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公开(公告)号：US20230221192A1
公开(公告)日：2023-07-13
申请号：US18093692
申请日：2023-01-05
发明人： Kyeong Mo HWANG , Il Su SO , Gye Chul CHO
IPC分类号： G01K17/20
CPC分类号： G01K17/20
摘要： A system for calculating a temperature of a fluid inside a pipe by using a heat flux, an outer surface temperature of the pipe, and a flow velocity of the fluid includes a flow meter to measure the flow velocity of the fluid flowing inside the pipe, a heat flux meter to measure the heat flux passing through an outer surface of the pipe, a thermometer to measure the outer surface temperature of the pipe, and a calculator configured to calculate an internal fluid temperature, which is the temperature of the fluid flowing inside the pipe, by using the flow velocity of the fluid measured by the flow meter, the heat flux measured by the heat flux meter, and the outer surface temperature of the pipe measured by the thermometer.
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公开(公告)号：US11619698B2
公开(公告)日：2023-04-04
申请号：US16687748
申请日：2019-11-19
发明人： Chang Sun Yoon
摘要： A power plant controlling method includes: receiving a beacon signal from a location beacon or a device information beacon, wherein the location beacon is mounted in a region of a power plant area requiring monitoring and controlling, the region including an employee circulation path, and the device information beacon is mounted at a device requiring identification; tracking a location of the beacon that transmitted the received beacon signal; and receiving information about devices within a radius set by a user based on the tracked location.
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公开(公告)号：US11540409B2
公开(公告)日：2022-12-27
申请号：US17236285
申请日：2021-04-21
发明人： Ji Wung Park
摘要： The triple sealing device for an electronics housing of smart instrumentation includes: an electronic board; a first housing which has the electronic board disposed therein and includes a first inlet port to allow a cable to pass therethrough; a second housing which is provided above the first inlet port of the first housing and coupled to the first housing, and includes a second inlet port to allow a cable to pass therethrough; an elastic block provided on an inner circumferential surface of the second inlet port; and a cable which is connected to the electronic board and extends outward after passing through the first inlet port and the second inlet port.
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公开(公告)号：US11250657B2
公开(公告)日：2022-02-15
申请号：US17094439
申请日：2020-11-10
发明人： Chang Sun Yoon
IPC分类号： G06K5/00 , G07C9/22 , G06K19/077 , G06Q90/00
摘要： Provided is a power plant operation history device. The power plant operation history device includes: a communication unit configured to detect RFID of a wearable device and communicate with a signal conversion device; and a control unit configured to determine a power plant control authority of a user based on user identification information obtained through the communication unit, transmit an operation permission signal allowing operation of an input device of a power plant control facility control device to the signal conversion device when it is determined that the user's power plant control authority exists, and normally process a user input from the input device through the signal conversion device.
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公开(公告)号：US11075017B2
公开(公告)日：2021-07-27
申请号：US15904616
申请日：2018-02-26
发明人： Kwang Jeok Ko , Ho Jung Lee , Min Gyu Kim , Yeon Ho Cho , Hyun Min Kim
摘要： The modular lower moving system for nuclear fuel handling includes: a lower reactor vessel assembly including nuclear fuel loaded therein; a carrier having a space allowing the lower reactor vessel assembly to be accommodated therein; a rail extending from a reactor area to a fuel handling area; a transfer cart horizontally movable along the rail; a lifting device installed at the transfer cart, movable upward or downward with respect to the transfer cart; and a drive device configured to supply power to the transfer cart and the lifting device. The method of refueling nuclear fuel using the modular lower moving system includes a carrier lifting process, a lower reactor vessel assembly detachment process, a process of accommodating the lower reactor vessel assembly in the carrier, a carrier lowering process, a transfer cart movement process, a nuclear fuel offloading process, and a nuclear fuel loading process.
