Patents Assigned to Korea Atomic Energy Research Institute
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Apparatus for saturating buffer material and method for saturating buffer material by using the same
Patent number: 12293847Abstract: An apparatus for saturating a buffer material includes a jig for fixing and supporting a buffer material to prevent an increase of a volume of the buffer material. The jig is provided to surround at least a portion of the buffer material. The apparatus further includes a case having a space in which the jig supporting the buffer material is accommodated, a supply unit configured to supply water vapor into the case to adjust a saturation level of the buffer material, and a control unit configured to control the supply unit to stop the supply of water vapor when the saturation level of the buffer material reaches a preset critical saturation level.Type: GrantFiled: July 23, 2021Date of Patent: May 6, 2025Assignee: KOREA ATOMIC ENERGY RESEARCH INSTITUTEInventors: Seok Yoon, Seung-Hun Park, Geon Young Kim, Dong Keun Cho -
Publication number: 20250115344Abstract: A magnetohydrodynamic seawater propulsion thruster includes: a first electrode body including a seawater inlet, a seawater flow space, and a seawater outlet; a second electrode body arranged in the seawater flow space to be spaced apart from the first electrode body, and allowing current to flow through the seawater with the first electrode body; a flow guide having a helical shape, arranged between the first electrode body and the second electrode body in the seawater flow space to guide flowing of seawater; a magnetic field formation unit arranged to surround at least a portion of an outer circumference of the first electrode body and generate a magnetic field in an extension direction of the first electrode body; a power supply unit that supplies electricity to the first and second electrode bodies. The power supply unit includes a fuel cell module generating electricity through electrochemical reaction of fuel and oxidizer.Type: ApplicationFiled: December 19, 2024Publication date: April 10, 2025Applicant: KOREA ATOMIC ENERGY RESEARCH INSTITUTEInventors: Doo-Hee CHANG, Jong Pil PARK
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Patent number: 12214363Abstract: A method of separating fine particles (clay, silt, etc.) that have adsorbed contaminants such as heavy metals or radioactive nuclides in soil using cationic magnetic nanoparticles. According to the method, contaminants such as heavy metals or radioactive nuclides selectively or irreversibly adsorbed to fine particles (clay, silt, etc.) in soil may be economically and efficiently separated. Therefore, the method may be effectively used to restore soil in residential areas that are contaminated with radioactive nuclides in serious accidents such as the Fukushima Daiichi nuclear disaster as well as facility sites contaminated with heavy metals or radioactive nuclides.Type: GrantFiled: September 18, 2019Date of Patent: February 4, 2025Assignee: KOREA ATOMIC ENERGY RESEARCH INSTITUTEInventors: Il Gook Kim, Chan Woo Park, Hee Man Yang, Kune Woo Lee, In Ho Yoon, Bum Kyoung Seo
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Patent number: 12181357Abstract: A pressure transmitter is disclosed. A pressure measuring portion pressurized by a target fluid that is a target of a pressure measurement and a reference pressure measuring portion pressurized by an external fluid outside a pipe are provided. In addition, a part of the pressure measuring portion that is pressurized by the target fluid and a part of the reference pressure measuring portion that is pressurized by the external fluid are provided inside one thermally conductive member. Accordingly, at the portion pressurized by the target fluid and at the portion pressurized by the external fluid, a difference in temperature between the pressure measuring portion and the reference pressure measuring portion may be insignificantly small. As a result, an accuracy of an operation of correcting an error that may be generated by thermal expansion of the medium fluid in the pressure measuring portion can be improved.Type: GrantFiled: April 6, 2021Date of Patent: December 31, 2024Assignee: KOREA ATOMIC ENERGY RESEARCH INSTITUTEInventors: Hyungmo Kim, Youngil Cho, Jewhan Lee, Byeongyeon Kim
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Patent number: 12158149Abstract: The present invention provides a fluid transfer apparatus comprising: a rotating shaft comprising a rotation unit extending along an axial direction and a first eccentric unit and a second eccentric unit disposed to be spaced apart from each other along the axial direction; a first rotor housing forming a first fluid compression space in the shape of an epitrochoid curved surface; a second rotor housing forming a second fluid compression space in the shape of an epitrochoid curved surface, and positioned to be spaced apart from the first rotor housing along the axial direction; a first rotor disposed in the first fluid compression space so as to delimit the first fluid compression space into multiple variable-displacement spaces, and coupled to the first eccentric unit while surrounding the first eccentric unit in the radial direction of the first eccentric unit; and a second rotor disposed in the second fluid compression space so as to delimit the second fluid compression space into multiple variable-displacType: GrantFiled: October 4, 2019Date of Patent: December 3, 2024Assignee: KOREA ATOMIC ENERGY RESEARCH INSTITUTEInventors: Yongkwon Koh, Jangsoon Kwon, Kijong Jang
