Patents by Inventor Joo Hyung MOON
Joo Hyung MOON 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: 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: 20230003464Abstract: A heat exchanger includes a first flow path member including a first plate having a first flow path portion providing a plurality of flow paths through which a first fluid flows, and a first bonding plate diffusion-bonded to the first plate to cover the first flow path portion; and a second flow path member including a second plate having a second flow path portion providing a plurality of flow paths through which a second fluid for exchanging heat with the first fluid flows. The first flow path member and the second flow path member are diffusion-bonded to each other.Type: ApplicationFiled: July 5, 2022Publication date: January 5, 2023Inventors: Hyunjun CHO, June Woo KEE, Seok KIM, Young In KIM, Joo Hyung MOON, Yunbum PARK, Soo Jai SHIN, Seungyeob RYU, Gilho LEE, Minkyu LEE, Cheong Bong CHANG, Hun Sik HAN, Sung Deok HONG
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Publication number: 20220415529Abstract: A heat exchanger includes a body having an inlet header through which a fluid is introduced, and an outlet header through which the fluid is discharged; and one or more plates accommodated in the body and provided with flow path modules providing flow paths for the fluid introduced through the inlet header to flow to the outlet header. The heat exchanger further includes at least one flow path adjuster each having at least a portion thereof accommodated in the body and being movable or rotatable to open or close a part or all of the flow paths or to change directions of the flow paths so that a flow of the fluid is adjusted.Type: ApplicationFiled: June 24, 2022Publication date: December 29, 2022Applicant: KOREA ATOMIC ENERGY RESEARCH INSTITUTEInventors: Hyunjun CHO, June Woo KEE, Seok KIM, Young In KIM, Joo Hyung MOON, Yunbum PARK, Soo Jai SHIN, Seungyeob RYU, Minkyu LEE, Cheongbong CHANG, Hun Sik HAN, Sung Deok HONG
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Patent number: 10706974Abstract: The present invention discloses a passive cooling system of a containment building, to which a plate-type heat exchanger is applied. A passive cooling system of a containment building comprises: a containment building; a plate-type heat exchanger provided to at least one of the inside and the outside of the containment building and comprising channels respectively provided to the both sides of a plate so as to be arranged dividedly from each other such that the plate-type heat exchanger carries out mutual heat exchange between the internal atmosphere of the containment building and a heat exchange fluid while maintaining a pressure boundary; and a pipe connected to the plate-type heat exchanger by penetrating the containment building so as to form the path of the internal atmosphere of the containment building or the heat exchange fluid.Type: GrantFiled: December 2, 2014Date of Patent: July 7, 2020Assignee: KOREA ATOMIC ENERGY RESEARCH INSTITUTEInventors: Young In Kim, Cheon Tae Park, Seung Yeob Ryu, Young Min Bae, Joo Hyung Moon, Soo Jai Shin, Hun Sik Han, Kyung Jun Kang, Young Soo Kim, Tae Wan Kim, Ju Hyeon Yoon, Keung Koo Kim, Jae Joo Ha
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Patent number: 10325688Abstract: The present invention relates to a passive heat removal system which circulates cooling fluid to a steam generator via a main water supply line connected to the lower inlet of the steam generator, and a main steam pipe connected to the top outlet of the steam generator, to remove sensible heat of a nuclear reactor coolant system and residual heat of a core. The heat removal system comprises supplementary equipment for receiving surplus cooling fluid or for supplying supplementary cooling fluid in order to maintain the flow rate of the cooling fluid within a predetermined range. The supplementary equipment comprises: a supplementary tank, installed at a height between the lower inlet and the top outlet of the steam generator; a first connection pipe, connected to the main steam pipe and the supplementary tank; and a second connection pipe, connected to the supplementary tank and the main water supply pipe.Type: GrantFiled: July 22, 2015Date of Patent: June 18, 2019Assignee: KOREA ATOMIC ENERGY RESEARCH INSTITUTEInventors: Young In Kim, Keung Koo Kim, Ju Hyeon Yoon, Jae Joo Ha, Tae Wan Kim, Cheon Tae Park, Seung Yeob Ryu, Han Ok Kang, Young Min Bae, Joo Hyung Moon, Hun Sik Han, Kyung Jun Kang, Soo Jai Shin, Seo Yoon Jung, Young Soo Kim
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Patent number: 10115488Abstract: The present invention provides passive safety equipment, comprising: a cooling part formed to cool a first fluid, which is emitted from a reactor coolant system or a steam generator, and a second fluid in a housing; and a circulation induction sprayer which is formed to spray the first fluid emitted from the reactor coolant system or the steam generator into the cooling part, has at least part thereof open to the inside of the housing such that the second fluid flows thereinto according to a drop in pressure caused by the spraying of the first fluid, and sprays the second fluid with the inflown first fluid.Type: GrantFiled: October 2, 2014Date of Patent: October 30, 2018Assignee: KOREA ATOMIC ENERGY RESEARCH INSTITUTEInventors: Hun Sik Han, Young In Kim, Kyung Jun Kang, Sung Jae Yi, Keung Koo Kim, Ju Hyeon Yoon, Jae Joo Ha, Suhn Choi, Cheon Tae Park, Seung Yeob Ryu, Joo Hyung Moon