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公开(公告)号：US20190354642A1
公开(公告)日：2019-11-21
申请号：US16414659
申请日：2019-05-16
发明人： Ho Bin YIM , Jae Young HUH , Gyu Cheon LEE
IPC分类号： G06F17/50
摘要： Provided is an integrated drawing producing method for common cause tracing. The integrated drawing producing method includes: distinguishing shapes of entities in at least one design drawing and assigning an attribute to each of distinguished entities; synthesizing the entities assigned the attributes in the at least one design drawing in units of a system where a common cause is to be traced; and generating an integrated drawing with a hierarchical structure by horizontally or vertically interconnecting the entities assigned the same attribute in the at least one design drawing.
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公开(公告)号：US10304571B2
公开(公告)日：2019-05-28
申请号：US14717830
申请日：2015-05-20
发明人： Jin Seok Park , Yong Tae Jang , Myoung Goo Lee , Sang Gyoon Chang , Dae Hee Lee
摘要： A magnetic jack type in-vessel control element drive mechanism includes: an upper coil assembly which includes a first sleeve configured to coaxially wrap a control element drive shaft, a first coil, and a first coil housing which is externally coupled to the first sleeve; a lower coil assembly which includes a second sleeve configured to coaxially wrap the control element drive shaft, a second coil, and a second coil housing which is externally coupled to the second sleeve, wherein the lower coil assembly is located under the upper coil assembly, a connecting member which connects the upper coil assembly and the lower coil assembly; a support tube which extends downward from the lower coil assembly; a motor assembly which is located between the control element drive shaft, and the first and second sleeves; and an anti-separation cap which prevents separation of the motor assembly.
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公开(公告)号：US10240692B2
公开(公告)日：2019-03-26
申请号：US15384557
申请日：2016-12-20
发明人： Youn Ho Won , Joon Ho Lee , Soo Kyum Kim , Hoi Myung Kim
摘要： A fastening-type pipe supporting apparatus capable of supporting a curved pipe against loads acting on a curved portion of the pipe via clamps having curved surfaces and being easily attached to and detached from the curved portion of the pipe. The fastening-type pipe supporting apparatus includes: a first clamp having a semicircular cross-sectional shape and a curved surface with a curvature to surround the curved portion of a pipe; a second clamp having a semicircular cross-sectional shape and a curved surface with a curvature to surround the curved portion of the pipe, the second clamp being coupled to the first clamp; a connection bolt coupling the first clamp with the second clamp; and a washer placed around the connection bolt.
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公开(公告)号：US10062461B2
公开(公告)日：2018-08-28
申请号：US14983114
申请日：2015-12-29
发明人： Kwang Jeok Ko , Ho Jung Lee , Il Seon Hwang , Min Gyu Kim , Sang Gyoon Chang
摘要： Provided is a device for transferring spent fuel between spent fuel storage pools. The device includes a transfer container extending in a direction, disposed in a vertical direction, and containing spent fuel therein; a guide frame configured to guide the transfer container while maintaining a vertical orientation of the transfer container; and a transfer unit configured to transfer the transfer container along the guide frame.
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公开(公告)号：US20180033505A1
公开(公告)日：2018-02-01
申请号：US15445376
申请日：2017-02-28
发明人： Sung Ho PARK , Jong Min KIM , Kyu Wan KIM
CPC分类号： G21D1/006 , F16T1/00 , F22B21/04 , G21C1/322 , G21C15/12 , G21C15/16 , G21Y2004/305 , Y02E30/40
摘要： In an externally integrated steam generator type small modular reactor, a steam generator is arranged along the circumference of a reactor vessel cylindrical shell, and a steam drum is arranged along the circumference of the steam generator. The small modular reactor includes: a nuclear reactor including a hemispherical upper head, the reactor vessel cylindrical shell coupled to the upper head and extending downward from the upper head in a cylindrical shape, and a hemispherical lower head provided on a lower portion of the reactor vessel cylindrical shell, wherein a core is placed in the nuclear reactor; the steam generator surrounding all around the reactor vessel cylindrical shell and including a first penetration hole communicating with an inside of the nuclear reactor; and the steam drum surrounding the circumference of the steam generator and including a second penetration hole communicating with an inside of the steam generator.
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