Patents by Inventor Won-Chan Park
Won-Chan Park 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: 11668666Abstract: The present invention relates to a method for early detection of carbonization during the drying of an organic material. The method of the present invention measures temperature variation per unit time of exhaust gas containing water (H2O), carbon monoxide (CO), or carbon dioxide (CO2), which are to be generated by the pyrolysis of an organic material, and the concentration of carbon monoxide/carbon dioxide of the exhaust gas, so as to determine the occurrence of carbonization therethrough, thereby enabling early detection of carbonization within a dryer.Type: GrantFiled: February 23, 2018Date of Patent: June 6, 2023Inventors: Yong Joon Choi, Won Chan Park, Kyung Hyun Song
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Patent number: 11666858Abstract: The present application relates to a method for determining process conditions to remove volatile organic compounds from a polymer product through blowing. According to the method of the present application, time and energy can be saved.Type: GrantFiled: April 23, 2018Date of Patent: June 6, 2023Inventors: Je Seob Park, Won Chan Park, Jae Hoon Choi
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Publication number: 20230016387Abstract: The present invention relates to an electrode drying apparatus and an electrode drying method, and the electrode drying apparatus includes: an oven configured to provide a space in which the electrode is dried and to include a hot air nozzle or an infrared heater; a color coordinate measuring unit configured to be positioned at an outlet of the oven and measure a color coordinate value of an electrode active material layer with respect to the dried electrode; and a controller configured to analyze a drying result of the electrode from the color coordinate value, determine whether the electrode is defective in drying, and control a drying condition of the electrode.Type: ApplicationFiled: November 11, 2020Publication date: January 19, 2023Applicant: LG ENERGY SOLUTION, LTD.Inventors: Kyoung Ho KIM, Kyung Mee LEE, Hyun Jin YANG, Hyun Sup LEE, Won Chan PARK, Myung Han LEE, Ji Eun KIM
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Patent number: 11407845Abstract: A method for controlling a residual monomer content of a polymer, wherein when a hot-air temperature and a hot-air velocity are maintained, the controlling method can predict the content of the residual monomer by controlling a hot-air mass ratio without influence of other external factors.Type: GrantFiled: September 22, 2017Date of Patent: August 9, 2022Assignee: LG Chem, Ltd.Inventors: Yong Joon Choi, Won Chan Park
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Patent number: 11168939Abstract: The present invention relates to a drying system, and according to one aspect of the present invention, there is provided a drying system comprising a transfer conveyor for transporting particles, a particle dispersing device including a rotary member provided at one side of the transfer conveyor and having a rotation center, a drive part for rotating the rotary member and a particle supply part mounted on the rotary member having particles stored therein, and a heating part for drying the particles on the transfer conveyor in a transfer process, wherein the heating part comprises a heat exchanger and a blast fan, and is provided such that air discharged from the blast fan is supplied to the transfer conveyor after passing through the heat exchanger.Type: GrantFiled: December 21, 2017Date of Patent: November 9, 2021Assignee: LG CHEM, LTD.Inventors: Jae Hoon Choi, Won Chan Park
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Patent number: 10784015Abstract: Disclosed herein is a bus bar connected or fastened to a terminal part of a battery pack and fixedly mounted to a battery pack case, the bus bar including a power input part located at one end of the bus bar such that the power input part is connected or fastened to an output terminal part of the battery pack, a power output part located at the other end of the bus bar such that the power output part is connected or fastened to an input terminal part of the battery pack, a plate-shaped main body connected between the power input part and the power output part, the plate-shaped main body including a vapor chamber, and a fastening part formed at the power input part to fix the bus bar to the battery pack case.Type: GrantFiled: January 23, 2013Date of Patent: September 22, 2020Assignee: LG CHEM, LTD.Inventors: Kyoung Ho Kim, Chae Ho Chung, Ye Hoon Im, Won Chan Park
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Publication number: 20200141641Abstract: The present invention relates to a drying system, and according to one aspect of the present invention, there is provided a drying system comprising a transfer conveyor for transporting particles, a particle dispersing device including a rotary member provided at one side of the transfer conveyor and having a rotation center, a drive part for rotating the rotary member and a particle supply part mounted on the rotary member having particles stored therein, and a heating part for drying the particles on the transfer conveyor in a transfer process, wherein the heating part comprises a heat exchanger and a blast fan, and is provided such that air discharged from the blast fan is supplied to the transfer conveyor after passing through the heat exchanger.Type: ApplicationFiled: December 21, 2017Publication date: May 7, 2020Inventors: Jae Hoon CHOI, Won Chan PARK