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Patent number: 10062462Abstract: The present invention provides a facility for reducing radioactive material comprising: a cooling water storage unit installed inside a containment and formed to store cooling water; a boundary unit forming a boundary of radioactive material inside the containment and surrounding a reactor coolant system installed inside the containment to prevent a radioactive material from releasing from the reactor coolant system or a pipe connected with the reactor coolant system to the containment; a connecting pipe connected with an inner space of the boundary unit and the cooling water storage unit to guide a flow of a fluid caused by a pressure difference between the boundary unit and the cooling water storage unit from the boundary unit to the cooling water storage unit; and a sparging unit disposed to be submerged in the cooling water stored in the cooling water storage unit and connected with the connecting pipe to sparge the fluid that has passed through the connecting pipe and the radioactive material contained iType: GrantFiled: August 26, 2014Date of Patent: August 28, 2018Assignee: KOREA ATOMIC ENERGY RESEARCH INSTITUTEInventors: Young In Kim, Kyung Jun Kang, Keung Koo Kim, Hun Sik Han, Ju Hyeon Yoon, Jae Joo Ha, Dae Hyun Hwang, Suhn Choi, Joo Hyung Moon, Soo Jai Shin
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Patent number: 9859027Abstract: The present disclosure may disclose a multi stage safety injection device, including a safety injection tank formed to contain coolant to be injected into a reactor vessel by a gravitational head of water when an accident occurs in which the pressure or water level of the reactor vessel is decreased, a pressure balance line connected to the reactor vessel and safety injection tank to form a pressure balance between the reactor vessel and the safety injection tank, and a set of safety injection lines connected to the safety injection tank and the reactor vessel to inject coolant to the reactor vessel in a pressure balance state between the reactor vessel and the safety injection tank, and connected to the safety injection tank with different heights to reduce a flow rate of coolant injected into the reactor vessel step by step according to the water level reduction of the safety injection tank in order to inject coolant to the reactor vessel at multi stages.Type: GrantFiled: January 23, 2014Date of Patent: January 2, 2018Assignee: KOREA ATOMIC ENERGY RESEARCH INSTITUTEInventors: Young In Kim, Won Jae Lee, Cheon Tae Park, Keung Koo Kim, Soo Jai Shin, Seung Yeop Yoo, Young Min Bae, Joo Hyung Moon, Ju Hyeon Yoon
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Patent number: 9761334Abstract: The present disclosure may disclose a multi stage safety injection device and a passive safety injection system having the same, including a safety injection tank formed to contain coolant to be injected into a reactor vessel by a gravitational head of water when an accident occurs in which the pressure or water level of the reactor vessel is decreased, a pressure balance line connected to the reactor vessel and safety injection tank to form a pressure balance state between the reactor vessel and the safety injection tank, a safety injection line connected to a lower end portion of the safety injection tank and the reactor vessel to inject coolant to the reactor vessel in a pressure balance state between the reactor vessel and the safety injection tank, and a flow control line extended from the safety injection line to an inner portion of the safety injection tank, and provided with safety injection ports into which coolant is injected at predetermined heights, respectively, to reduce the flow rate of coolantType: GrantFiled: February 4, 2014Date of Patent: September 12, 2017Assignee: KOREA ATOMIC ENERGY RESEARCH INSTITUTEInventors: Young In Kim, Keung Koo Kim, Cheon Tae Park, Seung Yeop Yoo, Young Min Bae, Joo Hyung Moon, Soo Jai Shin, Han Ok Kang, Jun Lee, Won Jae Lee, Tae Wan Kim, Keun Bae Park, Ju Hyeon Yoon
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Publication number: 20170148533Abstract: The present invention relates to a passive heat removal system which circulates cooling fluid via a main water supply line, connected to the lower inlet of a steam generator, and a main steam pipe, connected to the top outlet of the steam generator, to the steam generator, in order to remove sensible heat of a reactor coolant system and residual heat of a core, the passive heat removal system comprising: supplementary equipment for receiving surplus cooling fluid or supplying supplementary cooling fluid in order to maintain the flow rate of the cooling fluid within a predetermined range, wherein the supplementary equipment comprises: a supplementary tank, installed at a predetermined height between the lower inlet and the top outlet of the steam generator, for receiving the surplus cooling fluid or supplying the supplementary cooling fluid, passively, depending on the flow rate of the cooling fluid; a first connection pipe, connected to the main steam pipe and the supplementary tank, for forming a flow path tType: ApplicationFiled: July 22, 2015Publication date: May 25, 2017Applicant: KOREA ATOMIC ENERGY RESEARCH INSTITUTEInventors: Young In KIM, Keung Koo KIM, Ju Hyeon YOON, Jae Joo HA, Tae Wan KIM, Cheon Tae PARK, Seung Yeob RYU, Han Ok KANG, Young Min BAE, Joo Hyung MOON, Hun Sik HAN, Kyung Jun KANG, Soo Jai SHIN, Seo Yoon JUNG, Young Soo KIM
