公开(公告)号：US20240328561A1

公开(公告)日：2024-10-03

申请号：US18418334

申请日：2024-01-21

Applicant: KOREA GAS CORPORATION

Inventor： Hong Seok SONG ,  Hui Ryoung YOO ,  Dong Kyu KIM ,  Dae Kwang KIM ,  Jae Jun KIM ,  Seung Ung YANG ,  Kwang Hyun YOO ,  Byung Taek OH

IPC: F16L55/38 ,  F16L55/40 ,  F16L101/30

CPC classification number: F16L55/38 ,  F16L55/40 ,  F16L2101/30

Abstract: A pipe inspection apparatus is provided according to one embodiment of the present invention. The pipe inspection apparatus may include a moving body part to travel in a pipe, at least one drive cup disposed on an outer surface of the moving body part and configured to allow the moving body part to travel along an inside of the pipe due to a pressure of a fluid flowing in the pipe, at least one front guide part disposed on a front portion of the drive cup and including a front wheel that brings into contact with the pipe, and at least one rear guide part disposed on a rear portion of the drive cup and including a rear wheel that brings into contact with the pipe.

公开(公告)号：US20220390069A1

公开(公告)日：2022-12-08

申请号：US17783646

申请日：2020-09-02

Applicant: KOREA GAS CORPORATION

Inventor： Ihn Soo YOON ,  Eun Young YUN ,  Young Kyun KIM ,  Byung Taek OH ,  Yeong Beom LEE ,  Hae Chul HAN ,  Ki Ho YIM ,  Yong Keun YOON

IPC: F17C3/02 ,  B63B25/12

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.