Patents Assigned to Korea Atomic Energy Research Institute
  • Publication number: 20190235124
    Abstract: Disclosed is a nondestructive inspection system includes: a radiation source system generating different types of radiations and irradiating the generated different types of radiations toward an inspection object; a detector system detecting each of the radiations transmitted through the inspection object; a transfer system varying a position of the inspection object such that the radiations generated by the radiation source system are irradiated to the inspection object; and an image system generating an image regarding the inspection object on the basis of a detection result from the detector system, wherein the radiation source system comprises: an electron gun generating an electron beam; an electron accelerator accelerating the electron beam generated by the electron gun; and a target system selectively generating at least one of various types of radiations according to variables when the electron beam accelerated by the electron accelerator is irradiated thereto.
    Type: Application
    Filed: January 24, 2019
    Publication date: August 1, 2019
    Applicant: KOREA ATOMIC ENERGY RESEARCH INSTITUTE
    Inventors: Byeongno LEE, Soomin LEE, Namho LEE, Moonsik CHAE, Jungho MUN, Kyungmin OH, Changgoo KANG, Hansoo KIM
  • Patent number: 10366797
    Abstract: Disclosed are a system and method for preventing and monitoring a leakage of water from a tank liner at a storage tank having: a concrete reservoir; the tank liner made up of a wall liner that is formed by coupling a plurality of first panels and is attached to an inner wall of the concrete reservoir, and a floor liner that is formed by coupling a plurality of second panels, is attached to a floor of the concrete reservoir, and is coupled to the wall liner by welding; a leaking water collecting plate formed by welding a plurality of third panels and inserted between the floor liner and the floor of the concrete reservoir; and an edge leaking water collecting channel buried in an edge of the storage tank and configured to collect leaking water discharged between the floor liner and the leaking water collecting plate.
    Type: Grant
    Filed: November 11, 2016
    Date of Patent: July 30, 2019
    Assignee: Korea Atomic Energy Research Institute
    Inventors: Jong Min Lee, Byung Ho Kwak, Un-Soo Jung, Jeong-Soo Ryu
  • Publication number: 20190224344
    Abstract: The present invention relates to a curcumin derivative, a method for producing same, and a photo-acoustic imaging agent comprising the curcumin derivative for detecting beta-amyloid plaque. The curcumin derivative, expressed by chemical formula 1, according to the present invention exhibits superb selective bonding with beta-amyloid, thereby allowing beta-amyloid to be detected by means of an optical or photo-acoustic imaging methods, and, particularly, the curcumin derivative can highly effectively detect photo-acoustic signals with almost no noise by reacting to irradiation of light having a particular wavelength range, and thus can be useful as a composition for detecting beta-amyloid and for diagnosing diseases caused by excessive production of beta-amyloid.
    Type: Application
    Filed: September 29, 2016
    Publication date: July 25, 2019
    Applicant: Korea Atomic Energy Research Institute
    Inventors: Yong-Dae Park, Jung-Joon Min, Seung-Dae Yang, Min-Goo Hur, Seung-Jin Jung, Yeong-Jin Hong, Seung-Hwan Park
  • Publication number: 20190210004
    Abstract: The present invention relates to a magnetic cesium adsorbent, a preparation method therefor, and a cesium removal method using the same, the preparation method comprising the steps of: (a) preparing a metal hexacyanoferrate; and (b) hydrothermally reacting the metal hexacyanoferrate so as to prepare a metal hexacyanoferrate having a rhombohedral crystal structure.
    Type: Application
    Filed: July 4, 2017
    Publication date: July 11, 2019
    Applicant: KOREA ATOMIC ENERGY RESEARCH INSTITUTE
    Inventors: Tae Hong PARK, Young Jin CHO, Sang Eun BAE, Sang Ho LIM, Jai Il PARK, Young Sang YOUN, Jei Won YEON
  • Publication number: 20190190223
    Abstract: Provided is a linearly polarized ultra-short terahertz wave generating device which has a parabolic barrel mirror installed at one side of a multiple thin film, to generate an ultra-short terahertz wave having single linear-polarized light and uniformly formed output distribution.
