Patents Examined by Paul Wartalowicz
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Patent number: 11198930Abstract: There is provided a precipitation-strengthened stainless steel plate having a chemical composition: by mass %, C: 0.01 to 0.10%; Si: 0.02 to 3.0%; Mn: 0.02 to 2.0%; Ni: 20 to 30%, Cr: 14 to 25.0%; Mo: 1.0 to 4.0%; Cu: 0.01 to 2.0%; Co: 0.01 to 0.5%; V: 0.1 to 1.0%; B: 0.001 to 0.01%; N: 0.02% or less; Ti: 2.0 to 5.0%; Al: 0.002 to 5.0%; Ti+Al: 3.3 to 6.0%; and the balance being Fe and impurities, the precipitation-strengthened stainless steel plate having a Vickers hardness Hv of 300 or higher, wherein the number density ??: Ni3(Al, Ti), which is an intermetallic compound, is 0 to 5/?m2. As a heat resistant component material, the precipitation-strengthened stainless steel plate is less expensive than conventional Ni-based alloys such as NCF625 and NCF718, and more excellent in high temperature properties than a precipitation-strengthened heat-resistant stainless steel such as SUH660.Type: GrantFiled: September 15, 2015Date of Patent: December 14, 2021Assignee: NIPPON STEEL CORPORATIONInventors: Masayoshi Sawada, Yuichi Fukumura
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Patent number: 11195628Abstract: A method of manufacturing a zirconium alloy for a nuclear fuel cladding tube includes melting a mixture of 0.5 wt % of Nb, 0.4 wt % of Mo, 0.1 to 0.15 wt % of Cu, 0.15 to 0.2 wt % of Fe, and a balance of zirconium to prepare a melted ingot; heat treating the melted ingot at 1,000 to 1,050° C. for 30 to 40 min. followed by quenching in water to prepare a heat-treated ingot; preheating the heat-treated ingot at 630 to 650° C. for 20 to 30 min. to prepare a preheated ingot followed by hot rolling the preheated ingot at a reduction ratio of 60 to 65% to provide a hot-rolled material; thrice performing vacuum annealing followed by cold-rolling; and vacuum annealing a third cold-rolled material in a final vacuum annealing at 510 to 520° C. for 7 to 9 hrs. to provide the zirconium alloy as a cold-rolled material.Type: GrantFiled: November 8, 2019Date of Patent: December 7, 2021Assignee: KEPCO NUCLEAR FUEL CO., LTD.Inventors: Min Young Choi, Yong Kyoon Mok, Yoon Ho Kim, Yeon Soo Na, Chung Yong Lee, Hun Jang, Tae Sik Jung, Dae Gyun Go, Sung Yong Lee, Seung Jae Lee, Jae Ik Kim
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Patent number: 11177588Abstract: In a high-temperature superconducting (HTS) wire connection assembly in which HTS wires each including a HTS layer are connected to each other, a first HTS wire and a second HTS wire that face each other are connected to each other at a plurality of joint portions separated from each other along a longitudinal direction of the first HTS wire and the second HTS wire. Each of the plurality of joint portions may preferably have any one of a rectangle shape, a rounded rectangle shape, and an ellipse shape, and it is preferable to satisfy 0.1<L/W<1.5, and is more preferable to satisfy 0.25<L/W<0.75 when a length in the longitudinal direction of the HTS wire is taken as L and a length in a width direction of the HTS wire is taken as W. It is also preferable that W and/or L monotonously increase from upstream side toward downstream side along the longitudinal direction of the wire.Type: GrantFiled: August 27, 2018Date of Patent: November 16, 2021Assignee: RIKENInventors: Shintetsu Kanazawa, Hideaki Maeda, Yoshinori Yanagisawa
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Patent number: 11175355Abstract: This disclosure relates to Superconducting Quantum Interference Apparatuses, such as SQUID arrays and SQUIFs. A superconducting quantum interference apparatus comprises an array of loops each loop constituting a superconducting quantum interference device. The array comprises multiple columns, each of the columns comprises multiple rows connected in series, each of the multiple rows comprises a number of loops connected in parallel, and the number of loops connected in parallel in each row is more than two and less than 20 to improve a performance of the apparatus. It is an advantage that keeping the number of loops in parallel below 20 improves the performance of the apparatus. This is contrary to existing knowledge where it is commonly assumed that a larger number of parallel loops would increase performance.Type: GrantFiled: March 29, 2019Date of Patent: November 16, 2021Assignee: COMMONWEALTH SCIENTIFIC AND INDUSTRIAL RESEARCH ORGANISATIONInventors: Emma Mitchell, Christopher John Lewis