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Publication number: 20240318283Abstract: The present invention relates to a method of producing and refining carrier-free lutetium-177 using chromatography, and more specifically to a method of producing and refining carrier-free lutetium 1-77 using chromatography having excellent resolution of lutetium and ytterbium without a concentration gradient of an eluent.Type: ApplicationFiled: December 21, 2021Publication date: September 26, 2024Applicant: KOREA ATOMIC ENERGY RESEARCH INSTITUTEInventors: Kang Hyuk CHOI, Ul Jae PARK, Jun Sing LEE, A Ran KIM
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Publication number: 20240288436Abstract: The present invention relates to an anti-TM4SF4 (TransMembrane 4 Superfamily Member 4) humanized antibody and use thereof. The anti-TM4SF4 humanized antibody of present invention has high affinity for binding specifically to TM4SF4 while exhibiting low immunogenicity in humans, and thus can be advantageously used to detect TM4SF4 or to target cancer cells and cancer stem cells that overexpress TM4SF4.Type: ApplicationFiled: June 16, 2022Publication date: August 29, 2024Applicants: KOREA ATOMIC ENERGY RESEARCH INSTITUTE, INDUSTRY ACADEMY COOPERATION FOUNDATION OF SEJONG UNIVERSITYInventors: In Gyu KIM, Chun Jeih RYU, Min Kyu KIM, Rae Kwon KIM, Hwangseo PARK, Mun Ju CHOI, Yeon Jee KAHM, Byung Chul SHIN, U Hee JUNG
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Patent number: 12073949Abstract: A heat transferring device including a heater, a cooler, and a recoverer may be provided. The heater may be configured to heat a first liquid working fluid and change the first liquid working fluid to a gaseous working fluid. The cooler may be configured to cool the gaseous working fluid supplied from the heater and change the gaseous working fluid supplied from the heater to a second liquid working fluid. The recoverer may be configured to enable the second liquid working fluid from the cooler to move to the heater. Accordingly, the second liquid working fluid of the cooler may be movable in an upward direction and then recoverable using gravity, without a separate power source.Type: GrantFiled: November 29, 2018Date of Patent: August 27, 2024Assignee: KOREA ATOMIC ENERGY RESEARCH INSTITUTEInventors: Sung-Jae Yi, Sung Uk Ryu, Hyun Sik Park, Ki Yong Choi
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Patent number: 12044643Abstract: A sensor tube according to the present disclosure includes a body including a body extension having opposite ends connected to measurement air connection pipes and an opening, the measurement air connecting pipes being connected to a humidity sensor to deliver moisture to the humidity sensor using measurement air or allow the measurement air released from the humidity sensor to flow therethrough, and the opening being formed in the body extension to cause an interior space of the body extension and the outside to be in communication with each other such that the moisture is introduced into the interior space of the body extension from the outside through the opening, and an opening/closing part that selectively opens or closes the opening by being operated by a difference in pressure between the interior space of the body extension and the outside.Type: GrantFiled: October 30, 2020Date of Patent: July 23, 2024Assignee: KOREA ATOMIC ENERGY RESEARCH INSTITUTEInventors: Yeon Sik Kim, Tae Soon Kwon, Dong Jin Euh, Hae Seob Choi, Woo Shik Kim
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Patent number: 12036504Abstract: An atmosphere purification reactor using an electron beam and an atmosphere purification apparatus including the same are disclosed. The atmosphere purification reactor using an electron beam according to an exemplary embodiment of the present invention includes a housing which has a predetermined length and is formed to have a hollow form such that a fluid introduced from an outside passes through the housing, a guide part which is disposed in the housing in a longitudinal direction and guides a moving path of the fluid such that the fluid moves while rotating, and a transmissive part which is provided at one side of the housing so as to transmit an electron beam into the housing.Type: GrantFiled: September 30, 2019Date of Patent: July 16, 2024Assignee: KOREA ATOMIC ENERGY RESEARCH INSTITUTEInventors: Byung Nam Kim, Myun Joo Lee, Youn Mook Lim, Kyu Ha Jang, Byun Young Chung
