Patents Assigned to Korea Atomic Energy Research Institute
  • Patent number: 12044643
    Abstract: 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: Grant
    Filed: October 30, 2020
    Date of Patent: July 23, 2024
    Assignee: KOREA ATOMIC ENERGY RESEARCH INSTITUTE
    Inventors: Yeon Sik Kim, Tae Soon Kwon, Dong Jin Euh, Hae Seob Choi, Woo Shik Kim
  • Patent number: 12036504
    Abstract: 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: Grant
    Filed: September 30, 2019
    Date of Patent: July 16, 2024
    Assignee: KOREA ATOMIC ENERGY RESEARCH INSTITUTE
    Inventors: Byung Nam Kim, Myun Joo Lee, Youn Mook Lim, Kyu Ha Jang, Byun Young Chung
  • Patent number: 12013312
    Abstract: 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: Grant
    Filed: October 11, 2019
    Date of Patent: June 18, 2024
    Assignee: KOREA ATOMIC ENERGY RESEARCH INSTITUTE
    Inventors: Yeon Sik Kim, Tae Soon Kwon, Dong Jin Euh, Hae Seob Choi, Woo Shik Kim
  • Patent number: 12013499
    Abstract: 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: Grant
    Filed: October 4, 2022
    Date of Patent: June 18, 2024
    Assignee: Korea Atomic Energy Research Institute
    Inventors: Hong Joo Ahn, Hwan Seo Park, Jong Kwang Lee, Ki Rak Lee, Kwang Jae Son
  • Publication number: 20240158602
    Abstract: 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: Application
    Filed: October 31, 2023
    Publication date: May 16, 2024
    Applicant: KOREA ATOMIC ENERGY RESEARCH INSTITUTE
    Inventors: Ki Rak LEE, Hwan Seo PARK, Geun Il PARK, Ga Yeong KIM, Jung Hoon CHOI, Hyun Woo KANG
  • Publication number: 20240141061
    Abstract: 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: Application
    Filed: January 12, 2022
    Publication date: May 2, 2024
    Applicants: SG MEDICAL INC, KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION, KOREA ATOMIC ENERGY RESEARCH INSTITUTE
    Inventors: 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
  • Publication number: 20240127977
    Abstract: 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: Application
    Filed: May 25, 2023
    Publication date: April 18, 2024
    Applicant: Korea Atomic Energy Research Institute
    Inventors: Kyung Jun KANG, Sang Ji KIM
  • Patent number: 11958062
    Abstract: 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: Grant
    Filed: March 29, 2021
    Date of Patent: April 16, 2024
    Assignee: KOREA ATOMIC ENERGY RESEARCH INSTITUTE
    Inventors: Bongju Kim, Yongkwon Koh, Jangsoon Kwon
  • Patent number: 11940223
    Abstract: 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: Grant
    Filed: April 6, 2021
    Date of Patent: March 26, 2024
    Assignee: KOREA ATOMIC ENERGY RESEARCH INSTITUTE
    Inventors: Chan Soo Kim, Byung Ha Park, Yong Wan Kim, Sung-Deok Hong, Minhwan Kim
  • Patent number: 11942227
    Abstract: 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: Grant
    Filed: September 1, 2020
    Date of Patent: March 26, 2024
    Assignee: KOREA ATOMIC ENERGY RESEARCH INSTITUTE
    Inventors: Sung-jae Yi, Hyun Sik Park
  • Patent number: 11921252
    Abstract: 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: Grant
    Filed: January 28, 2020
    Date of Patent: March 5, 2024
    Assignee: KOREA ATOMIC ENERGY RESEARCH INSTITUTE
    Inventors: Byeongno Lee, Kyungmin Oh, Namho Lee, Moonsik Chae, Jungho Mun, Yeongheum Yeon, Jinsik Ju
  • Patent number: 11915836
    Abstract: 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: Grant
    Filed: November 13, 2020
    Date of Patent: February 27, 2024
    Assignee: KOREA ATOMIC ENERGY RESEARCH INSTITUTE
    Inventors: Kyungjun Kang, Moon Jung, Jihan Chun, Hanok Kang
  • Patent number: 11902492
    Abstract: An image processing method includes: calculating a rotation matrix to eliminate vertical parallax by converting stereo image captured by stereo camera as if it is image captured by camera rotated about an origin of camera coordinate system, wherein the stereo image includes left image obtained by left camera and right image obtained by right camera; calculating a rotation matrix to adjust the horizontal parallax of the left image and a rotation matrix to adjust the horizontal parallax of the right image; calculating a geometric transformation matrix for the stereo image based on each camera characteristic matrix representing lens characteristics, the rotation matrix for eliminating vertical parallax, and the rotation matrices for adjusting horizontal parallax; and generating new stereo image in which vertical parallax is eliminated and horizontal parallax is adjusted by performing image warping for the stereo image captured by the stereo camera based on the calculated geometric transformation matrix.
    Type: Grant
    Filed: August 1, 2019
    Date of Patent: February 13, 2024
    Assignee: KOREA ATOMIC ENERGY RESEARCH INSTITUTE
    Inventors: Seung-Ho Jung, Hocheol Shin, Chang-Hoi Kim, You-Rak Choi, Dongseok Ryu, Jonghui Han
  • Publication number: 20240017208
    Abstract: Air purification apparatuses and methods are provided. An air purification apparatus includes an air purification chamber and a supply chamber coupled to the air purification chamber. The air purification chamber includes a purification reactor, a first electron accelerator that irradiates a first electron beam to the purification reactor, and a second electron accelerator that irradiates a second electron beam to the purification reactor. The supply chamber includes a power supply that supplies power to each of the first electron accelerator and the second electron accelerator. The second electron accelerator is opposite to the first electron accelerator across the purification reactor.
