Patents by Inventor Yeon-Ho Cho
Yeon-Ho Cho 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: 20240151361Abstract: A hydrogen supply method includes a two-side heat exchange mode in which both introducing a second fluid into a hydrogen storage part after the second fluid exchanges heat with a first fluid in a second heat exchanger in a state in which a compressor is driven to compress the first fluid and introducing the second fluid into the hydrogen storage part after the second fluid is heated or cooled in a thermal device are performed. The method also includes a one-side heat exchange mode in which one of introducing the second fluid into the hydrogen storage part after the second fluid exchanges heat with the first fluid in the second heat exchanger in a state in which the compressor is driven to compress the first fluid and introducing the second fluid into the hydrogen storage part after the second fluid is heated or cooled in the thermal device is performed.Type: ApplicationFiled: August 30, 2023Publication date: May 9, 2024Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATIONInventors: Yeon Ho Kim, Hoon Mo Park, Kyung Moon Lee, Dong Hoon Nam, Ji Hye Park, Young Jin Cho, Jea Wan Kim, Byeong Soo Shin, Ji Hoon Lee, Ho Young Jeong, Suk Hoon Hong, Man Hee Park, Yeong Jun Kim, Jae Yeon Kim, Ho Chan An
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Publication number: 20240142541Abstract: A battery management system includes a battery state manager that senses and manages state information of a battery, and a controller that identifies a battery voltage reduction time from the state information of the battery when a voltage of the battery decreases by a predetermined value, and predicts a usable time of the battery based on a change in the battery voltage reduction time.Type: ApplicationFiled: October 31, 2023Publication date: May 2, 2024Applicant: HYUNDAI MOBIS CO., LTD.Inventors: Yeon Ho CHO, Si Il KIM
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Publication number: 20240128915Abstract: Disclosed is a motor driving apparatus including: a motor; an inverter including a switching element for driving the motor; a controller for controlling the switching element; a resolver including an excitation winding and a detection winding; and a resolver chip applying an excitation signal to the excitation winding by inputting a periodic signal from the controller, and receiving a feedback signal from the detection winding, wherein the resolver chip determines the number of rotations of the motor based on a change in a pulse width of a detection signal resulting from a comparison between a voltage of the feedback signal and a preset voltage, and output a signal to the inverter for setting an inertial driving control mode according to the number of rotations of the motor in a failure state of the controller.Type: ApplicationFiled: October 17, 2023Publication date: April 18, 2024Applicant: HYUNDAI MOBIS CO., LTD.Inventors: Tae Hwan KANG, Hyung Min PARK, Joo Won PARK, Beom Cheol CHO, Yun Ho CHOI, Yeon Ho KIM, Won Hee JO
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Publication number: 20240069524Abstract: Disclosed is an apparatus for excitation signal generation for a resolver. The apparatus includes a sine wave generator that generates a sine wave based on a square wave, an amplifier that amplifies the sine wave, a differential signal generator that converts, into a differential signal, the amplified sine wave, a driver that inputs the differential signal to a coil, and a processor that generates an excitation signal by increasing a voltage of the sine wave from a start voltage to a target voltage through at least one of the sine wave generator and the amplifier based on a transient current that flows into the coil in a transient response interval.Type: ApplicationFiled: December 27, 2022Publication date: February 29, 2024Applicant: HYUNDAI MOBIS CO., LTD.Inventors: Yun Ho CHOI, Hyung Min PARK, Joo Won PARK, Yeon Ho KIM, Won Hee JO, Tae Hwan KANG, Beom Cheol CHO
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Patent number: 11569002Abstract: The present disclosure relates to a transfer cask for transferring spent nuclear fuel. The transfer cask transfers a canister storing the spent nuclear fuel and includes a transfer container having a space for accommodating the canister; a neutron shielding body arranged on an outer periphery of the transfer container to shield neutrons; and an opening/closing portion that is coupled to a lower portion of the transfer container and opens and closes the lower portion of the transfer container, wherein the opening and closing portion, a support portion supporting the transfer container and having a first through hole in communication with the transfer container; a lid assembly having a first lid portion and a second lid portion that open and close the first through hole; and a base plate on which the support portion is seated and a second through hole through which the canister is drawn out is formed.Type: GrantFiled: August 19, 2020Date of Patent: January 31, 2023Assignee: KEPCO ENGINEERING & CONSTRUCTION COMPANY, INC.Inventors: Jin Seok Park, Soung Kyu Lee, Sung Hwan Kim, Kwang Jeok Ko, Min Gyu Kim, Yeon Ho Cho
