Patents by Inventor Yong Cheol Shin
Yong 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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Publication number: 20230166218Abstract: Disclosed are a slidable filtration apparatus capable of performing reciprocating motion in a filtration tank and a filtration system including the same. The filtration apparatus includes a frame and a membrane module installed in the frame, wherein the frame includes at least two horizontal linear motion members provided at an upper portion thereof.Type: ApplicationFiled: November 28, 2022Publication date: June 1, 2023Applicant: HIFIL TECH INC.Inventors: Hee-Wan MOON, Yong-Cheol Shin, Ho-Chan Jung
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Patent number: 10854904Abstract: Disclosed are a polymer electrolyte membrane, a method for manufacturing the same and a membrane-electrode assembly comprising the same, the polymer electrolyte membrane includes a hydrocarbon-containing ion conductive layer; and a fluorine-containing ion conductor discontinuously dispersed on the hydrocarbon-containing ion conductive layer.Type: GrantFiled: March 28, 2013Date of Patent: December 1, 2020Assignee: KOLON INDUSTRIES, INC.Inventors: Moo Seok Lee, Yong Cheol Shin, Na Young Kim, Dong Hoon Lee
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Patent number: 10535890Abstract: Provided are a polymer electrode membrane including a porous support including a web of nanofibers of a first hydrocarbon-based ion conductor that are arranged irregularly and discontinuously; and a second hydrocarbon-based ion conductor filling the pores of the porous support, the first hydrocarbon-based ion conductor being a product obtained by eliminating at least a portion of the protective groups (Y) in a precursor of the first hydrocarbon-based ion conductor represented by Formula (1), a method for producing the polymer electrolyte membrane, and a membrane electrode assembly including the polymer electrolyte membrane: wherein m, p, q, M, M?, X and Y respectively have the same meanings as defined in the specification.Type: GrantFiled: September 30, 2014Date of Patent: January 14, 2020Assignee: KOLON INDUSTRIES, INC.Inventors: Moo Seok Lee, Dong Hoon Lee, Yong Cheol Shin, Na Young Kim, Eun Su Lee, Han Moon Cho
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Patent number: 10413869Abstract: A composite hollow fiber membrane having improved water permeability and peel strength and a manufacturing method thereof are disclosed. The composite hollow fiber membrane includes a tubular polymer membrane having an outer surface and an inner surface, and a tubular braid disposed between the outer surface and the inner surface of the tubular polymer membrane, the tubular braid comprises a plurality of yarns, each of the yarns includes first multifilaments and second multifilaments, each of the first multifilaments includes a plurality of first monofilaments having fineness of 3 to 50 denier, and each of the second multifilaments includes a plurality of second monofilaments having fineness of 0.4 to 3 denier.Type: GrantFiled: December 24, 2014Date of Patent: September 17, 2019Assignee: KOLON INDUSTRIES, INC.Inventors: Ah Reum Lee, Jae Hun Lee, Yong-Cheol Shin, Heewan Moon
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Patent number: 10381672Abstract: Disclosed are a reinforced composite membrane for fuel cells including a porous support comprising three-dimensionally irregularly and discontinuously arranged nanofibers of a polymer and a first ionic conductor, and a second ionic conductor filling pores of the porous support, wherein the first ionic conductor is present as nanofibers in the porous support or is present in the nanofibers of the polymer to form the nanofibers together with the polymer, and a membrane-electrode assembly for fuel cells including the same. As a result, impregnation uniformity and impregnation rate of the ionic conductors are improved and proton (hydrogen ion) conductivity is thus enhanced.Type: GrantFiled: December 27, 2013Date of Patent: August 13, 2019Assignee: KOLON INDUSTRIES, INC.Inventors: Moo Seok Lee, Yong Cheol Shin, Na Young Kim, Eun Su Lee, Dong Hoon Lee
