公开(公告)号：US20240190091A1

公开(公告)日：2024-06-13

申请号：US18413113

申请日：2024-01-16

Applicant: JIANGSU UNIVERSITY OF SCIENCE AND TECHNOLOGY

Inventor： Yongmei ZHU ,  Hongzhang PAN ,  Jian ZHANG ,  Shijie SU ,  Suzhou ZHANG ,  Chuxiang LIN

IPC: B29C73/12

CPC classification number: B29C73/12

Abstract: A device includes a water storage tank, a control cabin and an operation cabin which are sequentially connected from top to bottom, the operation cabin includes a sealing zone and an operation zone, the sealing zone is located on an inner wall of the operation cabin, a pressure difference between an internal pressure and an external pressure is adjusted to make the maintenance enhancing device separated from or absorbed on a subsea pipeline, and the operation zone is located between the sealing zone and the subsea pipeline.