Patents by Inventor Hae-chul HAN

Hae-chul HAN 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).

  • Patent number: 12270512
    Abstract: Disclosed is a corner structure (100) of a liquefied gas storage tank, wherein the corner structure is installed at a corner of a storage tank for loading liquefied gas and supports sealing walls (51, 52) that prevent leakage of the liquefied gas. The corner structure (100) may include: two insulation members (110) arranged on the inner surface of a hull structure so as to be oriented in different directions; and mobile members (130) which are installed on the respective insulation members (110) and to which the sealing walls (51, 52) are joined. The mobile members (130) may be slidably coupled to the insulation members 110, and a plurality of the mobile members (130) may be arranged spaced apart from each other in a straight line on one of the insulation members.
    Type: Grant
    Filed: July 22, 2021
    Date of Patent: April 8, 2025
    Assignee: KOREA GAS CORPORATION
    Inventors: Ki Ho Yim, Hae Chul Han, Young Chul Yang, Heung Seok Seo, Youngkyun Kim, Kyo Kook Jin, Youngkeun Yoon
  • Publication number: 20250092998
    Abstract: A system for supplying liquefied hydrogen includes: liquefied hydrogen storage tanks each comprising a temperature control unit controlling an internal temperature of the liquefied hydrogen storage tank to maintain an inside of the liquefied hydrogen storage tank at a low pressure; pressure tanks receiving and storing liquefied hydrogen to be supplied to a liquefied hydrogen demand site from the liquefied hydrogen storage tanks, the pressure tanks having a smaller capacity than the liquefied hydrogen storage tanks and maintained at a higher pressure than the liquefied hydrogen storage tanks; a liquefied hydrogen supply line through which liquefied hydrogen is transferred from the pressure tanks to the liquefied hydrogen demand site; and a compressor compressing boil-off hydrogen gas generated in the liquefied hydrogen storage tanks and supplying the compressed boil-off hydrogen gas to the pressure tanks to generate a pressure required for delivery.
    Type: Application
    Filed: August 11, 2022
    Publication date: March 20, 2025
    Inventors: Jong Yeol Yi, Yong Seong Jeon, Jae Hyun Ma, Ji Hoon Joung, Hae Chul Han, Eun Young Yun, Jin Yeong PARK
  • Patent number: 12111016
    Abstract: A corner structure of a liquefied gas storage tank is provided, wherein the corner structure is installed at a corner of the storage tank for storing liquefied gas to support sealing walls. The corner structure includes: a stationary member secured to an inner surface of a hull structure wall; a movable member disposed on the stationary member such that the sealing walls are joined thereto; and an insulating member interposed between the sealing walls and the hull structure wall. The stationary member includes a stationary member body bent at a curved portion thereof in an opposite direction to the movable member, and the movable member includes a movable member body bent at a bent portion thereof in an opposite direction to the stationary member. The stationary member and the movable member are coupled to each other by a fastening member that penetrates the curved portion and the bent portion.
    Type: Grant
    Filed: September 2, 2020
    Date of Patent: October 8, 2024
    Assignee: KOREA GAS CORPORATION
    Inventors: Ihn Soo Yoon, Eun Young Yun, Young Kyun Kim, Byung Taek Oh, Yeong Beom Lee, Hae Chul Han, Ki Ho Yim, Yong Keun Yoon
  • Publication number: 20240247759
    Abstract: Disclosed herein are a system and method which can control the generation rate of boil-off gas from liquefied hydrogen and can maintain the liquefied hydrogen storage tank at a low pressure. The method for controlling boil-off gas from liquefied hydrogen according to the present invention includes: at least two storage tanks storing liquefied hydrogen and each operated in a high-temperature mode or in a low-temperature mode, wherein the low-temperature mode includes: maintaining at least a portion of liquefied hydrogen stored in the storage tank at a first temperature being a densification temperature, and the high-temperature mode includes: maintaining at least a portion of liquefied hydrogen stored in the storage tank at a second temperature being a temperature exceeding a triple point of liquefied hydrogen through recovery of cold heat from liquefied hydrogen stored in the storage tank.