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Patent number: 9583224Abstract: A passive safety system includes a containment, a reactor in the containment, a plurality of safety injection tanks connected with the reactor and having water and nitrogen gas to supply water thereof into the reactor through a safety injection line communicating to the first safety injection line upon a loss of coolant accident, a plurality of core makeup tanks connected with the reactor to supply water thereof into the reactor through a second safety injection line communicating to a safety injection line upon the loss of coolant accident, and a plurality of passive residual heat removal systems to remove residual heat from the reactor upon the loss of coolant accident or a non-loss of coolant accident. The water in each of the safety injection tank is stably supplied to the reactor for many hours by a differential head resulting from gravity or gas pressure.Type: GrantFiled: July 11, 2013Date of Patent: February 28, 2017Assignee: KOREA ATOMIC ENERGY RESEARCH INSTITUTEInventors: Joo Hyung Moon, Won Jae Lee, Keung Koo Kim, Cheon Tae Park, Young In Kim, Sung Kyun Zee, Keun Bae Park
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Publication number: 20170004892Abstract: The present invention discloses a passive cooling system of a containment building, to which a plate-type heat exchanger is applied. A passive cooling system of a containment building comprises: a containment building; a plate-type heat exchanger provided to at least one of the inside and the outside of the containment building and comprising channels respectively provided to the both sides of a plate so as to be arranged dividedly from each other such that the plate-type heat exchanger carries out mutual heat exchange between the internal atmosphere of the containment building and a heat exchange fluid while maintaining a pressure boundary; and a pipe connected to the plate-type heat exchanger by penetrating the containment building so as to form the path of the internal atmosphere of the containment building or the heat exchange fluid.Type: ApplicationFiled: December 2, 2014Publication date: January 5, 2017Applicant: KOREA ATOMIC ENERGY RESEARCH INSTITUTEInventors: Young In KIM, Cheon Tae PARK, Seung Yeob RYU, Young Min BAE, Joo Hyung MOON, Soo Jai SHIN, Hun Sik HAN, Kyung Jun KANG, Young Soo KIM, Tae Wan KIM, Ju Hyeon YOON, Keung Koo KIM, Jae Joo HA
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Publication number: 20160247585Abstract: The present invention provides passive safety equipment, comprising: a cooling part formed to cool a first fluid, which is emitted from a reactor coolant system or a steam generator, and a second fluid in a housing; and a circulation induction sprayer which is formed to spray the first fluid emitted from the reactor coolant system or the steam generator into the cooling part, has at least part thereof open to the inside of the housing such that the second fluid flows thereinto according to a drop in pressure caused by the spraying of the first fluid, and sprays the second fluid with the inflown first fluid.Type: ApplicationFiled: October 2, 2014Publication date: August 25, 2016Applicant: KOREA ATOMIC ENERGY RESEARCH INSTITUTEInventors: Hun Sik HAN, Young In KIM, Kyung Jun KANG, Sung Jae YI, Keung Koo KIM, Ju Hyeon YUN, Jae Joo HA, Suhn CHOI, Cheon Tae PARK, Seung Yeob RYU, Joo Hyung MOON
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Publication number: 20150221403Abstract: The present invention provides a facility for reducing radioactive material comprising: a cooling water storage unit installed inside a containment and formed to store cooling water; a boundary unit forming a boundary of radioactive material inside the containment and surrounding a reactor coolant system installed inside the containment to prevent a radioactive material from releasing from the reactor coolant system or a pipe connected with the reactor coolant system to the containment; a connecting pipe connected with an inner space of the boundary unit and the cooling water storage unit to guide a flow of a fluid caused by a pressure difference between the boundary unit and the cooling water storage unit from the boundary unit to the cooling water storage unit; and a sparging unit disposed to be submerged in the cooling water stored in the cooling water storage unit and connected with the connecting pipe to sparge the fluid that has passed through the connecting pipe and the radioactive material contained iType: ApplicationFiled: August 26, 2014Publication date: August 6, 2015Inventors: Young In KIM, Kyung Jun KANG, Keung Koo KIM, Hun Sik HAN, Ju Hyeon YOON, Jae Joo HA, Dae Hyun HWANG, Suhn CHOI, Joo Hyung MOON, Soo Jai SHIN