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Patent number: 12013312Abstract: A sensor tube according to the present invention comprises: a tubular body for connecting two connection pipes to each other, wherein the two connection pipes are connected to a humidity sensor, so that the connection pipes transfer steam to the humidity sensor by using circulating air or air discharged from the humidity sensor flow in the connection pipes; and a cover surrounding at least a part of the outer surface of the body to prevent foreign substances having a predetermined size or larger from passing, wherein the body is formed as a porous sintered body which allows stream to be introduced from the outside of the body into the body and be transferred by the circulating air.Type: GrantFiled: October 11, 2019Date of Patent: June 18, 2024Assignee: KOREA ATOMIC ENERGY RESEARCH INSTITUTEInventors: Yeon Sik Kim, Tae Soon Kwon, Dong Jin Euh, Hae Seob Choi, Woo Shik Kim
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Patent number: 12013499Abstract: The present invention relates to a method for simultaneous analysis of radiocarbon and tritium, the method including (i) mixing a radioactive waste sample containing a radiocarbon nuclide and tritiated water, and an oxidizing agent; (ii) oxidizing the radiocarbon nuclide in the radioactive waste sample to a gas containing an oxide of the radiocarbon nuclide by the oxidizing agent while suppressing volatilization of compounds containing gamma radionuclides other than the radiocarbon nuclide and tritium; (iii) discharging the gas containing an oxide of the radiocarbon nuclide by injecting an inert gas to the mixture; (iv) vaporizing and discharging the tritiated water in the mixture; and (v) analyzing radioactivity of radiocarbon and tritium from the discharged gas containing an oxide of the radiocarbon nuclide and tritiated water, and an apparatus for analysis of the same.Type: GrantFiled: October 4, 2022Date of Patent: June 18, 2024Assignee: Korea Atomic Energy Research InstituteInventors: Hong Joo Ahn, Hwan Seo Park, Jong Kwang Lee, Ki Rak Lee, Kwang Jae Son
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Publication number: 20240158602Abstract: The present invention relates to a method of recycling C-14 in a spent resin, the method includes: i) heating a spent resin raw material including 14CO2 in the presence of moisture by microwave irradiation; ii) refluxing, by condensation, water vapor in a first processing gas produced by the microwave irradiation and released from the spent resin raw material; and iii) removing water vapor from the first processing gas by the refluxing, and transporting a second processing gas including 14CO2, which is released from the spent resin raw material, to the outside, and to an apparatus for recycling the same.Type: ApplicationFiled: October 31, 2023Publication date: May 16, 2024Applicant: KOREA ATOMIC ENERGY RESEARCH INSTITUTEInventors: Ki Rak LEE, Hwan Seo PARK, Geun Il PARK, Ga Yeong KIM, Jung Hoon CHOI, Hyun Woo KANG
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Publication number: 20240141061Abstract: The present disclosure relates to an antibody binding specifically to CD55 or an antigen-binding fragment thereof; and a composition for preventing, treating and/or diagnosing cancer containing the same. The antibody of the present disclosure may be used as an effective therapeutic composition for various CD55-mediated diseases since it shows high binding ability and inhibitory effect for the CD55 protein which promotes tumor growth by inhibiting the complement immune mechanism. In addition, the antibody of the present disclosure may be usefully used as an effective therapeutic adjuvant that fundamentally removes drug resistance and remarkably improves therapeutic responsiveness in various diseases in which resistance to therapeutic agents with CDC (complement-dependent cytotoxicity) as a mechanism of action has been induced due to overexpression of CD55.Type: ApplicationFiled: January 12, 2022Publication date: May 2, 2024Applicants: SG MEDICAL INC, KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION, KOREA ATOMIC ENERGY RESEARCH INSTITUTEInventors: Ji Chul LEE, Hye In PARK, Sung-Won MIN, Sung-Won MIN, Hyeong Sun KWON, Jae Cheong LIM, So Hee DOH, Eun Ha CHO, So-Young LEE, Sung Hee JUNG
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Publication number: 20240127977Abstract: An apparatus for eliminating residual heat of a nuclear reactor for vehicle mounting include: a reactor vessel in which molten salt flows; and a reactor cooler for cooling the reactor vessel. The reactor cooler includes: a first cooling unit including a heat medium that exchanges heat with the reactor vessel, and one or more heat dissipation pipes providing passages through which water coolant flows; and a second cooling unit configured to receive the water coolant discharged from the first cooling unit and cool the water coolant through an external fluid. The second cooling unit is configured such that the cooled water coolant flows into the first cooling unit in a normal position and in an abnormal position inclined to be perpendicular to the normal position.Type: ApplicationFiled: May 25, 2023Publication date: April 18, 2024Applicant: Korea Atomic Energy Research InstituteInventors: Kyung Jun KANG, Sang Ji KIM