    Type: Application
    Filed: August 11, 2016
    Publication date: June 20, 2019
    Applicant: Korea Atomic Energy Research Institute
    Inventors: Young Uk JEONG, Boris GUDKOV, Nikolay VINOKUROV, Ki Tae LEE, Seong Hee PARK, Kyuha JANG, Jeong Sang JO
  • Patent number: 10325688
    Abstract: 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: Grant
    Filed: July 22, 2015
    Date of Patent: June 18, 2019
    Assignee: KOREA ATOMIC ENERGY RESEARCH INSTITUTE
    Inventors: 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
  • Patent number: 10319481
    Abstract: Provided is a passive containment spray system including: a spray coolant storage unit that communicates with a containment accommodating a reactor vessel and maintains equilibrium of pressure between the spray coolant storage unit and the containment; a spray pipe that is installed within the containment in such a manner that when an accident occurs, a coolant supplied from the spray coolant storage unit is sprayed into the containment through the spray pipe due to an increase in pressure within the containment; and a connection pipe one end of which is inserted into the spray coolant storage unit in such a manner as to provide a flow path along which the coolant flows and the other end of which is connected to the spray pipe in such a manner that the coolant is passively supplied to the spray pipe through the connection pipe therein.
    Type: Grant
    Filed: May 7, 2014
    Date of Patent: June 11, 2019
    Assignee: KOREA ATOMIC ENERGY RESEARCH INSTITUTE
    Inventors: Young In Kim, Soo Jai Shin, Han Ok Kang, Keung Koo Kim, Ju Hyeon Yoon, Tae Wan Kim, Jae Joo Ha
  • Patent number: 10303824
    Abstract: The present invention relates to a simulation of a nuclear facility dismantling operation, comprising: a database which includes information on at least one task constituting a nuclear facility dismantling operation and information on a virtual space related to the simulation of the dismantling operation; a plurality of head mounted displays (HMDs) which receives inputs of users related to the simulation; a simulation unit which generates the virtual space, transmits to the plurality of HMDs, the image of the virtual space including operator objects corresponding to each of the users of the plurality of HMDs, and processes the simulation of the dismantling operation according to the inputs received from each HMD user, wherein, when simulations which are different in at least one of the number of the users and the progress order of the tasks are processed, the simulation unit compares the simulations on the basis of at least one of the number of the users or the progress order of the tasks and displays a compa
    Type: Grant
    Filed: October 27, 2015
    Date of Patent: May 28, 2019
    Assignee: KOREA ATOMIC ENERGY RESEARCH INSTITUTE
    Inventors: Kwanseong Jeong, Jeikwon Moon, Byungseon Choi, Dongjun Hyun, Jonghwan Lee, Ikjune Kim, Geunho Kim
  • Patent number: 10287664
    Abstract: The present invention relates to ordered Alloy 690 with improved thermal conductivity. By maintaining Alloy 690 in a temperature range of 350-570° C. for a proper amount of time, the atomic arrangement is controlled to properly form the ordered phases. The ordered phases formed in the ordered Alloy 690 increases its thermal conductivity due to a low thermal scattering effect of the ordered phase as observed in pure metals.
    Type: Grant
    Filed: June 5, 2014
    Date of Patent: May 14, 2019
    Assignee: KOREA ATOMIC ENERGY RESEARCH INSTITUTE
    Inventors: Young-Suk Kim, Sung-Soo Kim, Dae-Whan Kim
  • Patent number: 10276270
    Abstract: The present invention discloses a nuclear reactor coolant pump that does not rely on an electric motor, but is operated by means of driving force generated inside a nuclear power plant, so a to be capable of maintaining the safety of the nuclear reactor when the nuclear reactor is operating normally and also in the event of an accident in the nuclear reactor. The nuclear reactor coolant pump comprises: a pump impeller rotatably installed in a first fluid passage of a nuclear reactor coolant system to circulate a first fluid inside the nuclear reactor coolant system; a drive unit receiving steam from a steam generator to generate driving force to rotate the pump impeller, and rotating about the same rotating shaft as the pump impeller to transfer the generated driving force to the pump impeller; and a steam supplying unit forming a passage between the steam generator and the drive unit to supply at least a portion of the steam released from the steam generator to the drive unit.
