Patents by Inventor In Sik Chun
In Sik Chun 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: 11982462Abstract: An air conditioner includes a cabinet including an inlet port and a frame including an outlet port and coupled to the cabinet. A heat exchanger is disposed between the cabinet and the frame to exchange heat with air introduced into the inlet port and discharged to the outlet port. A blocking member is configured to connect the frame and the heat exchanger to prevent air heat-exchanged with the heat exchanger from leaking into the cabinet. This structure inhibits dew from being generated on the cabinet.Type: GrantFiled: October 8, 2019Date of Patent: May 14, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Chang-Woo Jung, Sung Jae Kim, Jin-Gyun Kim, Young Tae Song, Hae Gyun Shin, Chang Sik Lee, Seo Young Cho, Sung Hyun Chun
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Publication number: 20240153655Abstract: According to an embodiment of the present invention, an emergency core cooling system (ECCS) valve provided between a reactor vessel of a system-integrated modular advanced reactor (SMART) and a small containment vessel formed to surround the reactor vessel so that a coolant is filled in a space between the reactor vessel and the small containment vessel in the event of a loss of coolant accident (LOCA) includes an outer shell connected to the reactor vessel and formed to protrude toward the small containment vessel and having a connector formed therein so as to communicatively connect an inside of the reactor vessel to an inside of the small containment vessel, an inner shell provided inside the outer shell at a preset distance from an inner wall of the outer shell, a piston movably constrained and inserted through a piston opening formed in the inner shell at a position facing the connector of the outer shell to open and close the connector, and a spring provided on an outer circumferential surface of the pType: ApplicationFiled: November 1, 2021Publication date: May 9, 2024Inventors: Soo Jai SHIN, Cheongbong CHANG, Seungyeob RYU, Han-Ok KANG, Young-In KIM, Ji Han CHUN, Sung Won LIM, Joo Hyung MOON, Hun Sik HAN, Seok KIM, Hyunjun CHO
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Publication number: 20240145824Abstract: An aluminum pouch film for a secondary battery and a manufacturing method for preparing the aluminum pouch film are disclosed. The aluminum pouch film includes an aluminum layer, an outer resin layer formed on a first surface of the aluminum layer, a first adhesive layer for bonding the aluminum layer and the outer resin layer, an inner resin layer formed on a second surface of the aluminum layer, and a second adhesive layer for bonding the aluminum layer and the inner resin layer. A heat dissipation layer containing boron carbide nanotubes is formed on one side of the outer resin layer, and the inner resin layer contains a compound formed by chemically bonding a fluoropolymer resin, a polyolefin, and a functional resin.Type: ApplicationFiled: January 28, 2022Publication date: May 2, 2024Applicant: SBTL ADVANCED MATERIALS CO., LTD.Inventors: Sang Wook CHUN, Jun Ho SHIM, Soon Sik LEE
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Publication number: 20240145823Abstract: An aluminum pouch film for a secondary battery and a method for manufacturing the aluminum pouch film are disclosed. The aluminum pouch film contains an aluminum layer; an outer resin layer formed on the first surface of the aluminum layer; a first adhesive layer for bonding the aluminum layer and the outer resin layer; an inner resin layer formed on the second surface of the aluminum layer; and a second adhesive layer for bonding the aluminum layer and the inner resin layer. The inner resin layer includes a compound formed by chemically bonding a fluoropolymer resin, a polyolefin, and a functional resin.Type: ApplicationFiled: January 28, 2022Publication date: May 2, 2024Applicant: SBTL ADVANCED MATERIALS CO., LTD.Inventors: Sang Wook CHUN, Jun Ho SHIM, Soon Sik LEE
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Publication number: 20240136618Abstract: An aluminum pouch film for a secondary battery is disclosed. The aluminum pouch film includes an aluminum film layer; an outer resin layer deposited on one surface of the aluminum film layer; and an inner resin layer deposited on the other surface of the aluminum film layer, wherein the inner resin layer comprises a polyolefin resin, an ethylene vinyl alcohol copolymer (EVOH) and a maleic anhydride polypropylene (MAHPP) resin.Type: ApplicationFiled: December 10, 2021Publication date: April 25, 2024Applicant: SBTL ADVANCED MATERALS CO., LTD.Inventors: Jun Ho SHIM, Sang Wook CHUN, Sung II PARK, Pill Gyu JANG, Soon Sik LEE
