Patents by Inventor Seong-Kyun Kim
Seong-Kyun Kim 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: 8791397Abstract: The present invention provides an induction heating device for a fuel cell system, which can rapidly heat coolant during cold start-up, control the power consumption depending on the voltage of a fuel cell stack, and ensure the insulation resistance by separating a heating unit, which is in contact with the coolant, from the outside.Type: GrantFiled: June 28, 2011Date of Patent: July 29, 2014Assignee: Hyundai Motor CompanyInventors: Seong Kyun Kim, Haeng Jin Ko, Su Dong Han, Gi Young Nam, Yun Seok Kim
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Publication number: 20140179885Abstract: The present invention relates to a method of preparing an ethylene-?-olefin-diene copolymer and an ethylene-?-olefin-diene copolymer prepared thereby, by using a transition metal compound based on a cyclopenta[b]fluorenyl group as a catalyst.Type: ApplicationFiled: June 8, 2012Publication date: June 26, 2014Applicants: SK GLOBAL CHEMICAL CO., LTD., SK INNOVATION CO., LTD.Inventors: Dong Cheol Shin, Ho Seong Lee, Seong Kyun Kim, Sang Ick Lee, Sun Young Kim, Jong Sok Hahn, Chan Woong Jeon, Jeong Hwan Kim
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Publication number: 20130225834Abstract: The present invention relates to a new transition metal compound based on cyclopenta[b]fluorenyl group, a transition metal catalyst composition containing the same and having high catalytic activity for preparing an ethylene homopolymer or a copolymer of ethylene and one ?-olefin, a method of preparing an ethylene homopolymer or a copolymer of ethylene and ?-olefin using the same, and the prepared ethylene homopolymer or the copolymer of ethylene and ?-olefin.Type: ApplicationFiled: June 8, 2012Publication date: August 29, 2013Applicants: SK GLOBAL CHEMICAL CO., LTD., SK INNOVATION CO., LTD.Inventors: Dong Cheol Shin, Ho Seong Lee, Seong Kyun Kim, Sang Ick Lee, Sun Young Kim, Jong Sok Hahn, Chan Woong Jeon, Jeong Hwan Kim
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Patent number: 8518254Abstract: The present invention provides a coolant demineralizer for a fuel cell vehicle, which removes ions, released from a pipe, from coolant of a fuel cell stack. In preferred embodiments, the present invention provides a coolant demineralizer suitably configured to reduce the occurrence of differential pressure due to an ion resin layer such that coolant can smoothly flow through a filter member, thereby increasing the effect of filtering ions and improving the efficiency of use of ion resin.Type: GrantFiled: May 26, 2010Date of Patent: August 27, 2013Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Sung Wook Na, Seong Kyun Kim, Sung Ho Lee, Hee Seok Jeong
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Publication number: 20120145280Abstract: An apparatus for injecting a coolant for a fuel cell vehicle is provided. More specifically, a coolant tank stores a coolant and a coolant pump, disposed in a coolant supply line connecting the coolant tank and the stack cooling loop is configured to pressure-transfer the coolant to the stack cooling loop, and circulating the coolant, which has passed through the stack cooling loop, to the coolant tank. A bubble elimination unit, disposed at a rear stage of the coolant pump in the coolant supply line, eliminates the bubbles in the fuel cell stack through vibration. This bubble elimination unit may be configured as an ultrasonic wave excitor for exciting the stack cooling loop with ultrasonic waves.Type: ApplicationFiled: July 25, 2011Publication date: June 14, 2012Applicant: HYUNDAI MOTOR COMPANYInventors: Chi Myung Kim, Haengjin Ko, Seong Kyun Kim, Seung Yong Lee, Gi Young Nam, Yun Seok Kim
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Publication number: 20120145550Abstract: Disclosed is an apparatus for efficiently removing ions contained cooling water used in cooling a fuel cell stack. More specifically, the present invention removes ions by trapping ions contained in cooling water using a permeable membranes capable of making ions selectively pass therethrough and electrodes which are configured to attract ions. The present invention can reduce electric power consumption in pump and can modify the overall performance of the system to cope with various environmental conditions.Type: ApplicationFiled: June 27, 2011Publication date: June 14, 2012Applicant: HYUNDAI MOTOR COMPANYInventors: Chi Myung Kim, Gi Young Nam, Seong Kyun Kim