    Type: Grant
    Filed: November 25, 2014
    Date of Patent: April 30, 2019
    Assignee: KOREA ATOMIC ENERGY RESEARCH INSTITUTE
    Inventors: Young Soo Kim, Young In Kim, Cheon Tae Park, Ju Hyeon Yoon, Tae Wan Kim, Keung Koo Kim, Jae Joo Ha
  • Publication number: 20190113378
    Abstract: A molten metal level measuring device in a continuous molten metal level measuring device uses temperature compensation. The device includes a cylindrical bobbin, a liquid level measuring unit helically wound around an outer surface of the bobbin, a circular inner cylinder in which the bobbin and the liquid level measuring part are located and which seals the bobbin and the liquid level measuring part from the outside and has the same axial direction as the bobbin, and a cylindrical protective tube in which the inner cylinder is located and which has the same axial direction as the bobbin and has one open end. Thermocouples extend axially in the space between the inner cylinder and the protective tube, and a control unit controls the liquid level measuring part to measure a liquid level of the molten metal based on the temperatures measured by the thermocouples.
    Type: Application
    Filed: October 16, 2018
    Publication date: April 18, 2019
    Applicant: KOREA ATOMIC ENERGY RESEARCH INSTITUTE
    Inventors: Jae Hyuk Eoh, Yong Bum Lee, Byeongyeon Kim, Ji-Young Jeong
  • Publication number: 20190076765
    Abstract: The present invention relates to a pre-filter for removal of cesium and a method of manufacturing the same. The pre-filter for removal of cesium includes ultra-high-molecular-weight polyethylene and a cesium adsorbent, and is manufactured in which the ultra-high-molecular-weight polyethylene and the cesium adsorbent are mixed, heated, and molded or the ultra-high-molecular-weight polyethylene and the cesium adsorbent are mixed, molded, and heated. The pre-filter manufactured thereby removes cesium excellently and has excellent impact resistance, abrasion resistance, slipperiness, and chemical resistance.
    Type: Application
    Filed: September 7, 2018
    Publication date: March 14, 2019
    Applicants: PICOGRAM CO., LTD., KOREA ATOMIC ENERGY RESEARCH INSTITUTE
    Inventors: Sung Taek LIM, Hyun Ki HONG, Mi Lim BYUN, Chang Hyun ROH
  • Publication number: 20190077680
    Abstract: The present invention relates to a carbon block filter for removal of cesium and a method of manufacturing the same. The carbon block includes activated carbon, a binder, and a cesium adsorbent, and is manufactured in which the activated carbon, the binder, and the cesium adsorbent are mixed, heated, and molded or the activated carbon, the binder, and the cesium adsorbent are mixed, molded, and heated. The carbon block filter manufactured thereby removes cesium excellently and maintains water purification performance for long periods of time.
    Type: Application
    Filed: September 7, 2018
    Publication date: March 14, 2019
    Applicants: PICOGRAM CO., LTD., KOREA ATOMIC ENERGY RESEARCH INSTITUTE
    Inventors: Sung Taek LIM, Hyun Ki HONG, Mi Lim BYUN, Chang Hyun ROH
  • Patent number: 10229762
    Abstract: The present disclosure provides a cooling system of an emergency cooling tank, which enables long-term cooling without refilling cooling water, in case of the change in a quantity of heat transferred to the emergency cooling tank according to a lapse of time upon an occurrence of an accident of a nuclear reactor, and a nuclear power plant having the same. The emergency cooling tank cooling system includes an emergency cooling tank, a heat exchanging device installed to be exposed to an outside of the emergency cooling tank to operate in air, and configured to externally emit such that the operation of the emergency cooling tank is continued even without refilling the cooling water, and an opening and closing unit installed at an upper portion of the emergency cooling tank to be located higher than a water level of the cooling water.
    Type: Grant
    Filed: May 6, 2014
    Date of Patent: March 12, 2019
    Assignee: KOREA ATOMIC ENERGY RESEARCH INSTITUTE
    Inventors: Young In Kim, Keung Koo Kim, Young Min Bae, Ju Hyeon Yoon, Jae Joo Ha, Won Jae Lee, Tae Wan Kim
  • Publication number: 20190038690
    Abstract: The present invention relates to a method for preparing an herbal composition with increased fat-soluble polyphenols, an herbal composition prepared by the method, and a use of the composition. The herbal composition with increased fat-soluble polyphenols of the present invention is characterized by the significantly increased content of fat-soluble polyphenols including decursin, compared with the herbal composition of comparative example, and also demonstrates a significant anti-oxidative activity, immune cell activating effect, and cancer cell growth inhibitory effect, significantly reduces renal toxicity and liver toxicity induced by the anticancer agent cisplatin back so as to be almost normal condition, and significantly inhibits the intestinal crypt loss caused by irradiation, compared with the herbal composition of comparative example.