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Patent number: 11174163Abstract: A method for powering an internal combustion engine or other device powered by combustion includes a step of feeding a first stream of biogas to a catalytic reforming reactor in which the first stream contacts oxygen to form a first product stream comprising synthesis gas. The first product stream is combined with a second stream of biogas to form a second product stream. The second product stream is provided to a device powered by combustion. A system implementing the method is also provided.Type: GrantFiled: April 30, 2018Date of Patent: November 16, 2021Assignees: University of Southern California, ES Engineering Services, LLCInventors: Theodore Tsotsis, Richard Prosser, Mingyuan Cao, Sasan Dabir
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Patent number: 11168388Abstract: A steel processing line includes a roller submerged in a quantity of molten metal. The roller includes two journals. Each journal is received by an opening defined by a roller sleeve having a ceramic or refractory material. The roller sleeve is disposed between each journal and a bearing block to reduce or prevent wear on the journal. An inner dimension of each roller sleeve and an outer dimension of each respective journal defines a clearance. The inner dimension of each roller sleeve and the outer dimension of each respective journal is configured such that the clearance persists as the roller and the pair of roller sleeves are heated by the molten metal.Type: GrantFiled: January 31, 2019Date of Patent: November 9, 2021Inventors: Joyce C. Niedringhaus, Daniel J. Cadotte, William F. Sersion, Jr., Tony Lee Webb
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Patent number: 11168381Abstract: A process for upgrading waste powders of the mining industry containing iron oxides is described, which includes preparing a mixture containing powder based on iron oxides, an aqueous dispersion of a thermosetting resin and optionally carbon powder, and a catalyst of acidic nature; kneading the mixture at a temperature between 5 and 100° C. to form a homogeneous paste, and granulating such homogeneous paste at a temperature between 100 and 300° C., thus obtaining granules of powder based on iron oxides and optionally carbon powder bound by the resin that has been polymerized.Type: GrantFiled: October 16, 2014Date of Patent: November 9, 2021Assignee: Ambiente E Nutrizione S.R.L.Inventor: Giuseppina Cerea
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Patent number: 11161738Abstract: Process for the preparation of hydrogen by reacting a feed gas comprising methane and carbon monoxide with steam in the presence of a steam reforming catalyst at a pressure of at least 15 bara in the heated zone of a steam reformer to obtain a raw hydrogen containing product stream, wherein (a) the feed gas is mixed with the steam before entering the steam reformer resulting in a reaction mixture of the feed gas and steam having a temperature below 540° C.; and (b) the reaction mixture obtained in step (a) is fed into the heated zone of the steam reformer where it is first contacted with an inert material before it is contacted with the steam reforming catalyst.Type: GrantFiled: September 7, 2017Date of Patent: November 2, 2021Assignee: SHELL OIL COMPANYInventor: Arjan Allert Jonckers
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Patent number: 11154931Abstract: A manufacturing method for a three-dimensional formed object for manufacturing the three-dimensional formed object by stacking layers includes supplying a first forming material of the three-dimensional formed object to a contour region of the three-dimensional formed object in the layers, applying energy to the first forming material supplied to the contour region to solidify the first forming material, supplying a second forming material to a region corresponding to the three-dimensional formed object, the region being a contact region in contact with the contour region, and applying energy to the second forming material supplied to the contact region to solidify the second forming material.Type: GrantFiled: October 12, 2016Date of Patent: October 26, 2021Assignee: Seiko Epson CorporationInventors: Masaya Ishida, Hajime Onishi, Eiji Okamoto, Kentaro Yamada