    Type: Application
    Filed: March 21, 2023
    Publication date: January 18, 2024
    Applicants: SAMSUNG ELECTRONICS CO., LTD., KOREA ATOMIC ENERGY RESEARCH INSTITUTE
    Inventors: Byungnam Kim, Youn-Mook Lim, Huisu Kim, Jin Mun Yun, Daeok Kim, Yeongwoo Yim
  • Patent number: 11867179
    Abstract: The fluid transfer apparatus includes a rotor housing for forming a fluid compression space having the shape of an epitrochoid surface; a rotor eccentrically rotates inside the fluid compression space by being eccentrically coupled to a rotation shaft; and a rotor housing cover covering the fluid compression space of the rotor housing and including a rotation shaft penetration hole formed at the center of the cover, and a first cover fluid channel and second cover fluid channel are symmetrically formed on the opposite sides of each other with the rotation shaft penetration hole in the middle, wherein a plurality of rotor housing covers are arranged to be spaced apart from each other, one rotor housing is arranged between every two rotor housing covers, one rotor is arranged in the fluid compression space of each rotor housing, and each rotor is arranged to face a different direction from a neighboring rotor.
    Type: Grant
    Filed: July 3, 2019
    Date of Patent: January 9, 2024
    Assignee: KOREA ATOMIC ENERGY RESEARCH INSTITUTE
    Inventors: Yongkwon Koh, Jangsoon Kwon, Minhoon Baik, Jaekwang Lee
  • Patent number: 11862355
    Abstract: The present disclosure relates to a method of removing a radioactive structure from a nuclear power plant. The method includes flattening at least a portion of an outer surface of a drilling portion of a wall of a nuclear reactor vessel when the portion of the outer surface is uneven, wherein the radioactive structure is buried in the wall and the drilling portion is adjacent to the radioactive structure, installing a drilling device in the flattened drilling portion and performing a drilling operation, extracting the radioactive structure from the wall, and cutting the extracted radioactive structure and storing pieces of the cut radioactive structure in a shielding container.
    Type: Grant
    Filed: May 22, 2019
    Date of Patent: January 2, 2024
    Assignee: KOREA ATOMIC ENERGY RESEARCH INSTITUTE
    Inventors: Kwanseong Jeong, Seung-Kook Park, Inhye Hahm, Jae Hyun Ha, Sang Bum Hong, Bum Kyoung Seo
  • Patent number: 11830631
    Abstract: A nuclear reactor cooling system comprises a containment area, an In-Containment Refueling Water Storage Tank (IRWST), and a discharge pipe. The containment area is formed to enclose a reactor coolant system. The IRWST is disposed outside the containment area. The discharge pipe discharges steam from the containment area to refueling water in the IRWST when an accident occurs. A steam intake pipe has one end in fluid connection with an upper space of the IRWST, and another end in fluid connection with a radioactive substance reduction tank which stores cooling water. The steam intake pipe allows steam to flow from the upper space of the IRWST into the cooling water in the reduction tank.
    Type: Grant
    Filed: August 19, 2019
    Date of Patent: November 28, 2023
    Assignees: KOREA ATOMIC ENERGY RESEARCH INSTITUTE, KING ABDULLAH CITY FOR ATOMIC AND RENEWABLE ENERGY
    Inventors: Kyungjun Kang, Jihan Chun, Hanok Kang
  • Patent number: 11823804
    Abstract: A steam generator accident mitigation system is disclosed. A steam generator accident mitigation system to mitigate an accident if the accident occurs in a steam generator installed inside a containment building of a nuclear power plant according to an exemplary embodiment of the present system, the system including: a pressurizing tank which is installed inside the containment building and includes a first cooling water and a non-condensable gas for pressurizing the first cooling water therein; at least one connecting pipe connecting the steam generator and the pressurizing tank; and at least one connecting pipe valve which is installed in the at least one connecting pipe, respectively, and is able to control the amount of opening of the connecting pipe; wherein opening of the at least one connecting pipe valve permits fluid communication between the steam generator and the pressurizing tank.
    Type: Grant
    Filed: December 15, 2020
    Date of Patent: November 21, 2023
    Assignee: KOREA ATOMIC ENERGY RESEARCH INSTITUTE
    Inventors: Jin-Ho Song, Kwang Soon Ha, Byeonghee Lee, Sung Il Kim, Yong Mann Song
  • Patent number: 11810684
    Abstract: The present invention relates to a method of separating and removing a radioactive nuclide, particularly, C-14 and tritium from a radioactive waste resin, and an equipment therefor. The method of treating a radioactive waste resin of the present invention includes recycling of condensate water from which a C-14 radionuclide in the condensate water is removed, into a treatment part for a radioactive waste resin.
    Type: Grant
    Filed: August 24, 2021
    Date of Patent: November 7, 2023
    Assignee: KOREA ATOMIC ENERGY RESEARCH INSTITUTE
    Inventors: Ki Rak Lee, Hwan Seo Park, Geun Il Park, Hong Joo Ahn, Jung Hoon Choi, Hyun Woo Kang, In Tae Kim
  • Patent number: 11794356
    Abstract: An electric gripping device is provided. The electric gripping device improves a coupling relationship between a two-fingered clamper module using a four-joint link and the actuator module to facilitate assembling and disassembling of the actuator module and the clamper module and minimizes a length of the electric gripper to easily secure a robot's work space or work direction when being connected to the robot.
    Type: Grant
    Filed: July 24, 2019
    Date of Patent: October 24, 2023
    Assignee: KOREA ATOMIC ENERGY RESEARCH INSTITUTE
    Inventors: Hocheol Shin, Seung-Ho Jung, You-Rak Choi, Dongseok Ryu, Jonghui Han