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Patent number: 10052591Abstract: Disclosed are system and method for filtration which can minimize the contamination of the filtering membrane through a pretreatment and perform the pretreatment and the filtration with a filtering membrane in a single filtering unit so that any need for separate and additional space and facility for the pretreatment can be obviated. The system for filtration of the present invention comprises a fine bubble supplier for providing fine bubbles into the feed water. The pretreatment is performed by supplying the feed water to be treated into the filtering unit through a dynamic filtration layer which is formed in the filtering unit as the fine bubbles rise.Type: GrantFiled: September 27, 2011Date of Patent: August 21, 2018Assignees: KOLON INDUSTRIES, INC., KOLON ENVIRONMENTAL SERVICE CO., LTD.Inventors: Kwang-Jin Lee, Ah Reum Lee, Yong-Cheol Shin, Joon Yul Yang
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Patent number: 10003096Abstract: The present invention relates to a polymer electrolyte membrane, and a membrane-electrode assembly and a fuel cell containing the same, and the polymer electrolyte membrane comprises a polymer comprising repeating units represented by the following chemical formulas 1-3. Chemical formulas 1-3 are as defined in the specification. The polymer electrolyte membrane has excellent resistance to radical attack and has improved acid-base interaction, thereby maximizing the function of an ion conductive group, and thus can improve the operation performance of a fuel cell in a low humidification state.Type: GrantFiled: March 25, 2015Date of Patent: June 19, 2018Assignee: KOLON INDUSTRIES, INC.Inventors: Na Young Kim, Moo Seok Lee, Dong Hoon Lee, Yong Cheol Shin
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Patent number: 9808766Abstract: Disclosed are a pressurized-type hollow fiber membrane module having a pressure resistance higher than 3 kgf/cm2 and a filtration system comprising the same. The pressurized-type hollow fiber membrane module comprises: a body case having an open end; a fixing member disposed in the body case at the open end; a hollow fiber membrane potted in the fixing member; and a cap on the open end of the body case, the cap and fixing member forming a filtrate-collecting space, wherein a lumen of the hollow fiber membrane is in fluid communication with the filtrate-collecting space, the fixing member has a step so that an upper side surface of the fixing member is not in contact with an inner surface of the body case, and a portion of the cap is inserted in a groove defined by the step of the fixing member and the inner surface of the body case.Type: GrantFiled: July 24, 2013Date of Patent: November 7, 2017Assignee: KOLON INDUSTRIES, INC.Inventors: Ah Reum Lee, Yong-Cheol Shin, Heewan Moon
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Patent number: 9761900Abstract: Disclosed are a polymer electrolyte membrane showing high ion conductivity even under the condition of low humidity and high temperature and a method for manufacturing the same. The polymer electrolyte membrane of the present invention comprises a porous substrate, a self proton conducting material dispersed in the porous substrate, and an ion conductor impregnated in the porous substrate. The self proton conducting material comprises an inorganic particle functionalized with an azole ring.Type: GrantFiled: July 30, 2012Date of Patent: September 12, 2017Assignee: KOLON INDUSTRIES, INC.Inventors: Dong Hoon Lee, Moo-Seok Lee, Na Young Kim, Yong-Cheol Shin
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Publication number: 20170098845Abstract: The present invention relates to a polymer electrolyte membrane, and a membrane-electrode assembly and a fuel cell containing the same, and the polymer electrolyte membrane comprises a polymer comprising repeating units represented by the following chemical formulas 1-3. Chemical formulas 1-3 are as defined in the specification. The polymer electrolyte membrane has excellent resistance to radical attack and has improved acid-base interaction, thereby maximizing the function of an ion conductive group, and thus can improve the operation performance of a fuel cell in a low humidification state.Type: ApplicationFiled: March 25, 2015Publication date: April 6, 2017Applicant: KOLON INDUSTRIES, INC.Inventors: Na Young KIM, Moo Seok LEE, Dong Hoon LEE, Yong Cheol SHIN