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Patent number: 11958062Abstract: A multi-stage float sorting device includes a first flotator float-sorting ores mixed with water based on a difference in density, and a second flotator provided with a column extending in a top-down direction, one side of which communicates with the first flotator to receive primary concentrates, and float-sorts the primary concentrates based on a difference in density to obtain secondary concentrates. The second flotator includes a washing water jetting section provided at a top of the column to jet washing water, a gas sparger provided at a bottom of the column to jet an inert gas, and an opening and closing section located between the washing water jetting section and the gas sparger to partition an inside of the column into upper and lower regions, and form an opening for rising secondary concentrates in the column according to a pressure state of the lower region.Type: GrantFiled: March 29, 2021Date of Patent: April 16, 2024Assignee: KOREA ATOMIC ENERGY RESEARCH INSTITUTEInventors: Bongju Kim, Yongkwon Koh, Jangsoon Kwon
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Patent number: 11942227Abstract: A passive cooling system for a nuclear reactor includes an energy release space in which a reactor vessel is accommodated, an energy absorbing space separated from the energy release space, and an energy transfer space above the energy absorbing space and configured to absorb and cool heat transferred from the reactor vessel and discharge the absorbed heat to an outside of the system through an outer wall thereof. The passive cooling system further includes a first cooling flow path configured to transfer the heat in the reactor vessel to the energy transfer space, a pressure balance pipe configured to transfer the pressure in the energy release space to the energy absorbing space therethrough, and a coolant spray pipe configured to transfer the cooling water in the energy absorbing space pressurized by the pressure balance pipe to the energy transfer space may be provided.Type: GrantFiled: September 1, 2020Date of Patent: March 26, 2024Assignee: KOREA ATOMIC ENERGY RESEARCH INSTITUTEInventors: Sung-jae Yi, Hyun Sik Park
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Patent number: 11940223Abstract: According to an embodiment, a wick structure of a heat pipe that is capable of bending while increasing a heat transferring operation limit value is provided by improving the wick structure provided inside the heat pipe.Type: GrantFiled: April 6, 2021Date of Patent: March 26, 2024Assignee: KOREA ATOMIC ENERGY RESEARCH INSTITUTEInventors: Chan Soo Kim, Byung Ha Park, Yong Wan Kim, Sung-Deok Hong, Minhwan Kim
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Patent number: 11921252Abstract: The present invention relates a security screening device, comprising: a radiation generator for respectively generating X-rays and neutron beams and irradiating same toward an inspection object; an inspection object transfer unit for changing the position of the inspection object; a radiation detector configured to respectively detect X-rays and neutron beams transmitted through the inspection object; and a gamma ray detector installed adjacent to the inspection object and configured to detect a gamma signal generated from the inspection object, wherein the radiation detector acquires image information of the inspection object by using radiation information detected from the X-rays and neutron beams that have passed through the inspection object, and the gamma ray detector analyzes the detected gamma ray to detect the location of the inspection object from the analysis of the inspection object and the image information.Type: GrantFiled: January 28, 2020Date of Patent: March 5, 2024Assignee: KOREA ATOMIC ENERGY RESEARCH INSTITUTEInventors: Byeongno Lee, Kyungmin Oh, Namho Lee, Moonsik Chae, Jungho Mun, Yeongheum Yeon, Jinsik Ju
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Patent number: 11915836Abstract: A cooling system in a nuclear power plant is disclosed, including a boundary section disposed inside a containment to enclose a reactor coolant system, and configured to restrict steam containing radioactive materials generated in the reactor coolant system from leaking into paths other than a discharge part. An In-Containment Water Storage Tank (IRWST) is disposed outside the boundary section and is configured to store refueling water therein. An emergency cooling tank is disposed outside the containment and is provided with a condensation heat exchanger. A gas-liquid separator is connected to the emergency cooling tank outside the containment. A return line is configured to connect the gas-liquid separator and the boundary section such that condensate generated by condensing the steam within the boundary section, through the emergency cooling tank and the gas-liquid separator, is discharged toward the boundary section upon an occurrence of a nuclear power plant accident.Type: GrantFiled: November 13, 2020Date of Patent: February 27, 2024Assignee: KOREA ATOMIC ENERGY RESEARCH INSTITUTEInventors: Kyungjun Kang, Moon Jung, Jihan Chun, Hanok Kang