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Publication number: 20120129067Abstract: The present invention relates to a cooling water supply system and a cooling water supply method for a fuel cell system in which a temperature difference in a fuel cell stack is prevented from increasing due to a rapid increase of a power output required in the stack by detecting a requested/demanded output. According to the present invention, a temperature difference in the stack due to a rapid increase in a power output demanded by the fuel cell stack is prevented from being rapidly increased by detecting a requested output (e.g., an amount an accelerator pedal is pushed, etc.) to calculate a power output required by the stack, calculating a predicted amount of generated heat depending on a required power output, and calculating a flux of supplied cooling water corresponding to the predicted amount of generated heat to control a flow rate of a cooling water supplier.Type: ApplicationFiled: July 13, 2011Publication date: May 24, 2012Applicant: HYUNDAI MOTOR COMPANYInventors: Gi Young Nam, Chi Myung Kim, Haeong Jin Ko, Seong Kyun Kim, Seung Yong Lee, Yun Seok Kim
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Publication number: 20120118878Abstract: The present invention provides an induction heating device for a fuel cell system, which can rapidly heat coolant during cold start-up, control the power consumption depending on the voltage of a fuel cell stack, and ensure the insulation resistance by separating a heating unit, which is in contact with the coolant, from the outside.Type: ApplicationFiled: June 28, 2011Publication date: May 17, 2012Applicant: HYUNDAI MOTOR COMPANYInventors: Seong Kyun Kim, Haeng Jin Ko, Su Dong Han, Gi Young Nam, Yun Seok Kim
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Publication number: 20120122003Abstract: The present invention relates to a fuel cell cooling system for a vehicle comprising: a cooling water circulating loop formed to cool a fuel cell stack where a plurality of fuel cells are stacked. The cooling water circulating loop includes: a plurality of cooling water introducing ports through which cooling water passing through the stack is introduced; a plurality of cooling water discharging ports corresponding to the plurality of cooling water introducing ports and through which the cooling water which has passed through the stack is discharged; and a plurality of cooling water channels connecting the plurality of cooling introducing ports and the plurality of cooling water discharging ports. Notably, cooling water flows in different directions in the plurality of cooling water channels.Type: ApplicationFiled: July 1, 2011Publication date: May 17, 2012Applicant: HYUNDAI MOTOR COMPANYInventors: Gi Young Nam, Chi Myung Kim, Haeong Jin Ko, Seong Kyun Kim, Seung Yong Lee, Yun Seok Kim
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Publication number: 20110129753Abstract: The present invention provides a coolant demineralizer for a fuel cell vehicle, which removes ions, released from a pipe, from coolant of a fuel cell stack. In preferred embodiments, the present invention provides a coolant demineralizer suitably configured to reduce the occurrence of differential pressure due to an ion resin layer such that coolant can smoothly flow through a filter member, thereby increasing the effect of filtering ions and improving the efficiency of use of ion resin.Type: ApplicationFiled: May 26, 2010Publication date: June 2, 2011Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Sung Wook Na, Seong Kyun Kim, Sung Ho Lee, Hee Seok Jeong
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Publication number: 20090183936Abstract: A thermal management system module for a fuel cell vehicle includes its component parts mounted on a single mounting frame, thus increasing space usage and layout efficiency, reducing overall weight and manufacturing costs and improving piping and wiring efficiency and assembling efficiency of the thermal management system.Type: ApplicationFiled: October 28, 2008Publication date: July 23, 2009Applicants: Hyundai Motor Company, Kia Motors CorporationInventors: Seong Kyun Kim, Dong Su Yang, Seung Yong Lee, Hwan Ik Kim, Su Dong Han, Seng Jong Lyoo