    Type: Application
    Filed: October 10, 2016
    Publication date: February 7, 2019
    Applicant: KOREA ATOMIC ENERGY RESEARCH INSTITUTE
    Inventors: Sung-Kee Jo, Hae Ran Park, Uhee Jung, Ho Yong Lee, Hyang Hee Cho
  • Publication number: 20190019590
    Abstract: The present invention relates to a volume reduction treatment method of a spent uranium catalyst. According to the volume reduction treatment method of a spent uranium catalyst of the present invention, the disposal cost of the spent uranium catalyst can be reduced and the utilization of the repository can be improved since the method can significantly reduce the volume of the final disposal waste of the spent uranium catalyst.
    Type: Application
    Filed: April 23, 2018
    Publication date: January 17, 2019
    Applicant: Korea Atomic Energy Research Institute
    Inventors: Kwang-Wook KIM, Keun-Young LEE, Byung-Gil AHN, Dong Yong CHUNG, Bum Kyoung SEO
  • Patent number: 10157691
    Abstract: [A] method and an apparatus for the treatment of waste ion exchange resins containing radionuclides, and further relating to a method for the treatment of waste ion exchange resins containing radionuclides by the stepwise heat treatment and an apparatus to accomplish the method.
    Type: Grant
    Filed: November 22, 2016
    Date of Patent: December 18, 2018
    Assignee: KOREA ATOMIC ENERGY RESEARCH INSTITUTE
    Inventors: Hee-Chul Yang, Min-Hoon Baik, Hyung-Ju Kim, Dong Yong Chung, Jong-Won Choi
  • Publication number: 20180346918
    Abstract: An AhpF protein has thioredoxin reductase, peroxidase, and chaperone activities and is derived from Pseudomonas aeruginosa, and a use therefor. By using a novel activity of the AhpF of Pseudomonas aeruginosa according to the present invention, it is possible to produce a plant having strong resistance to various environmental stresses such as oxidative stress or heat stress, thereby making it possible to contribute to increasing crop productivity and mass production of useful constituents. In addition, it is possible to prevent desertification and environmental pollution through the development of transformed plants having resistance to high temperatures and drying.
    Type: Application
    Filed: July 16, 2018
    Publication date: December 6, 2018
    Applicant: KOREA ATOMIC ENERGY RESEARCH INSTITUTE
    Inventors: Byung Yeoup Chung, Sudhir Singh, Seung Sik Lee, Hyoung Woo Bai, Sung Beom Lee
  • Patent number: 10130653
    Abstract: An absorbable periodontal tissue and bone regeneration material uses bacterial cellulose that has been exposed to radiation. The bacterial cellulose was confirmed to block the invasion of soft tissue in a calvarial defect in rat and rabbit models and to display excellent absorptiveness enough to contribute bone formation. Therefore, the bacterial cellulose can be developed as an absorbable periodontal tissue and bone regeneration material useful in the field of medical engineering by regulating biodegradability without using chemicals that are toxic to human and environment.
    Type: Grant
    Filed: April 13, 2016
    Date of Patent: November 20, 2018
    Assignee: KOREA ATOMIC ENERGY RESEARCH INSTITUTE
    Inventors: Youn-Mook Lim, Sung In Jeong, Hui-Jeong Gwon, Jong Seok Park, Jung-Bo Huh
  • Patent number: 10134493
    Abstract: Provided are a nuclear reactor and an operating method for the reactor. The reactor includes a driving system and a safety system. The safety system includes isolation vessels, heat exchangers, a coolant pipe, and a communication pipe. Fluid is distributed in the safety system according to thermal, pressure, and leak conditions.
    Type: Grant
    Filed: August 10, 2015
    Date of Patent: November 20, 2018
    Assignee: Korea Atomic Energy Research Institute
    Inventors: Sung-Jae Yi, Chul-Hwa Song, Hyun Sik Park, Sung Won Bae, Rae-Joon Park