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Patent number: 9553325Abstract: Provided are a polymer electrolyte membrane used in fuel cells, and a method for producing the same, the method including a step of filling a crosslinkable ion conductor in the pores of a porous nanoweb support; and a step of crosslinking the ion conductor filled in the pores of the porous nanoweb support. The method for producing a polymer electrolyte membrane uses a relatively smaller amount of an organic solvent, can ameliorate defects of the support caused by solvent evaporation, and can enhance the impregnability of the ion conductor to the support and the convenience of the process.Type: GrantFiled: December 4, 2015Date of Patent: January 24, 2017Assignee: KOLON INDUSTRIES, INC.Inventors: Dong Hoon Lee, Na Young Kim, Moo Seok Lee, Yong Cheol Shin
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Publication number: 20160325236Abstract: A composite hollow fiber membrane having improved water permeability and peel strength and a manufacturing method thereof are disclosed. The composite hollow fiber membrane includes a tubular polymer membrane having an outer surface and an inner surface, and a tubular braid disposed between the outer surface and the inner surface of the tubular polymer membrane, the tubular braid comprises a plurality of yarns, each of the yarns includes first multifilaments and second multifilaments, each of the first multifilaments includes a plurality of first monofilaments having fineness of 3 to 50 denier, and each of the second multifilaments includes a plurality of second monofilaments having fineness of 0.4 to 3 denier.Type: ApplicationFiled: December 24, 2014Publication date: November 10, 2016Applicant: KOLON INDUSTRIES, INC.Inventors: Ah Reum LEE, Jae Hun LEE, Yong-Cheol SHIN, Heewan MOON
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Publication number: 20160260995Abstract: Provided are a polymer electrode membrane including a porous support including a web of nanofibers of a first hydrocarbon-based ion conductor that are arranged irregularly and discontinuously; and a second hydrocarbon-based ion conductor filling the pores of the porous support, the first hydrocarbon-based ion conductor being a product obtained by eliminating at least a portion of the protective groups (Y) in a precursor of the first hydrocarbon-based ion conductor represented by Formula (1), a method for producing the polymer electrolyte membrane, and a membrane electrode assembly including the polymer electrolyte membrane: wherein m, p, q, M, M?, X and Y respectively have the same meanings as defined in the specification.Type: ApplicationFiled: September 30, 2014Publication date: September 8, 2016Applicant: KOLON INDUSTRIES, INC.Inventors: Moo Seok LEE, Dong Hoon LEE, Yong Cheol SHIN, Na Young KIM, Eun Su LEE, Han Moon CHO
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Publication number: 20160181642Abstract: Provided are a polymer electrolyte membrane used in fuel cells, and a method for producing the same, the method including a step of filling a crosslinkable ion conductor in the pores of a porous nanoweb support; and a step of crosslinking the ion conductor filled in the pores of the porous nanoweb support. The method for producing a polymer electrolyte membrane uses a relatively smaller amount of an organic solvent, can ameliorate defects of the support caused by solvent evaporation, and can enhance the impregnability of the ion conductor to the support and the convenience of the process.Type: ApplicationFiled: December 4, 2015Publication date: June 23, 2016Applicant: KOLON INDUSTRIES, INC.Inventors: Dong Hoon LEE, Na Young KIM, Moo Seok LEE, Yong Cheol SHIN
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Patent number: 9314745Abstract: Disclosed are a porous membrane having improved water permeability and elongation at break as well as high mechanical strength and impurity rejection rate and a method for manufacturing the same. The porous membrane of the present invention comprises a symmetric bead structure comprising a plurality of spherical crystallites. Each of the plurality of spherical crystallites comprises a plurality of sub-spherical crystallites.Type: GrantFiled: March 28, 2013Date of Patent: April 19, 2016Assignee: KOLON INDUSTRIES, INC.Inventors: Jae Hee Ryu, Yong-Cheol Shin, Jae Hun Lee