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Publication number: 20070141419Abstract: The present invention provides a cold start valve structure in a fuel cell vehicle, comprising: (a) an inlet pipe having an elliptical valve seat; (b) an outlet pipe arranged to be parallel to the inlet pipe; and (c) a valve body connecting to the inlet pipe and the outlet pipe such that the inlet pipe is in communication with the outlet pipe, the valve body being inclined with respect to the inlet pipe at a predetermined angle.Type: ApplicationFiled: November 17, 2006Publication date: June 21, 2007Applicant: Hyundai Motor CompanyInventors: Seung-Yong Lee, Seong-Kyun Kim
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Patent number: 7125618Abstract: A hydrogen supply system is provided for a fuel cell that can increase the cooling water temperature without hydrogen consumption at ignition by increasing the temperature of the cooling water by using heat from a reaction between a hydride and water.Type: GrantFiled: June 26, 2003Date of Patent: October 24, 2006Assignee: Hyundai Motor CompanyInventor: Seong Kyun Kim
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Patent number: 6943225Abstract: The present invention relates to a multinuclear metallocene catalyst for olefin polymerization and a process for olefin polymerization using the same, in which the multinuclear metallocene catalyst for olefin polymerization comprises, as a main catalyst, a transition metal compound that contains at least two metal atoms in the groups III to X of the periodic table as central metals and a ligand having a cyclopentadienyl structure bridging between the two metal atoms, and, as a cocatalyst, an aluminoxane compound, an organoaluminum compound or a bulky compound reactive to the transition metal compound to impart a catalytic activity to the transition metal compound.Type: GrantFiled: January 28, 2002Date of Patent: September 13, 2005Assignee: Honam Petrochemical CorporationInventors: Min-Hyung Lee, Sung-Jin Park, Seong-Kyun Kim, Young-Jo Kim, Yong-Gyu Han, Young-Kyu Do, Ki-Ho Choi, Seung-Woong Yoon, Bo-Geun Song, Han-Seock Cho
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Publication number: 20040115493Abstract: A hydrogen supply system is provided for a fuel cell that can increase the cooling water temperature without hydrogen consumption at ignition by increasing the temperature of the cooling water by using heat from a reaction between a hydride and water.Type: ApplicationFiled: June 26, 2003Publication date: June 17, 2004Inventor: Seong Kyun Kim
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Publication number: 20040072677Abstract: The present invention relates to a multinuclear metallocene catalyst for olefin polymerization and a process for olefin polymerization using the same, in which the multinuclear metallocene catalyst for olefin polymerization comprises, as a main catalyst, a transition metal compound that contains at least two metal atoms in the groups III to X of the periodic table as central metals and a ligand having a cyclopentadienyl structure bridging between the two metal atoms, and, as a cocatalyst, an aluminoxane compound, an organoaluminum compound or a bulky compound reactive to the transition metal compound to impart a catalytic activity to the transition metal compound.Type: ApplicationFiled: July 29, 2003Publication date: April 15, 2004Inventors: Min-Hyung Lee, Sung-Jin Park, Seong-Kyun Kim, Young-Jo Kim, Yong-Gyu Han, Young-Kyu Do, Ki-Ho Choi, Seung-Woong Yoon, Bo-Geun Song, Han-Seock Cho
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Publication number: 20020028547Abstract: A method of programming a flash memory module, wherein a plurality of flash memory cells are arrayed in a substrate; each memory cell having a source, a drain, a floating gate, and a control gate, which are separated from one another on the substrate, an insulating layer formed on the substrate between the source and drain, and also separating the source/drain and control gate, and a floating gate wherein a detrapping process with appropriate bias conditions is applied either after an erase step for erasing data written to the flash memory cell or after a write step for writing predetermined data, in order to remove electrons trapped in the insulating layer excluding the floating gate. During the detrapping process, electrons trapped in a region excluding a floating gate are removed, thereby suppressing degradation caused by repeated write/erase operations.Type: ApplicationFiled: May 30, 2001Publication date: March 7, 2002Applicant: Samsung Electronics Co., LtdInventors: Won-il Ryu, Byung-ki Kim, Ji-ho Kim, Seong-kyun Kim