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公开(公告)号：US20230250812A1
公开(公告)日：2023-08-10
申请号：US18145571
申请日：2022-12-22
Inventor： Daisuke WADA , Naofumi KANEI
CPC classification number: F04B25/02 , F04B25/005 , F05D2270/02 , F05D2210/12
Abstract: Provided is a reciprocating compressor including a third-stage compression unit, a fifth-stage compression unit, a drive unit, a discharge mechanism, a pressure sensor, and a discharge control unit. The discharge mechanism is capable of discharging hydrogen gas from a second connection pipe that allows hydrogen gas to flow to be suctioned into the third-stage compression unit. The discharge control unit controls the discharge mechanism to discharge the hydrogen gas from the second connection pipe when pressure of the hydrogen gas detected by the pressure sensor is higher than a set value preset.
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公开(公告)号：US20230234172A1
公开(公告)日：2023-07-27
申请号：US18000905
申请日：2021-03-19
Inventor： Katsuhiro MATSUKADO , Akihiro TSURUNO , Yuji SHIBUYA , Yousuke UCHIDA , Atsushi SAJI
CPC classification number: B23K35/288 , B23K35/0238 , C22C21/02 , C22C21/10
Abstract: An aluminum alloy brazing sheet having a core material, a brazing filler material provided on one surface of the core material, and an intermediate material provided between the core material and the brazing filler material. The core material contains, in mass%, Mn: 0.20% to 2.00%, Si: 0.20% to 1.50%, Cu: 0.20% to 1.50%, and Mg: 0.10% to 0.90%, with the remainder being Al and unavoidable impurities. The intermediate material contains, in mass%, Zn: 0.50% to 8.00%, and Mg: 0.10% to 0.90%, with the remainder being Al and unavoidable impurities. The brazing filler material contains, in mass%, Si: 5.00% to 15.00%, Mg: 0.10% to 0.90%, Bi: 0.10% to 0.50%, and Cu: 0.05% to 0.50%, with the remainder being Al and unavoidable impurities. The aluminum alloy brazing sheet satisfies the formula 10.0≤[Zn]/[Cu]≤40.0.
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公开(公告)号：US20230191690A1
公开(公告)日：2023-06-22
申请号：US17999134
申请日：2021-05-14
Inventor： Akinori YOSHIKAWA , Masatoshi HIDA
IPC: B29C64/118 , B29C64/393 , B23K9/04 , B23K9/032 , B23K9/095
CPC classification number: B29C64/118 , B29C64/393 , B23K9/04 , B23K9/032 , B23K9/0956 , B33Y10/00
Abstract: The shape profile of an existing weld bead is measured by a non-contact type shape sensor provided integrally with a welding torch on a robot tip end shaft, midway through molding of a laminate molded object on the basis of a lamination trajectory plan. First geometric information relating to the bead shape is extracted from the shape profile and the target position of the welding torch, second geometric information corresponding to the first geometric information is extracted from the deposition track plan, and an offset amount is calculated from the first geometric information and the second geometric information. In accordance with the offset amount, the deposition track plan is updated by updating at least one of the bead height and the bead width of the weld bead determined by the deposition track plan, and the welding conditions are updated in accordance with the update result of the deposition track plan.
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24.发明公开公开(公告)号：US20230173733A1
公开(公告)日：2023-06-08
申请号：US17999837
申请日：2021-06-02
Inventor： Hodaka MIURA , Wendong XU
IPC: B29C48/515 , B29C48/00 , B29C48/505
CPC classification number: B29C48/515 , B29C48/022 , B29C48/507
Abstract: A metal member according to the present invention is a metal member having a surface in contact with a rubber material, wherein at least a portion of the surface of the metal member in contact with the rubber material is formed from an alloy containing cobalt and chromium, and the metal member comprises a fluid passage for adjusting a temperature of the at least a portion of the surface of the metal member in contact with the rubber material.
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25.发明公开公开(公告)号：US20230145251A1
公开(公告)日：2023-05-11
申请号：US17906455
申请日：2021-03-12
Inventor： Koichiro AKARI
IPC: C23C14/06
CPC classification number: C23C14/0641
Abstract: Provided is a hard coating film having excellent sand abrasion resistance. The present invention relates to a hard coating film (20) including a nitride containing Al and Cr as main components, the hard coating film (20) having a thickness of 6 μm or more.
