Kyu Lim, Ji Woong Jung
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Patent number: 11078908Abstract: A scroll compressor, and more particularly, to a scroll compressor including a communication groove which may decrease discharge resistance is provided. The scroll compressor may include a fixed scroll having a fixed end plate and a fixed wrap, and an orbiting scroll configured to perform an orbiting movement about the fixed scroll and having an orbiting end plate and an orbiting wrap. A communication groove in the form of a recessed groove may be formed in an inner surface of the orbiting end plate, and a refrigerant may flow through the communication groove according to a state in which the fixed wrap overlaps the communication groove such that there is an effect in that an opening efficiency of a discharge hole is improved at an initial stage of discharge.Type: GrantFiled: November 22, 2019Date of Patent: August 3, 2021Assignee: LG ELECTRONICS INC.Inventors: Yong Kyu Choi, Cheol Hwan Kim, Kangwook Lee, Jungsun Choi
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Patent number: 10851789Abstract: A scroll compressor is provided, that may include a connection groove to reduce discharge resistance. The scroll compressor may include a fixed scroll including a fixed end plate and a feed wrap and an orbiting scroll, rotating with respect to the fixed scroll and including an orbiting end plate and an orbiting wrap, and structure in which a connection groove having a concave groove shape provided at an inner surface of the fixed end plate to allow a refrigerant to flow through the connection groove depending on an overlapping state of the fixed wrap and the connection groove, thereby providing an effect of increasing opening efficiency of discharge holes at a beginning of discharge.Type: GrantFiled: December 4, 2017Date of Patent: December 1, 2020Assignee: LG ELECTRONICS INC.Inventors: Yong Kyu Choi, Cheol Hwan Kim, Howon Lee
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Patent number: 10830237Abstract: A compressor is provided having an integrated flow path structure in which an oil flow path and an intermediate pressure flow path are integrated into one in a compression unit, thereby simplifying a flow path of the compression unit. The compressor may include at least one integrated flow path in which the oil flow path and the refrigerant gas flow are integrated into one in a fixed scroll. The at least one integrated flow path may connect an intermediate pressure chamber and a compression chamber in a compressors unit. The at least one integrated flow path may provide a compressed refrigerant in the compression chamber to the intermediate pressure chamber and provide oil in the intermediate pressure chamber to the compression chamber, simplifying the flow path of the compression unit.Type: GrantFiled: December 4, 2017Date of Patent: November 10, 2020Assignee: LG ELECTRONICS INC.Inventors: Yong Kyu Choi, Nara Han, Cheol Hwan Kim, Byeongchul Lee
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Patent number: 10816000Abstract: A scroll compressor is provided which is capable of supplying oil stored in an oil storage chamber upward through a rotary shaft to lubricate a bearing portion.Type: GrantFiled: December 4, 2017Date of Patent: October 27, 2020Assignee: LG ELECTRONICS INC.Inventors: Cheol Hwan Kim, Kangwook Lee, Byeongchul Lee, Yong Kyu Choi
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Patent number: 10808698Abstract: A scroll compressor, and more particularly, to a scroll compressor including a communication groove which may decrease discharge resistance is provided. The scroll compressor may include a fixed scroll having a fixed end plate and a fixed wrap, and an orbiting scroll configured to perform an orbiting movement about the fixed scroll and having an orbiting end plate and an orbiting wrap. A communication groove in the form of a recessed groove may be formed in an inner surface of the orbiting end plate, and a refrigerant may flow through the communication groove according to a state in which the fixed wrap overlaps the communication groove such that there is an effect in that an opening efficiency of a discharge hole is improved at an initial stage of discharge.Type: GrantFiled: December 4, 2017Date of Patent: October 20, 2020Assignee: LG ELECTRONICS INC.Inventors: Yong Kyu Choi, Cheol Hwan Kim, Kangwook Lee, Jungsun Choi