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Patent number: 11148948Abstract: A disulfide oil hydrocarbon stream or a mixture of a disulfide oil hydrocarbon stream and a residual oil is partially oxidized in a gasifier to produce a hot raw synthesis gas containing hydrogen and carbon monoxide which can be passed to a steam generating heat exchanger to cool the hot raw synthesis gas and to produce steam which can be used to generate electricity via a turbine and, optionally, subjecting the cooled synthesis gas to the water/gas shift reaction to produce additional hydrogen and carbon dioxide.Type: GrantFiled: December 5, 2018Date of Patent: October 19, 2021Assignee: SAUDI ARABIAN OIL COMPANYInventor: Omer Refa Koseoglu
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Patent number: 11152142Abstract: An R-T-B based permanent magnet excellent in magnetic properties relatively reduces the amount of a heavy rare earth element used. An R-T-B based permanent magnet, wherein R represents a rare earth element, T an iron group element and B boron, includes main phase grains including an R2T14B crystal phase and grain boundaries formed between main phase grains. Grain boundaries include R—O—C—N concentrated parts where concentrations of R, O, C and N are all higher than those in main phase grains. C/R(S)>C/R(C) is satisfied in which C/R(S) represents a C/R ratio (atomic ratio) in R—O—C—N concentrated parts present in a surface of a R-T-B based permanent magnet and C/R(C) represents a C/R ratio (atomic ratio) in the R—O—C—N concentrated parts present in the center of a R-T-B based permanent magnet, and a heavy rare earth element RH is included in the R-T-B based permanent magnet.Type: GrantFiled: March 28, 2019Date of Patent: October 19, 2021Assignee: TDK CORPORATIONInventors: Yuki Nagamine, Masashi Miwa, Yoshinori Fujikawa
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Patent number: 11139474Abstract: A method for preparing a material having an Sn:Sb intermetallic phase includes at least the steps of mixing chemical elements Sn and Sb, and treating the mixture with microwaves. An electrode is manufactured by using the material having an Sn:Sb intermetallic phase; forming the material in a form of powder; mixing the powder with carbon, a binder and a solvent to form an ink; coating a current collector with the ink; and drying the electrode.Type: GrantFiled: November 16, 2016Date of Patent: October 5, 2021Assignees: HUTCHINSON, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITÉ DE MONTPELLIERInventors: David Ayme-Perrot, Philippe Sonntag, Philippe Antitomaso, Laure Monconduit, Francoise Morato-Lallemand, Philippe Girard
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Patent number: 11136641Abstract: High-strength galvannealed steel sheet including any of a) an oxide containing Fe and Mn, b) an oxide containing Fe and Mn and an Fe oxide, c) an oxide containing Fe and Mn and a Mn oxide, d) an oxide containing Fe and Mn, an Fe oxide, and a Mn oxide, and e) an Fe oxide and a Mn oxide is present in a zinc coated layer. The total amount of oxide is 0.01 to 0.100 g/m2; the ratio by mass % of Mn to Fe, e.g., Mn/Fe, contained in the oxide is 0.10 to 10.00; an oxide of at least one selected from Fe and Mn is present in an amount of 60% or more; and an oxide of at least one selected from Fe and Mn is present in a surface layer portion of a steel sheet in an amount of 0.040 g/m2 or less (not including zero).Type: GrantFiled: December 8, 2016Date of Patent: October 5, 2021Assignee: JFE STEEL CORPORATIONInventors: Satoshi Maeda, Yoichi Makimizu, Yoshitsugu Suzuki, Katsumi Yamada, Yoshiyasu Kawasaki