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Patent number: 9240607Abstract: Provided are a polymer electrolyte membrane used in fuel cells, and a method for producing the same, the method including a step of filling a crosslinkable ion conductor in the pores of a porous nanoweb support; and a step of crosslinking the ion conductor filled in the pores of the porous nanoweb support. The method for producing a polymer electrolyte membrane uses a relatively smaller amount of an organic solvent, can ameliorate defects of the support caused by solvent evaporation, and can enhance the impregnability of the ion conductor to the support and the convenience of the process.Type: GrantFiled: April 2, 2012Date of Patent: January 19, 2016Assignee: KOLON INDUSTRIES, INC.Inventors: Dong Hoon Lee, Na Young Kim, Moo Seok Lee, Yong Cheol Shin
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Patent number: 9209467Abstract: Disclosed is a humidifier for a fuel cell having an enhanced humidifying performance and being able to prevent an instantaneous decrease of the output of a car which might occur at the time of high-speed driving. The humidifier comprises a membrane housing with first and second ends; a bundle of hollow fiber membranes provided in an inner space of the membrane housing; a humidity retainer provided in the inner space of the membrane housing; a first cover mounted on the first end of the membrane housing, the first cover including an inlet for introducing unreacted gas of high-humidity discharged from a stack; and a second cover mounted on the second end of the membrane housing, the second cover including an outlet for discharging the unreacted gas used for humidification.Type: GrantFiled: August 17, 2011Date of Patent: December 8, 2015Assignee: KOLON INDUSTRIES, INC.Inventors: Kyoung-Ju Kim, Yong-Cheol Shin, Moo-Seok Lee
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Publication number: 20150303505Abstract: Disclosed are a reinforced composite membrane for fuel cells including a porous support comprising three-dimensionally irregularly and discontinuously arranged nanofibers of a polymer and a first ionic conductor, and a second ionic conductor filling pores of the porous support, wherein the first ionic conductor is present as nanofibers in the porous support or is present in the nanofibers of the polymer to form the nanofibers together with the polymer, and a membrane-electrode assembly for fuel cells including the same. As a result, impregnation uniformity and impregnation rate of the ionic conductors are improved and proton (hydrogen ion) conductivity is thus enhanced.Type: ApplicationFiled: December 27, 2013Publication date: October 22, 2015Inventors: Moo Seok LEE, Yong Cheol SHIN, Na Young KIM, Eun Su LEE, Dong Hoon LEE
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Publication number: 20150298067Abstract: Disclosed are a porous membrane having improved water permeability and elongation at break as well as high mechanical strength and impurity rejection rate and a method for manufacturing the same. The porous membrane of the present invention comprises a symmetric bead structure comprising a plurality of spherical crystallites. Each of the plurality of spherical crystallites comprises a plurality of sub-spherical crystallites.Type: ApplicationFiled: March 28, 2013Publication date: October 22, 2015Applicant: KOLON INDUSTRIES, INC.Inventors: Jae Hee RYU, Yong-Cheol SHIN, Jae Hun LEE
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Patent number: 9160015Abstract: Disclosed is a humidifier for fuel cell including a membrane housing including a first end, a second end positioned at an opposite side of the first end, and plural holes provided along the outer circumferential surface of the second end; hollow fiber membranes having both ends respectively potted into the first and second ends of the membrane housing, wherein the hollow fiber membranes are positioned inside the membrane housing; and a cap including an inlet for moisture-containing unreacted gas, wherein the cap is installed at the second end of the membrane housing, and an inner surface of the cap is provided with plural projections enabling the moisture-containing unreacted gas supplied through the inlet to be uniformly distributed to the plural holes.Type: GrantFiled: December 3, 2010Date of Patent: October 13, 2015Assignee: KOLON INDUSTRIES, INC.Inventors: Kyoung-Ju Kim, Yong-Cheol Shin, Moo-Seok Lee