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Patent number: 11953366Abstract: A fluid level measurement system using a buoyant body includes a guide part installed in a direction perpendicular to the bottom surface of a fluid storage tank, and provided with a space in which a fluid can move therein; a buoyant body inserted into the guide part, and configured to float along the surface of the fluid inside the guide part; and a measurement part coupled to the top end of the guide part, and configured to measure the level of the surface of the fluid inside the fluid storage tank by transmitting a signal toward the buoyant body in the inner space of the guide part and then receiving a signal reflected from the buoyant body.Type: GrantFiled: July 7, 2022Date of Patent: April 9, 2024Assignee: HANRA IMS CO., LTDInventors: Suk Joon Ji, Young Gu Kim, Jong Min Chung, Chae Ho Lee, I-Hwan Cheon, Kwang Ik Chun, Dong Sik Jang
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Publication number: 20240084429Abstract: The present invention provides an aluminum-iron-plated steel sheet, having excellent mold wear resistance, for hot press forming, and a manufacturing method thereof.Type: ApplicationFiled: December 17, 2020Publication date: March 14, 2024Applicant: POSCOInventors: Jin-Keun Oh, Seong-Woo Kim, Sang-Heon Kim, Hyo-Sik Chun
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Patent number: 11897014Abstract: The present disclosure provides a hot-press formed part comprising a plated steel sheet and an aluminum alloy plated layer formed on the plated steel sheet, wherein the aluminum alloy plated layer comprises: an alloying layer (I) formed on the plated steel sheet and containing, by weight %, 5-30% of Al; an alloying layer (II) formed on the alloying layer (I) and containing, by weight %, 30 to 60% of Al; an alloying layer (III) formed on the alloying layer (II) and containing, by weight %, 20-50% of Al and 5-20% of Si; and an alloying layer (IV) formed continuously or discontinuously on at least a part of the surface of the alloying layer (III), and containing 30-60% of Al, wherein the rate of the alloying layer (III) exposed on the outermost surface of the aluminum alloy plated layer is 10% or more.Type: GrantFiled: January 12, 2023Date of Patent: February 13, 2024Assignee: POSCO CO., LTDInventors: Seong-Woo Kim, Jin-Keun Oh, Sang-Heon Kim, Hyo-Sik Chun
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Publication number: 20230383373Abstract: Provided are plated steel sheets for hot press forming, hot press formed parts, and manufacturing methods thereof, the plated steel sheets comprising: a base steel sheet comprising, in weight %, C: 0.07 to 0.5%, Si: 0.05 to 1%, Mn: 0.5 to 5%, P: 0.001 to 0.015%, S: 0.0001 to 0.02%, Al: 0.01 to 0.1%, Cr: 0.01 to 1%, N: 0.001 to 0.02%, Ti: 0.1% or less, B: 0.01% or less, Sn: 0.01 to 0.1%, and a balance of Fe and inevitable impurities; an aluminum or aluminum alloy plating layer disposed on at least one surface of the base steel sheet; and an Sn-enriched layer provided between the base steel sheet and the plating layer, wherein the Sn-enriched layer satisfies a specific relationship.Type: ApplicationFiled: December 3, 2021Publication date: November 30, 2023Applicant: POSCO Co., LtdInventors: Jin-Keun Oh, Seong-Woo Kim, Sang-Heon Kim, Hyo-Sik Chun
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Publication number: 20230227956Abstract: The present disclosure provides a hot-press formed part comprising a plated steel sheet and an aluminum alloy plated layer formed on the plated steel sheet, wherein the aluminum alloy plated layer comprises: an alloying layer (I) formed on the plated steel sheet and containing, by weight %, 5-30% of Al; an alloying layer (II) formed on the alloying layer (I) and containing, by weight %, 30 to 60% of Al; an alloying layer (III) formed on the alloying layer (II) and containing, by weight %, 20-50% of Al and 5-20% of Si; and an alloying layer (IV) formed continuously or discontinuously on at least a part of the surface of the alloying layer (III), and containing 30-60% of Al, wherein the rate of the alloying layer (III) exposed on the outermost surface of the aluminum alloy plated layer is 10% or more.Type: ApplicationFiled: March 20, 2023Publication date: July 20, 2023Applicant: POSCO CO, LTDInventors: Seong-Woo KIM, Jin-Keun OH, Sang-Heon KIM, Hyo-Sik CHUN