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Publication number: 20200129920Abstract: The present application relates to a method for determining process conditions to remove volatile organic compounds from a polymer product through blowing. According to the method of the present application, time and energy can be saved.Type: ApplicationFiled: April 23, 2018Publication date: April 30, 2020Applicant: LG Chem, Ltd.Inventors: Je Seob Park, Won Chan Park, Jae Hoon Choi
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Patent number: 10634182Abstract: According to an aspect of the present disclosure, a shim plate which is inserted between components that are assembled to and disassembled from one another via at least one shaft may be provided. The shim plate includes a plurality of plate pieces that are separable from one another, wherein the plurality of plate pieces are configured such that one plate piece is connected to the other plate piece in a circumferential direction, and an internal ring-shaped empty space is formed.Type: GrantFiled: May 31, 2016Date of Patent: April 28, 2020Assignee: LG Chem, Ltd.Inventors: Jae-Hyoung Jeon, Yang-Bae Jo, Won-Chan Park
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Publication number: 20200017612Abstract: A method for controlling a residual monomer content of a polymer, wherein when a hot-air temperature and a hot-air velocity are maintained, the controlling method can predict the content of the residual monomer by controlling a hot-air mass ratio without influence of other external factors.Type: ApplicationFiled: September 22, 2017Publication date: January 16, 2020Applicant: LG Chem, Ltd.Inventors: Yong Joon Choi, Won Chan Park
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Patent number: 10464004Abstract: A bag filter filtration and dust collecting apparatus according to the present invention is a bag filter filtration and dust collecting apparatus using a bag filter for collecting dust and the like from supplied polluted air and then discharging the dust and the like to the outside, and the bag filter filtration and dust collecting apparatus comprises: an upper case in which a plurality of bag filters for filtering dust are installed in the vertical direction; a lower case, formed at a lower end of the upper case, which collects dust that falls from the bag filter; and at least two mutually parallel air supply pipes, passing through the lower case, which supply polluted air into the bag filter filtration and dust collecting apparatus, wherein the air supply pipe is provided with a side discharge hole formed on the side thereof whereby the air spray is directed toward the inner side wall of the upper case or the lower case, and accordingly, a central space between the at least two air supply pipes forms a regiType: GrantFiled: July 26, 2016Date of Patent: November 5, 2019Assignee: LG CHEM, LTD.Inventors: Hyung-Sop Kim, Won-Chan Park, Yong-Jin Baek, Jong-Oh Won
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Publication number: 20190331619Abstract: The present invention relates to a method for early detection of carbonization during the drying of an organic material. The method of the present invention measures temperature variation per unit time of exhaust gas containing water (H2O), carbon monoxide (CO), or carbon dioxide (CO2), which are to be generated by the pyrolysis of an organic material, and the concentration of carbon monoxide/carbon dioxide of the exhaust gas, so as to determine the occurrence of carbonization therethrough, thereby enabling early detection of carbonization within a dryer.Type: ApplicationFiled: February 23, 2018Publication date: October 31, 2019Applicant: LG Chem, Ltd.Inventors: Yong Joon Choi, Won Chan Park, Kyung Hyun Song
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Patent number: 10232399Abstract: Disclosed is a slot coater, which includes a feeding unit having a passage through which a coating fluid flows in, a manifold for accommodating the coating fluid supplied through the feeding unit, a discharge unit communicating with the manifold to discharge the coating fluid accommodated in the manifold, a plurality of shim plates arranged at regular intervals in a length direction of the manifold, and a temperature control unit for generating a temperature difference between a shim plate located relatively closer to the feeding unit and a shim plate located respectively farther from the feeding unit.Type: GrantFiled: October 20, 2015Date of Patent: March 19, 2019Assignee: LG CHEM, LTD.Inventors: Jae-Hoon Choi, Won-Chan Park
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Publication number: 20180320965Abstract: The present invention relates to a dryer and a controlling method thereof, and according to one aspect of the present invention, there is provided a dryer comprising a belt conveyor for conveying a first material to be dried, a heating device for generating a high temperature gas to dry the first material, a first supply part provided to supply the high temperature gas heated in the heating device toward the belt of the belt conveyor and a second supply part provided to supply the high temperature gas heated in the heating device to the ceiling side of the space in which the belt conveyor is located.Type: ApplicationFiled: March 24, 2017Publication date: November 8, 2018Applicant: LG Chem, Ltd.Inventors: Hyung Sop Kim, Won Chan Park, Yong Hak Jang, Nam Young Yoon