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Patent number: 11488732Abstract: Provided is a secondary shutdown structure of a nuclear reactor, which uses sliding doors, and more particularly, to a secondary shutdown structure of a nuclear reactor, which uses sliding doors and is capable of shutting down a nuclear reactor reliably with a simple structure without using a boric acid solution.Type: GrantFiled: March 23, 2018Date of Patent: November 1, 2022Assignee: KEPCO ENGINEERING & CONSTRUCTION COMPANY, INC.Inventors: Jin Seok Park, Myoung Goo Lee, Yeon Ho Cho, Hyunmin Kim, Cheol Soo Maeng, Hyeong Heon Kim, Byung Jin Lee, Chang Kyu Chung
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Patent number: 11407718Abstract: The present disclosure relates to a cyclic compound represented by Chemical Formula 1 and an organic light emitting device including the same. The cyclic compound used as a material of an organic material layer of the organic light emitting device, provides improved efficiency, low driving voltage, and improved lifetime characteristics.Type: GrantFiled: April 26, 2018Date of Patent: August 9, 2022Assignee: LG Chem, Ltd.Inventors: Yong Bum Cha, Yeon Ho Cho, Yeon Hwan Kim, Sang Young Jeon, Sung Jae Lee
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Spent nuclear fuel transfer cask having motor-driven lids that slide toward and away from each other
Patent number: 11398319Abstract: The present disclosure relates to a sliding type transfer cask for transferring spent nuclear fuel. The sliding type transfer cask includes a transfer container having a space for accommodating a canister; a neutron shielding body disposed around an outer circumference; and an opening/closing portion coupled to a lower portion of the transfer container. The opening/closing portion includes a support portion that has a first through-hole communicating with the transfer container and supports the transfer container; a base plate that is arranged below the support portion; and a lid assembly that includes a first lid portion and a second lid portion. The first lid portion includes a first lid and a first motor for sliding the first lid. The second lid portion includes a second lid and a second motor for sliding the second lid.Type: GrantFiled: September 29, 2020Date of Patent: July 26, 2022Assignee: KEPCO ENGINEERING & CONSTRUCTION COMPANY, INC.Inventors: Jin Seok Park, Soung Kyu Lee, Sung Hwan Kim, Kwang Jeok Ko, Min Gyu Kim, Yeon Ho Cho -
Patent number: 11362283Abstract: The present specification provides an organoluminescent device including a capping layer on one surface of an electrode, wherein the capping layer includes a compound represented by Chemical Formula 1: X, and R1 to R5 are defined therein.Type: GrantFiled: September 8, 2016Date of Patent: June 14, 2022Inventors: Dae Woong Lee, Yeon-Ho Cho, Sang Young Jeon, Hyoung Seok Kim, Sang Duk Suh
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Patent number: 11261176Abstract: The present invention relates to a novel amine-based compound represented by Chemical Formula 1 and an organic light emitting device including the same. The compound provides improved efficiency, low driving voltage, and improved lifetime characteristic of the organic light emitting device.Type: GrantFiled: December 21, 2017Date of Patent: March 1, 2022Assignee: LG CHEM, LTD.Inventors: Yong Bum Cha, Sang Young Jeon, Yeon Ho Cho, Yeon Hwan Kim
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Patent number: 11075017Abstract: 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.Type: GrantFiled: February 26, 2018Date of Patent: July 27, 2021Assignee: KEPCO ENGINEERING & CONSTRUCTION COMPANY, INC.Inventors: Kwang Jeok Ko, Ho Jung Lee, Min Gyu Kim, Yeon Ho Cho, Hyun Min Kim
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Publication number: 20210098145Abstract: The present disclosure relates to a sliding type transfer cask for transferring spent nuclear fuel, the sliding type transfer cask being easy to install and move. The sliding type transfer cask includes a transfer container having a space for accommodating the canister; a neutron shielding body disposed around an outer circumference; an opening/closing portion coupled to a lower portion of the transfer container, wherein the opening/closing portion includes a support portion that has a first through-hole communicating with the transfer container and supports the transfer container; a base plate that is arranged below the support portion; and a lid assembly that includes a first lid portion and a second lid portion, wherein the first lid portion includes a first lid and a first motor for sliding the first lid, and the second lid portion includes a second lid and a second motor for sliding the second lid.Type: ApplicationFiled: September 29, 2020Publication date: April 1, 2021Inventors: Jin Seok PARK, Soung Kyu LEE, Sung Hwan KIM, Kwang Jeok KO, Min Gyu KIM, Yeon Ho CHO
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Publication number: 20210057119Abstract: The present disclosure relates to a transfer cask for transferring spent nuclear fuel. The transfer cask transfers a canister storing the spent nuclear fuel and includes a transfer container having a space for accommodating the canister; a neutron shielding body arranged on an outer periphery of the transfer container to shield neutrons; and an opening/closing portion that is coupled to a lower portion of the transfer container and opens and closes the lower portion of the transfer container, wherein the opening and closing portion, a support portion supporting the transfer container and having a first through hole in communication with the transfer container; a lid assembly having a first lid portion and a second lid portion that open and close the first through hole; and a base plate on which the support portion is seated and a second through hole through which the canister is drawn out is formed.Type: ApplicationFiled: August 19, 2020Publication date: February 25, 2021Inventors: Jin Seok PARK, Soung Kyu LEE, Sung Hwan KIM, Kwang Jeok KO, Min Gyu KIM, Yeon Ho CHO