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Patent Agency Ranking
公开(公告)号：US20230098914A1
公开(公告)日：2023-03-30
申请号：US17930449
申请日：2022-09-08
Inventor： Masatoshi YOSHIDA
IPC: B60N2/68
Abstract: A seat back frame for automobile includes a first side frame and a second side frame that are arranged apart from each other in a vehicle width direction, an upper frame that connects an upper end portion of the first side frame and an upper end portion of the second side frame, and an upper bracket that is attached to the upper end portion of the first side frame and guides a seat belt. The first side frame is an extruded material extending in a vehicle vertical direction, and has a fixed lower end portion. The first side frame has a closed cross-section portion in a cross-section perpendicular to the vehicle vertical direction. The upper end portion of the first side frame is crushed rearward of a vehicle, and a thickness of the upper end portion in a vehicle front-rear direction is smaller than that of the lower end portion.
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公开(公告)号：US20230040459A1
公开(公告)日：2023-02-09
申请号：US17790890
申请日：2020-12-28
Inventor： Kosuke SHIBATA , Junichiro KINUGASA , Keisuke NAKATA , Atsuhiro SHIRAKI
IPC: C21D9/46 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/00 , C22C38/08 , C22C38/14 , C22C38/16 , C21D8/02
Abstract: A high-strength steel sheet with excellent delayed fracture resistance, having a tensile strength of 1700 MPa or larger, including a predetermined component composition, having a martensite structure whose ratio accounts for 95 area % or more of the entire metallographic structure, and having a transition metal carbide whose ratio accounts for 0.8 volume % or more of the entire metallographic structure.
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公开(公告)号：US20230032662A1
公开(公告)日：2023-02-02
申请号：US17789074
申请日：2020-12-18
Inventor： Yoshihaya IMAMURA , Chieko IMAI
Abstract: Provided are: a metal composite material in which a metal material and an aluminum casting are integrated with one another so as to exhibit high adhesion strength; and a method for producing the same. The metal composite material has a metal material and an aluminum casting which is layered on the metal material. Projecting alloy sections of the metal material which have a higher melting point than does the aluminum casting are formed on the surface of the metal material. The aluminum casting covers the surface of the metal material and is tightly adhered to the projecting alloy sections.
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公开(公告)号：US20230032384A1
公开(公告)日：2023-02-02
申请号：US17758993
申请日：2020-05-15
Inventor： Kenichiro MITSUHASHI , Yasuhiro MITARAI , Jong Yoon CHO
Abstract: Provided is a cooling device with which it is possible to cool a fluid to be cooled, even before maintenance work, if a fault such as a blockage or a breakage occurs in a part of a channel. The cooling device (1) is provided with four heat exchangers (1A-1D) and a plurality of heat exchanger connection parts (111-120), each of the heat exchanger connection parts allowing natural gas to flow therethrough. Each of the heat exchangers has: a drum (101, 102, 103, fourth drum 104), a refrigerant reservoir (T), a plurality of heat exchanger core parts (121, 122, 123, 124) immersed in liquid propane in the refrigerant reservoir (T), and a demister (106). A plurality of cooling channels allowing natural gas to flow therethrough are installed, independent of each other, from the first heat exchanger (1A) to the fourth heat exchanger (1D).
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公开(公告)号：US20220403477A1
公开(公告)日：2022-12-22
申请号：US17779384
申请日：2020-11-27
Applicant: NIPPON STEEL CORPORATION , JFE STEEL CORPORATION , KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.) , NIPPON STEEL ENGINEERING CO., LTD.
Inventor： Hiroshi SAKAI , Kaoru NAKANO
Abstract: According to a certain viewpoint of the present invention, there is provided a blast furnace operation method comprising blowing a high-concentration hydrogen-containing gas containing 80 mol % or more of hydrogen gas from a tuyere under: a condition in which a blowing temperature of the high-concentration hydrogen-containing gas is room temperature or higher and 300° C. or lower and a gas volume of the hydrogen gas in the high-concentration hydrogen-containing gas is 200 Nm3/t or more and 500 Nm3/t or less; a condition in which the blowing temperature of the high-concentration hydrogen-containing gas is higher than 300° C. and 600° C. or lower and the gas volume of the hydrogen gas in the high-concentration hydrogen-containing gas is 145 Nm3/t or more; a condition in which the blowing temperature of the high-concentration hydrogen-containing gas is higher than 600° C. and 900° C. or lower and the gas volume of the high-concentration hydrogen-containing gas is 125 Nm3/t or more, or the like.
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