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Publication number: 20200088194Abstract: A scroll compressor, and more particularly, to a scroll compressor including a communication groove which may decrease discharge resistance is provided. The scroll compressor may include a fixed scroll having a fixed end plate and a fixed wrap, and an orbiting scroll configured to perform an orbiting movement about the fixed scroll and having an orbiting end plate and an orbiting wrap. A communication groove in the form of a recessed groove may be formed in an inner surface of the orbiting end plate, and a refrigerant may flow through the communication groove according to a state in which the fixed wrap overlaps the communication groove such that there is an effect in that an opening efficiency of a discharge hole is improved at an initial stage of discharge.Type: ApplicationFiled: November 22, 2019Publication date: March 19, 2020Inventors: Yong Kyu CHOI, Cheol Hwan Kim, Kangwook Lee, Jungsun Choi
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Publication number: 20190024664Abstract: A scroll compressor is provided which is capable of supplying oil stored in an oil storage chamber upward through a rotary shaft to lubricate a bearing portion.Type: ApplicationFiled: December 4, 2017Publication date: January 24, 2019Inventors: Cheol Hwan Kim, Kangwook Lee, Byeongchul Lee, Yong Kyu Choi
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Publication number: 20190010945Abstract: A scroll compressor is provided, that may include a connection groove to reduce discharge resistance. The scroll compressor may include a fixed scroll including a fixed end plate and a feed wrap and an orbiting scroll, rotating with respect to the fixed scroll and including an orbiting end plate and an orbiting wrap, and structure in which a connection groove having a concave groove shape provided at an inner surface of the fixed end plate to allow a refrigerant to flow through the connection groove depending on an overlapping state of the fixed wrap and the connection groove, thereby providing an effect of increasing opening efficiency of discharge holes at a beginning of discharge.Type: ApplicationFiled: December 4, 2017Publication date: January 10, 2019Inventors: Yong Kyu CHOI, Cheol Hwan Kim, Howon Lee
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Publication number: 20180372099Abstract: A scroll compressor, and more particularly, to a scroll compressor including a communication groove which may decrease discharge resistance is provided. The scroll compressor may include a fixed scroll having a fixed end plate and a fixed wrap, and an orbiting scroll configured to perform an orbiting movement about the fixed scroll and having an orbiting end plate and an orbiting wrap. A communication groove in the form of a recessed groove may be formed in an inner surface of the orbiting end plate, and a refrigerant may flow through the communication groove according to a state in which the fixed wrap overlaps the communication groove such that there is an effect in that an opening efficiency of a discharge hole is improved at an initial stage of discharge.Type: ApplicationFiled: December 4, 2017Publication date: December 27, 2018Inventors: Yong Kyu CHOI, Cheol Hwan Kim, Kangwook Lee, Jungsun Choi
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Publication number: 20180372103Abstract: A compressor is provided having an integrated flow path structure in which an oil flow path and an intermediate pressure flow path are integrated into one in a compression unit, thereby simplifying a flow path of the compression unit. The compressor may include at least one integrated flow path in which the oil flow path and the refrigerant gas flow are integrated into one in a fixed scroll. The at least one integrated flow path may connect an intermediate pressure chamber and a compression chamber in a compressors unit. The at least one integrated flow path may provide a compressed refrigerant in the compression chamber to the intermediate pressure chamber and provide oil in the intermediate pressure chamber to the compression chamber, simplifying the flow path of the compression unit.Type: ApplicationFiled: December 4, 2017Publication date: December 27, 2018Inventors: Yong Kyu CHOI, Nara Han, Cheol Hwan Kim, Byeongchul Lee
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Publication number: 20180084875Abstract: A piercing accessory system, comprising: a cover and a coupling portion. The coupling portion may comprise a base portion and one or more walls. The one or more walls may comprise one or more piercing receiving portions. The one or more piercing receiving portions may be configured to receive and engage at least one piercing worn by a user, such that the cover may be attachable to a user. The coupling portion and the at least one piercing may be configured to removeably couple together, such that the cover may adorn the user.Type: ApplicationFiled: November 10, 2017Publication date: March 29, 2018Inventor: Yong Kyu Choi