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Publication number: 20230167531Abstract: The present disclosure provides a hot-press formed part comprising a plated steel sheet and an aluminum alloy plated layer formed on the plated steel sheet, wherein the aluminum alloy plated layer comprises: an alloying layer (I) formed on the plated steel sheet and containing, by weight %, 5-30% of Al; an alloying layer (II) formed on the alloying layer (I) and containing, by weight %, 30 to 60% of Al; an alloying layer (III) formed on the alloying layer (II) and containing, by weight %, 20-50% of Al and 5-20% of Si; and an alloying layer (IV) formed continuously or discontinuously on at least a part of the surface of the alloying layer (III), and containing 30-60% of Al, wherein the rate of the alloying layer (III) exposed on the outermost surface of the aluminum alloy plated layer is 10% or more.Type: ApplicationFiled: January 12, 2023Publication date: June 1, 2023Applicant: POSCO CO, LTDInventors: Seong-Woo KIM, Jin-Keun OH, Sang-Heon KIM, Hyo-Sik CHUN
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Patent number: 11578397Abstract: The present disclosure provides a hot-press formed part comprising a plated steel sheet and an aluminum alloy plated layer formed on the plated steel sheet, wherein the aluminum alloy plated layer comprises: an alloying layer (I) formed on the plated steel sheet and containing, by weight %, 5-30% of Al; an alloying layer (II) formed on the alloying layer (I) and containing, by weight %, 30 to 60% of Al; an alloying layer (III) formed on the alloying layer (II) and containing, by weight %, 20-50% of Al and 5-20% of Si; and an alloying layer (IV) formed continuously or discontinuously on at least a part of the surface of the alloying layer (III), and containing 30-60% of Al, wherein the rate of the alloying layer (III) exposed on the outermost surface of the aluminum alloy plated layer is 10% or more.Type: GrantFiled: November 20, 2019Date of Patent: February 14, 2023Assignee: POSCO CO., LTDInventors: Seong-Woo Kim, Jin-Keun Oh, Sang-Heon Kim, Hyo-Sik Chun
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Publication number: 20230039326Abstract: Disclosed herein is a stone removing apparatus and a stone size measuring method, which can take a picture of a stone and measure the size of the stone in order to stably remove the stone without damaging a human body. The stone removing apparatus includes: an insertion tube having an inner space; a guide tube inserted into the inner space of the insertion tube to be moved; a wire inserted into the guide tube to be movable; a basket disposed at the front of the wire to grasp a stone; an imaging unit disposed at the front end of the guide tube in order to take an image of a stone grasped by the basket; and a control unit electrically connected with the imaging part to analyze the image taken by the imaging unit, wherein the control unit calculates a distance between the imaging unit and the basket to measure the actual size of the stone using the calculated distance.Type: ApplicationFiled: August 9, 2021Publication date: February 9, 2023Inventor: Byung Sik CHUN
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Publication number: 20230002873Abstract: An embodiment of the present invention provides steel for hot forming, a hot-formed member, and methods for manufacturing same, the steel comprising, by wt %, 0.06-0.1% of C, 0.05-0.6% of Si, 0.6-2% of Mn, 0.05% or less of P, 0.02% or less of S, 0.01-0.1% of Al, 0.01-0.8% of Cr, 0.01-0.5% of Mo, 0.02% or less of N, and the remainder of Fe and inevitable impurities, wherein an alloy factor represented by relational expression 1 below is 7 or more, and the number of carbides having a circular equivalent diameter of 0.5 ?m or greater is 105/mm2 or less. Alloy factor=I(Mn)×I(Si)×I(Cr)×I(Mo)??[Relational expression 1] where the I values for the components are I(Mn)=3.34×Mn+1, I(Si)=0.7×Si+1, I(Cr)=2.16×Cr+1, and I(Mo)=3×Mo+1, respectively, and the content of each component is expressed as wt %.Type: ApplicationFiled: December 18, 2020Publication date: January 5, 2023Applicant: POSCOInventors: Seong-Woo Kim, Jin-Keun Oh, Sang-Heon Kim, Hyo-Sik Chun, Seong-Beom Bae
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Publication number: 20210395872Abstract: The present disclosure provides a hot-press formed part comprising a plated steel sheet and an aluminum alloy plated layer formed on the plated steel sheet, wherein the aluminum alloy plated layer comprises: an alloying layer (I) formed on the plated steel sheet and containing, by weight %, 5-30% of Al; an alloying layer (II) formed on the alloying layer (I) and containing, by weight %, 30 to 60% of Al; an alloying layer (III) formed on the alloying layer (II) and containing, by weight %, 20-50% of Al and 5-20% of Si; and an alloying layer (IV) formed continuously or discontinuously on at least a part of the surface of the alloying layer (III), and containing 30-60% of Al, wherein the rate of the alloying layer (III) exposed on the outermost surface of the aluminum alloy plated layer is 10% or more.Type: ApplicationFiled: November 20, 2019Publication date: December 23, 2021Inventors: Seong-Woo KIM, Jin-Keun OH, Sang-Heon KIM, Hyo-Sik CHUN