    Type: Application
    Filed: July 7, 2022
    Publication date: July 25, 2024
    Inventors: Jong Yeol Yi, Yong Seong Jeon, Jae Hyun Ma, Ji Hoon Joung, Hae Chul Han, Eun Young Yun, Jin Yeong PARK
  • Publication number: 20240240754
    Abstract: Disclosed are a liquefied hydrogen storage tank which is applicable to a storage facility storing a large amount of hydrogen in a liquefied state or a vehicle transporting liquefied hydrogen and a liquefied hydrogen storage tank, and a method for controlling the temperature of the liquefied hydrogen storage tank which can control the generation rate of boil-off gas from liquefied hydrogen and can maintain the liquefied hydrogen storage tank at a low pressure. The liquefied hydrogen storage tank is a storage container storing liquefied hydrogen, has an inner space including a lower space in which liquefied hydrogen is stored and an upper space in which a gas is stored, and includes a heat inflow prevention unit disposed in the upper space or at an interface between the upper space and the lower space and preventing inflow of thermal energy into the lower space through the upper space.
    Type: Application
    Filed: August 11, 2022
    Publication date: July 18, 2024
    Inventors: Jong Yeol Yi, Yong Seong Jeon, Jae Hyun Ma, Ji Hoon Joung, Hae Chul Han, Eun Young Yun, Jin Yeong PARK
  • Publication number: 20240019081
    Abstract: Disclosed is a corner structure (100) of a liquefied gas storage tank, wherein the corner structure is installed at a corner of a storage tank for loading liquefied gas and supports sealing walls (51, 52) that prevent leakage of the liquefied gas. The corner structure (100) may include: two insulation members (110) arranged on the inner surface of a hull structure so as to be oriented in different directions; and mobile members (130) which are installed on the respective insulation members (110) and to which the sealing walls (51, 52) are joined. The mobile members (130) may be slidably coupled to the insulation members 110, and a plurality of the mobile members (130) may be arranged spaced apart from each other in a straight line on one of the insulation members.
    Type: Application
    Filed: July 22, 2021
    Publication date: January 18, 2024
    Applicant: KOREA GAS CORPORATION
    Inventors: Ki Ho YIM, Hae Chul HAN, Young Chul YANG, Heung Seok SEO, Youngkyun KIM, Kyo Kook JIN, Youngkeun YOON
  • Publication number: 20230415856
    Abstract: Disclosed is a corner structure (100) of a liquefied gas storage tank, the corner structure (100) being installed on a corner of a liquefied gas-carrying storage tank to support sealing walls (51, 52) that prevent the liquefied gas from leaking. The corner structure (100) comprises: two insulation members (110) arranged, oriented in different directions, on the inner surface of structural walls of a ship; and operational members (130) which are disposed on respective insulation members (110), and to which the support sealing walls (51, 52) adhere. The operational members (130) may be attached to the insulation members (110) so as to allow sliding against same.
    Type: Application
    Filed: January 6, 2021
    Publication date: December 28, 2023
    Applicant: KOREA GAS CORPORATION
    Inventors: Ki Ho YIM, Yong Bum CHO, Young Chul YANG, Heung Seok SEO, Yeongbeom LEE, Youngkeun YOON, Hae Chul HAN, Byungteak OH, Eunyoung YUN
  • Publication number: 20220390069
    Abstract: Disclosed is a corner structure of a liquefied gas storage tank, wherein the corner structure is installed at a corner of the storage tank for storing liquefied gas to support sealing walls. The corner structure includes: a stationary member secured to an inner surface of a hull structure wall; a movable member disposed on the stationary member such that the sealing walls are joined thereto; and an insulating member interposed between the sealing walls and the hull structure wall. The stationary member includes a stationary member body bent at a curved portion thereof in an opposite direction to the movable member, and the movable member includes a movable member body bent at a bent portion thereof in an opposite direction to the stationary member. The stationary member and the movable member are coupled to each other by a fastening member that penetrates the curved portion and the bent portion.
    Type: Application
    Filed: September 2, 2020
    Publication date: December 8, 2022
    Applicant: KOREA GAS CORPORATION
    Inventors: Ihn Soo YOON, Eun Young YUN, Young Kyun KIM, Byung Taek OH, Yeong Beom LEE, Hae Chul HAN, Ki Ho YIM, Yong Keun YOON
  • Patent number: 10557592
    Abstract: A corner structure comprises: a fixed member fixed to a corner of a storage tank; a movable member supported on the fixed member so as to be linearly movable; a stop member attached to the fixed member to prevent the movable member from being detached from the fixed member; and a heat insulating member disposed between a sealing wall and a hull. The fixed member comprises a guide portion provided with a guide recessed portion, the movable member comprises a guide protruding portion inserted into the guide recessed portion, and the width and the length of the guide protruding portion are smaller than the width and the length of the guide recessed portion, so that the movable member can be supported on the fixed member to be movable in the longitudinal direction and in the direction perpendicular to the longitudinal direction.