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Publication number: 20180149187Abstract: According to an aspect of the present disclosure, a shim plate which is inserted between components that are assembled to and disassembled from one another via at least one shaft may be provided. The shim plate includes a plurality of plate pieces that are separable from one another, wherein the plurality of plate pieces are configured such that one plate piece is connected to the other plate piece in a circumferential direction, and an internal ring-shaped empty space is formed.Type: ApplicationFiled: May 31, 2016Publication date: May 31, 2018Applicant: LG Chem, Ltd.Inventors: Jae-Hyoung Jeon, Yang-Bae Jo, Won-Chan Park
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Patent number: 9943887Abstract: A fluid supplying apparatus includes an inner tube having a plurality of holes for distributing a fluid supplied from a supply unit, and an outer tube arranged coaxially or non-coaxially with the inner tube to surround the inner tube and having a plurality of slots for injecting the fluid distributed therein from the holes to the outside. The outer tube substantially has the same length as the inner tube. The fluid supplying apparatus may be used for a thin film cleaning system or method.Type: GrantFiled: February 15, 2013Date of Patent: April 17, 2018Assignee: LG CHEM, LTD.Inventors: Young Ju Seo, Chae-Ho Chung, Do-Ki Chang, Ki-Kyo Yeom, Ye-Hoon Im, Jae-Min Kim, Kyoung-Hoon Min, Won-Chan Park
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Publication number: 20180065071Abstract: A bag filter filtration and dust collecting apparatus according to the present invention is a bag filter filtration and dust collecting apparatus using a bag filter for collecting dust and the like from supplied polluted air and then discharging the dust and the like to the outside, and the bag filter filtration and dust collecting apparatus comprises: an upper case in which a plurality of bag filters for filtering dust are installed in the vertical direction; a lower case, formed at a lower end of the upper case, which collects dust that falls from the bag filter; and at least two mutually parallel air supply pipes, passing through the lower case, which supply polluted air into the bag filter filtration and dust collecting apparatus, wherein the air supply pipe is provided with a side discharge hole formed on the side thereof whereby the air spray is directed toward the inner side wall of the upper case or the lower case, and accordingly, a central space between the at least two air supply pipes forms a regiType: ApplicationFiled: July 26, 2016Publication date: March 8, 2018Applicant: LG CHEM, LTD.Inventors: Hyung-Sop KIM, Won-Chan PARK, Yong-Jin BAEK, Jong-Oh WON
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Patent number: 9682395Abstract: The present application relates to a slot die coating apparatus and, more particularly, to a slot die coating apparatus which can ensure the coating stability of a substrate film by reducing pressure oscillations within a vacuum chamber when slot die coating is carried out. The slot die coating apparatus according to the present application can effectively dampen pressure oscillations within a vacuum chamber by connecting a pressure oscillation reducing tank to the vacuum chamber and thus can ensure the coating stability of a substrate film, resulting in a reduction in the proportion of defective products.Type: GrantFiled: February 28, 2014Date of Patent: June 20, 2017Assignee: LG CHEM, LTD.Inventors: Won Chan Park, Jung Hyun Yeo, Ye Hoon Im
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Publication number: 20160114340Abstract: Disclosed is a slot coater, which includes a feeding unit having a passage through which a coating fluid flows in, a manifold for accommodating the coating fluid supplied through the feeding unit, a discharge unit communicating with the manifold to discharge the coating fluid accommodated in the manifold, a plurality of shim plates arranged at regular intervals in a length direction of the manifold, and a temperature control unit for generating a temperature difference between a shim plate located relatively closer to the feeding unit and a shim plate located respectively farther from the feeding unit.Type: ApplicationFiled: October 20, 2015Publication date: April 28, 2016Inventors: Jae-Hoon CHOI, Won-Chan PARK
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Publication number: 20160093880Abstract: Disclosed is a method for manufacturing an electrode, which comprises drying an electrode sheet including a current collector and an electrode active material slurry coated to the current collector and containing an electrode active material, a binder and a solvent, wherein the electrode sheet is dried by a mid-infrared lamp which irradiates mid-infrared rays with a wavelength of 1 ?m to 3 ?m to the electrode sheet, and a surface temperature of the electrode sheet has a constant region in the range of 50° C. to 70° C. Since an electrode is dried by using a mid-infrared lamp, the electrode may be uniformly dried, and an adhesion force between the electrode active material layer and the current collector may be greatly improved, which allows great enhancement of characteristics of a battery to which the electrode is applied.Type: ApplicationFiled: September 25, 2015Publication date: March 31, 2016Inventors: Jin-Oh SONG, Yong-Joon CHOI, Won-Chan PARK, Kyoung-Ho KIM