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Patent number: 11072838Abstract: To optimize equipment and processes to enhance magnetic domain refinement efficiency and to enhance workability to improve processing capability, a method of refining a magnetic domain of a grain-oriented electrical steel plate includes zigzag controlling for transferring the steel plate without being inclined in right and left directions along a production line center, steel plate support roll position adjusting for controlling a position of the steel plate in up and down directions while supporting the steel plate, laser beam irradiating for irradiating a laser beam to a surface of the steel plate to melt the steel plate to form a groove in the surface of the steel plate, and removing for absorbing and removing radiant heat due to reflection of the laser beam irradiated to the surface of the steel plate during the laser beam irradiating.Type: GrantFiled: December 26, 2016Date of Patent: July 27, 2021Assignee: POSCOInventors: Seung Ho Lim, Do Ryun Lee, Jin Ho Kim, Myung Sik Chun, Gyoo Taek Lee, Seong Cheol Hong
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Patent number: 11060163Abstract: Provided is a method for refining magnetic domains of grain-oriented electrical steel plates including: a steel plate supporting roll position adjusting step of controlling a vertical direction position of the steel plate while supporting the steel plate; a laser radiating step of melting the steel plate by radiating a laser beam to form grooves on the surface of the steel plate; and a setting and maintaining step of setting and maintaining an internal operation environment of a laser room in which the laser radiation is performed, so as to increase magnetic domain refinement efficiency and improve workability by optimizing equipment and processes, thereby increasing the processing capacity.Type: GrantFiled: December 23, 2016Date of Patent: July 13, 2021Assignee: POSCOInventors: Seong Cheol Hong, Jae Kyoum Kim, Ki Young Min, Se Min Park, Myung Sik Chun, Gyoo Taek Lee, Oh Yeoul Kwon, Hyun Chui Park
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Publication number: 20210206698Abstract: The present invention relates to the application of soilless cultivation such hydroponics or aquaponics cultivation. More particularly, the present invention relates to a method for producing a microbial-enhanced organic liquid fertilizer for hydroponic cultivation and a bioreactor system for producing the same. The method relates to produce high productivity and highly effective organic liquid fertilizer by using the bioreactor system.Type: ApplicationFiled: December 15, 2020Publication date: July 8, 2021Inventors: Sik Chun Johnny LO, Kwan Wing CHEU, Tong GUO, Kin Hang Ken NG
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Patent number: 11000920Abstract: By optimizing equipment and processing, magnetic domain miniaturization efficiency can be increased, workability can be improved, and processing ability can be increased through same.Type: GrantFiled: December 23, 2016Date of Patent: May 11, 2021Assignee: POSCOInventors: Gyoo Taek Lee, Myung Sik Chun, Seong Cheol Hong, Ki Young Min
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Patent number: 10661919Abstract: A docking simulator according to an exemplary embodiment of the present disclosure is a docking simulator capable of mimicking docking between two flight vehicles in a zero gravity environment, the docking simulator including: a passive module which is disposed at a preset position; and an active module which performs docking with the passive module by approaching the passive module while performing a translational motion. According to the present disclosure, the docking simulator capable of performing, on the ground, a logic verification test for rendezvous docking between the two flight vehicles in the space in the zero gravity environment is implemented, and as a result, it is possible to perform more various logic verification tests for rendezvous docking by mimicking the rendezvous docking by using actual objects.Type: GrantFiled: November 27, 2017Date of Patent: May 26, 2020Assignee: Korea Aerospace Research InstituteInventors: Jae Wook Kwon, Yong Sik Chun, Il Young Kim, Dong Young Rew, Gi Hyuk Choi