    Type: Grant
    Filed: August 6, 2015
    Date of Patent: February 11, 2020
    Assignee: KC LNG TECH CO., LTD.
    Inventors: Hae Chul Han, Ihn Soo Yoon, Heung Seok Seo, Yong Bum Cho, Young Kyun Kim, Kyo Kook Jin, Yeong Beom Lee, Kun Hyung Choe
  • Patent number: 10371321
    Abstract: The present invention relates to an anchor structure able to actively cope with hull deformation, and to a liquid natural gas storage tank and a production method for a liquid natural gas storage tank comprising the anchor structure. According to one embodiment of the present invention, an anchor structure is provided wherein an anchor structure, for linking a sealing wall and an inner wall of a liquid natural gas storage tank, comprises: an anchor member adapted such that a joining part, which is joined to the sealing wall, can slide horizontally; and a thermally insulating material formed around the anchor member.
    Type: Grant
    Filed: July 9, 2015
    Date of Patent: August 6, 2019
    Assignee: KC LNG Tech Co., Ltd.
    Inventors: Hae Chul Han, Ihn Soo Yoon, Kyo Kook Jin, Byung Taek Oh, Yong Bum Cho, Kun Hyung Choe
  • Publication number: 20170227164
    Abstract: A corner structure comprises: a fixed member fixed to a corner of a storage tank; a movable member supported on the fixed member so as to be linearly movable; a stop member attached to the fixed member to prevent the movable member from being detached from the fixed member; and a heat insulating member disposed between a sealing wall and a hull. The fixed member comprises a guide portion provided with a guide recessed portion, the movable member comprises a guide protruding portion inserted into the guide recessed portion, and the width and the length of the guide protruding portion are smaller than the width and the length of the guide recessed portion, so that the movable member can be supported on the fixed member to be movable in the longitudinal direction and in the direction perpendicular to the longitudinal direction.
    Type: Application
    Filed: August 6, 2015
    Publication date: August 10, 2017
    Applicant: KC LNG Tech Co., Ltd.
    Inventors: Hae Chul HAN, Ihn Soo YOON, Heung Seok SEO, Yong Bum CHO, Young Kyun KIM, Kyo Kook JIN, Yeong Beom LEE, Kun Hyung CHOE
  • Publication number: 20170159888
    Abstract: The present invention relates to an anchor structure able to actively cope with hull deformation, and to a liquid natural gas storage tank and a production method for a liquid natural gas storage tank comprising the anchor structure. According to one embodiment of the present invention, an anchor structure is provided wherein an anchor structure, for linking a sealing wall and an inner wall of a liquid natural gas storage tank, comprises: an anchor member adapted such that a joining part, which is joined to the sealing wall, can slide horizontally; and a thermally insulating material formed around the anchor member.
    Type: Application
    Filed: July 9, 2015
    Publication date: June 8, 2017
    Applicant: KC LNG TECH CO., LTD.
    Inventors: Hae Chul HAN, Ihn Soo YOON, Kyo Kook JIN, Byung Taek OH, Yong Bum CHO, Kun Hyung CHOE
  • Patent number: 8886063
    Abstract: An image forming apparatus is provided. The image forming apparatus includes a developing unit which contains a mixture of toner and carrier, a toner sensor which is disposed in the developing unit, and a controller which determines a control voltage for the toner sensor using change information on a change in a quantity of electric charge which changes according to a time during which the image forming apparatus is used or paused, and drives the toner sensor using the determined control voltage and compensates for an output value of the toner sensor. Accordingly, toner can be prevented from being supplied excessively.
    Type: Grant
    Filed: November 9, 2012
    Date of Patent: November 11, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Byung-kyu Kim, Hae-chul Han, Shinichi Hisatomi
  • Publication number: 20130308961
    Abstract: An image forming apparatus is provided. The image forming apparatus includes a developing unit which contains a mixture of toner and carrier, a toner sensor which is disposed in the developing unit, and a controller which determines a control voltage for the toner sensor using change information on a change in a quantity of electric charge which changes according to a time during which the image forming apparatus is used or paused, and drives the toner sensor using the determined control voltage and compensates for an output value of the toner sensor. Accordingly, toner can be prevented from being supplied excessively.
    Type: Application
    Filed: November 9, 2012
    Publication date: November 21, 2013
    Applicant: SAMSUNG Electronics Co., Ltd.
    Inventors: Byung-kyu KIM, Hae-chul HAN, Shinichi HISATOMI