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Patent number: 9844248Abstract: A piercing accessory system, comprising: a platform; and a cover. The platform may comprise a cover coupling portion that may comprise a piercing receiving portion. The cover may comprise a platform coupling portion. The piercing receiving portion is preferably configured to connect to one or more piercing rods, such that the platform is attachable to a user that has one or more piercings; wherein the cover coupling portion and the platform coupling portion removeably couple together, such that the cover adorns the user.Type: GrantFiled: September 23, 2016Date of Patent: December 19, 2017Inventor: Yong Kyu Choi
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Publication number: 20160010180Abstract: A composition for titanium-tungsten metal alloy. A composition for titanium-tungsten metal allow may comprise: A composition for titanium-tungsten metal alloy may comprise: a titanium component in an amount of approximately 51.0 percent by weight based on a total weight of the composition; a tungsten component in an amount of approximately 14.0 percent by weight; a nickel component in an amount of approximately 15.0 percent by weight; a chromium component in an amount of approximately 1.0 percent by weight; a molybdenum component in an amount of approximately 10.0 percent by weight; a copper component in an amount of approximately 2.0 percent by weight; and a carbon component is an amount of approximately 7.0 percent by weight.Type: ApplicationFiled: July 14, 2014Publication date: January 14, 2016Inventor: Yong Kyu Choi
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Publication number: 20160010181Abstract: A composition for titanium-tungsten metal alloy. A composition for titanium-tungsten metal alloy may comprise: a titanium component in an amount of approximately 35.0 percent by weight based on a total weight of the composition; a tungsten component in an amount of approximately 32.0 percent by weight; a nickel component in an amount of approximately 15.0 percent by weight; a chromium component in an amount of approximately 1.80 percent by weight; a molybdenum component in an amount of approximately 6.0 percent by weight; and a carbon component is an amount of approximately 10.20 percent by weight.Type: ApplicationFiled: December 22, 2014Publication date: January 14, 2016Inventor: Yong Kyu Choi
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Patent number: 8215933Abstract: A scroll compressor and a refrigerating machine including the same are provided. In the scroll compressor, an oil supply hole formed in an orbiting scroll guides oil from a space between a frame and the orbiting scroll to a space between a fixed scroll and the orbiting scroll, and an oil supply groove formed at the fixed scroll maintains communication with the oil supply hole, thereby rapidly supplying oil to a bearing surface between the fixed scroll and the orbiting scroll before the oil is introduced into a back pressure chamber. This enhances compressor efficiency by effectively preventing frictional losses and refrigerant leakage in such a compressor, and enhances energy efficiency for a refrigerating machine using such a compressor.Type: GrantFiled: June 8, 2009Date of Patent: July 10, 2012Assignee: LG Electronics Inc.Inventors: Cheol-Hwan Kim, Sung-Yong Ahn, Byung-Kil Yoo, Yong-Kyu Choi, Byeong-Chul Lee, Yang-Hee Cho, Se-Heon Choi
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Publication number: 20100092321Abstract: A scroll compressor and a refrigerating machine including the same are provided. In the scroll compressor, an oil supply hole formed in an orbiting scroll guides oil from a space between a frame and the orbiting scroll to a space between a fixed scroll and the orbiting scroll, and an oil supply groove formed at the fixed scroll maintains communication with the oil supply hole, thereby rapidly supplying oil to a bearing surface between the fixed scroll and the orbiting scroll before the oil is introduced into a back pressure chamber. This enhances compressor efficiency by effectively preventing frictional losses and refrigerant leakage in such a compressor, and enhances energy efficiency for a refrigerating machine using such a compressor.Type: ApplicationFiled: June 8, 2009Publication date: April 15, 2010Inventors: Cheol-Hwan Kim, Sung-Yong Ahn, Byung-Kil Yoo, Yong-Kyu Choi, Byeong-Chul Lee, Yang-Hee Cho, Se-Heon Choi