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公开(公告)号：US20240027023A1
公开(公告)日：2024-01-25
申请号：US18266301
申请日：2022-01-28
Applicant: JFE STEEL CORPORATION
Inventor： Hiroshi OKANO , Kazuki MATSUBARA , Shusaku TAKAGI , Nobuyuki ISHIKAWA , Toshio TAKANO
CPC classification number: F17C1/005 , F17C13/06 , F17C2201/0104 , F17C2203/0643 , F17C2221/012
Abstract: A high-pressure hydrogen container includes: a cylinder body; and a lid member that closes an end portion of the cylinder body. The cylinder body includes: a joining portion that fixes the lid member; a cylinder portion that forms an outer shell of a storage portion; and a sealing surface formed at an inner surface of the cylinder body. At least H
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公开(公告)号：US20240035593A1
公开(公告)日：2024-02-01
申请号：US18249543
申请日：2021-11-02
Applicant: JFE STEEL CORPORATION
Inventor： Hiroshi OKANO , Kazuki MATSUBARA , Shusaku TAKAGI , Nobuyuki ISHIKAWA
CPC classification number: F16L9/02 , F16L15/006 , B23G1/02
Abstract: To alleviate stress exerted on a thread portion of a threaded steel pipe or tube during use to prevent fatigue fracture, there is provided a threaded steel pipe or tube having a female thread portion on an inner peripheral surface of at least one end, wherein a maximum value of residual compressive stress at a position of 0.4 mm in a depth direction from a thread bottom of the female thread portion is 100 MPa or more and less than or equal to tensile strength of a material of the threaded steel pipe or tube.
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Patent Agency Ranking
公开(公告)号：US20210396354A1
公开(公告)日：2021-12-23
申请号：US17287683
申请日：2019-11-11
Applicant: JFE STEEL CORPORATION
Inventor： Toshio TAKANO , Hiroshi OKANO , Akihide NAGAO , Nobuyuki ISHIKAWA , Kazuki MATSUBARA
IPC: F17C1/06
Abstract: A high-pressure hydrogen tank includes a metal circular cylinder configured to store high-pressure hydrogen therein, a cap part configured to cover each of opposite end portions of the metal circular cylinder, an outer cylinder surrounding an outer periphery of a circular-cylindrical portion of the metal circular cylinder, and a fastening part configured to fix the cap part to the outer cylinder.
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公开(公告)号：US20240027022A1
公开(公告)日：2024-01-25
申请号：US18248688
申请日：2021-10-18
Applicant: JFE STEEL CORPORATION
Inventor： Kazuki MATSUBARA , Hiroshi OKANO , Shusaku TAKAGI
IPC: F17C1/00
CPC classification number: F17C1/00 , F17C2209/2172 , F17C2205/0352
Abstract: Provided is a steel pipe or tube for hydrogen gas that has both excellent hydrogen embrittlement resistance and high productivity and can be used very suitably as parts of pressure vessels for hydrogen gas. The steel pipe or tube for hydrogen gas having a finish-polished inner surface, in which the inclination angle of a polishing trace present on the inner surface with respect to a circumferential direction of the steel pipe or tube for hydrogen gas is 0° to 30°.
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公开(公告)号：US20240003491A1
公开(公告)日：2024-01-04
申请号：US18250536
申请日：2021-11-02
Applicant: JFE STEEL CORPORATION
Inventor： Hiroshi OKANO , Kazuki MATSUBARA , Shusaku TAKAGI , Nobuyuki ISHIKAWA , Toshio TAKANO
CPC classification number: F17C1/14 , F16J12/00 , F17C2223/035 , F17C2203/0636 , F17C2205/0311 , F17C2209/22 , F17C2201/0104 , F17C2203/0673 , F17C2203/0619
Abstract: To alleviate stress exerted on a thread portion of a high pressure gas container including a metallic container to prevent fatigue fracture, there is provided a high pressure gas container comprising a metallic container, wherein the metallic container includes: a metallic cylinder; a female thread portion on an inner peripheral surface of the metallic cylinder at at least one end; and a lid having, on an outer peripheral surface, a male thread portion configured to screw into the female thread portion, and a maximum value of residual compressive stress at a position of 0.4 mm in a depth direction from a plurality of thread bottoms of the female thread portion and the male thread portion is 100 MPa or more, less than or equal to tensile strength of a material of the metallic cylinder, and less than or equal to tensile strength of a material of the lid.
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公开(公告)号：US20230175646A1
公开(公告)日：2023-06-08
申请号：US17919871
申请日：2021-04-19
Applicant: JFE STEEL CORPORATION
Inventor： Toshio TAKANO , Hiroshi OKANO , Kotaro KADOTA , Shusaku TAKAGI , Kazuki MATSUBARA
CPC classification number: F17C1/005 , F16J15/10 , F16J13/12 , F17C2250/0452
Abstract: A high-pressure hydrogen container is provided that has a simple configuration, requiring less labor for manufacture, achieving reduced manufacturing costs, and ensuring pressure resistance. The high-pressure hydrogen container includes a metal cylinder configured to store high-pressure hydrogen, a pair of lid parts configured to cover both end portions of the metal cylinder, and a plurality of fastening parts configured to fix the pair of lid parts in a state where the metal cylinder is clamped between the pair of lid parts.
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公开(公告)号：US20220397238A1
公开(公告)日：2022-12-15
申请号：US17776302
申请日：2020-11-18
Applicant: JFE STEEL CORPORATION
Inventor： Hiroshi OKANO , Shusaku TAKAGI , Nobuyuki ISHIKAWA , Akihide NAGAO , Kazuki MATSUBARA , Toshio TAKANO , Kotaro KADOTA , Norikazu YAMAGUCHI , Takuya HASEGAWA , Hiroki KUNO
Abstract: A hydrogen supply system is configured to supply hydrogen to a fuel-cell vehicle by using a curdle for hydrogen transport, and includes: a filling unit provided at a hydrogen filling facility and configured to fill the curdle with hydrogen; a management unit configured to calculate a transport timing at which the hydrogen-filled curdle is transported to a business facility that operates the fuel-cell vehicle; a transport unit configured to transport the hydrogen-filled curdle to the business facility in accordance with the transport timing; and a disposition unit configured to dispose the hydrogen-filled curdle transported to the business facility at a place to which the fuel-cell vehicle is capable of accessing to have a refill of the hydrogen in the business facility.
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