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Patent number: 10636531Abstract: Provided is an installation structure for installing control rod drive mechanisms and cable sealing units in a nuclear reactor pressure vessel. The installation structure includes: a sealing flange having a ring shape and being hermetically coupled to an upper pressure vessel and a lower pressure vessel of the nuclear reactor pressure vessel; a cylindrical tube extending downward vertically from an internal edge of the sealing flange; and a support plate provided horizontally to block a lower end portion of the cylindrical tube. A plurality of mounting holes that penetrate through the sealing flange horizontally are arranged in the sealing flange with a predetermined interval therebetween along a circumferential direction, the cable sealing units are inserted and mounted in the plurality of mounting holes, and the control rod drive mechanisms are installed on the support plate to be supported.Type: GrantFiled: October 11, 2017Date of Patent: April 28, 2020Assignee: KEPCO ENGINEERING & CONSTRUCTION COMPANY, INC.Inventors: Won Ho Lee, Jin Seok Park, Yong Tae Jang, Myoung Goo Lee, Yeon Ho Cho
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Publication number: 20190389810Abstract: The present disclosure relates to a cyclic compound represented by Chemical Formula 1 and an organic light emitting device including the same. The cyclic compound used as a material of an organic material layer of the organic light emitting device, provides improved efficiency, low driving voltage, and improved lifetime characteristics.Type: ApplicationFiled: April 26, 2018Publication date: December 26, 2019Inventors: Yong Bum CHA, Yeon Ho CHO, Yeon Hwan KIM, Sang Young JEON, Sung Jae LEE
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Publication number: 20190169176Abstract: The present invention relates to a novel amine-based compound represented by Chemical Formula 1 and an organic light emitting device including the same. The compound provides improved efficiency, low driving voltage, and improved lifetime characteristic of the organic light emitting device.Type: ApplicationFiled: December 21, 2017Publication date: June 6, 2019Inventors: Yong Bum CHA, Sang Young JEON, Yeon Ho CHO, Yeon Hwan KIM
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Publication number: 20190043626Abstract: 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.Type: ApplicationFiled: February 26, 2018Publication date: February 7, 2019Inventors: Kwang Jeok KO, Ho Jung LEE, Min Gyu KIM, Yeon Ho CHO, Hyun Min KIM
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Publication number: 20180277262Abstract: Provided is a secondary shutdown structure of a nuclear reactor, which uses sliding doors, and more particularly, to a secondary shutdown structure of a nuclear reactor, which uses sliding doors and is capable of shutting down a nuclear reactor reliably with a simple structure without using a boric acid solution.Type: ApplicationFiled: March 23, 2018Publication date: September 27, 2018Inventors: Jin Seok PARK, Myoung Goo LEE, Yeon Ho CHO, Hyunmin KIM, Cheol Soo MAENG, Hyeong Heon KIM, Byung Jin LEE, Chang Kyu CHUNG
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Publication number: 20180102193Abstract: Provided is an installation structure for installing control rod drive mechanisms and cable sealing units in a nuclear reactor pressure vessel. The installation structure includes: a sealing flange having a ring shape and being hermetically coupled to an upper pressure vessel and a lower pressure vessel of the nuclear reactor pressure vessel; a cylindrical tube extending downward vertically from an internal edge of the sealing flange; and a support plate provided horizontally to block a lower end portion of the cylindrical tube. A plurality of mounting holes that penetrate through the sealing flange horizontally are arranged in the sealing flange with a predetermined interval therebetween along a circumferential direction, the cable sealing units are inserted and mounted in the plurality of mounting holes, and the control rod drive mechanisms are installed on the support plate to be supported.Type: ApplicationFiled: October 11, 2017Publication date: April 12, 2018Applicant: KEPCO ENGINEERING & CONSTRUCTION COMPANY, INC.Inventors: Won Ho LEE, Jin Seok PARK, Yong Tae JANG, Myoung Goo LEE, Yeon Ho CHO
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Publication number: 20180040829Abstract: The present specification provides an organoluminescent device including a capping layer on one surface of an electrode.Type: ApplicationFiled: September 8, 2016Publication date: February 8, 2018Applicant: LG Chem, Ltd.Inventors: Dae Woong Lee, Yeon-Ho Cho, Sang Young Jeon, Hyoung Seok Kim, Sang Duk Suh