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Publication number: 20140226778Abstract: The present disclosure may disclose a multi stage safety injection device and a passive safety injection system having the same, including a safety injection tank formed to contain coolant to be injected into a reactor vessel by a gravitational head of water when an accident occurs in which the pressure or water level of the reactor vessel is decreased, a pressure balance line connected to the reactor vessel and safety injection tank to form a pressure balance state between the reactor vessel and the safety injection tank, a safety injection line connected to a lower end portion of the safety injection tank and the reactor vessel to inject coolant to the reactor vessel in a pressure balance state between the reactor vessel and the safety injection tank, and a flow control line extended from the safety injection line to an inner portion of the safety injection tank, and provided with safety injection ports into which coolant is injected at predetermined heights, respectively, to reduce the flow rate of coolantType: ApplicationFiled: February 4, 2014Publication date: August 14, 2014Applicant: KOREA ATOMIC ENERGY RESEARCH INSTITUTEInventors: Young In KIM, Keung Koo KIM, Cheon Tae PARK, Seung Yeop YOO, Young Min BAE, Joo Hyung MOON, Soo Jai SHIN, Han Ok KANG, Jun LEE, Won Jae LEE, Tae Wan KIM, Keun Bae PARK, Ju Hyeon YOON
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Publication number: 20140219409Abstract: The present disclosure may disclose a multi stage safety injection device, including a safety injection tank formed to contain coolant to be injected into a reactor vessel by a gravitational head of water when an accident occurs in which the pressure or water level of the reactor vessel is decreased, a pressure balance line connected to the reactor vessel and safety injection tank to form a pressure balance between the reactor vessel and the safety injection tank, and a set of safety injection lines connected to the safety injection tank and the reactor vessel to inject coolant to the reactor vessel in a pressure balance state between the reactor vessel and the safety injection tank, and connected to the safety injection tank with different heights to reduce a flow rate of coolant injected into the reactor vessel step by step according to the water level reduction of the safety injection tank in order to inject coolant to the reactor vessel at multi stages.Type: ApplicationFiled: January 23, 2014Publication date: August 7, 2014Applicant: KOREA ATOMIC ENERGY RESEARCH INSTITUTEInventors: Young In KIM, Won Jae LEE, Cheon Tae PARK, Keung Koo KIM, Soo Jai SHIN, Seung Yeop YOO, Young Min BAE, Joo Hyung MOON, Ju Hyeon YOON
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Publication number: 20140016734Abstract: A passive safety system includes a containment, a reactor in the containment, a plurality of safety injection tanks connected with the reactor and having water and nitrogen gas to supply water thereof into the reactor through a safety injection line communicating to the first safety injection line upon a loss of coolant accident, a plurality of core makeup tanks connected with the reactor to supply water thereof into the reactor through a second safety injection line communicating to a safety injection line upon the loss of coolant accident, and a plurality of passive residual heat removal systems to remove residual heat from the reactor upon the loss of coolant accident or a non-loss of coolant accident. The water in each of the safety injection tank is stably supplied to the reactor for many hours by a differential head resulting from gravity or gas pressure.Type: ApplicationFiled: July 11, 2013Publication date: January 16, 2014Inventors: Joo Hyung MOON, Won Jae LEE, Keung Koo KIM, Cheon Tae PARK, Young In KIM, Sung Kyun ZEE, Keun Bae PARK
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Publication number: 20140016733Abstract: A passive safety injection system includes a containment, a reactor installed in the containment, safety injection tanks installed in the containment, a safety injection line between the reactor or a reactor coolant system and each of the safety injection tanks to guide water, which is stored in the safety injection tank, into the reactor when a water level in the reactor is reduced due to a loss of coolant accident, and a pressure balance line between the reactor or the reactor coolant system and the safety injection tank to guide high-temperature steam from the reactor into the safety injection tank upon the loss of coolant accident. The safety injection line has an orifice and a check valve thereon, and the pressure balance line has an orifice and isolation valves thereon. The water in the safety injection tank stably flows into the reactor for many hours.Type: ApplicationFiled: July 10, 2013Publication date: January 16, 2014Inventors: Young In KIM, Joo Hyung MOON, Soo Jai SHIN, Jun LEE, Keung Koo KIM, Won Jae LEE, Suhn CHOI, Tae Wan KIM, Hark Rho KIM, Cheon Tae PARK, Seung Yeob YOO, Young Min BAE