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Patent number: 11136650Abstract: A titanium alloy melt includes about 7.0 to about 9.0 percent by weight vanadium (V), about 3.0 to about 4.5 percent by weight aluminum (Al), about 0.8 to about 1.5 percent by weight iron (Fe), at most about 0.15 percent by weight oxygen (O), and titanium (Ti) and a titanium alloy powder, formed from the titanium alloy melt, includes about 7.0 to about 9.0 percent by weight vanadium (V), about 3.0 to about 4.5 percent by weight aluminum (Al), about 0.8 to about 1.5 percent by weight iron (Fe), at most about 0.18 percent by weight oxygen (O), and titanium (Ti).Type: GrantFiled: March 14, 2017Date of Patent: October 5, 2021Assignee: The Boeing CompanyInventors: Joe Pecina, Robert Burkett, Gary M. Backhaus
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Patent number: 11130712Abstract: A method of producing polycrystalline Y3Ba5Cu8Oy (Y-358) whereby powders of yttrium (III) oxide, a barium (II) salt, and copper (II) oxide are pelletized, calcined at 850 to 950° C. for 8 to 16 hours, ball milled under controlled conditions, pelletized again and sintered in an oxygen atmosphere at 900 to 1000° C. for up to 72 hours. The polycrystalline Y3Ba5Cu8Oy thus produced is in the form of elongated crystals having an average length of 2 to 10 ?m and an average width of 1 to 2 ?m, and embedded with spherical nanoparticles of yttrium deficient Y3Ba5Cu8Oy having an average diameter of 5 to 20 nm. The spherical nanoparticles are present as agglomerates having flower-like morphology with an average particles size of 30 to 60 nm. The ball milled polycrystalline Y3Ba5Cu8Oy prepared under controlled conditions shows significant enhancement of superconducting and flux pinning properties.Type: GrantFiled: September 24, 2018Date of Patent: September 28, 2021Assignee: Imam Abdulrahman Bin Faisal UniversityInventor: Yassine Slimani
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Non-oriented electrical steel sheet and method for manufacturing non-oriented electrical steel sheet
Patent number: 11114227Abstract: A non-oriented electrical steel sheet has low iron loss even under inverter excitation and can be suitably used as the iron core of a motor. The non-oriented electrical steel sheet has a specific chemical composition and an average grain size r of 40 ?m to 120 ?m. An area ratio R of a total area of grains having a grain size of ? or less of the thickness of the steel sheet to a cross-sectional area of the steel sheet is 2% or greater, and the average grain size r (?m) and the area ratio R (%) satisfy a condition represented by Expression (1), R>?2.4×r+200 (1).Type: GrantFiled: December 14, 2016Date of Patent: September 7, 2021Assignee: JFE STEEL CORPORATIONInventors: Masanori Uesaka, Kunihiro Senda, Takeshi Omura -
Patent number: 11112174Abstract: Devices, systems, and methods for liquefied natural gas production facilities are disclosed herein. A liquefied natural gas (LNG) production facility includes a liquefaction unit and a gas turbine. The liquefaction unit condenses natural gas vapor into liquefied natural gas. Fuel to the gas turbine contains at least about 90% hydrogen by volume.Type: GrantFiled: December 22, 2020Date of Patent: September 7, 2021Assignee: NEXT CARBON SOLUTIONS, LLCInventors: Ivan Van der Walt, Ben Heichelbech, Alex Thompson, Vikrum Subra, Victor Fernandes, Michael Abegg
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Patent number: 11114225Abstract: A rare-earth thin film magnet is provided which includes Nd, Fe and B as essential components, characterized by including a Si substrate having an oxide film present on a surface thereof, a Nd base film formed as a first layer over the Si substrate, and a Nd—Fe—B film formed as a second layer on the first layer. The rare earth thin film magnet and a production process therefor provides a rare earth thin film magnet suffering neither film separation nor substrate breakage and having satisfactory magnetic properties even when the second layer has composition in the range of 0.120 ?Nd/(Nd+Fe)<0.150, which corresponds to a compositional range in the vicinity of a stoichiometric composition.Type: GrantFiled: February 28, 2017Date of Patent: September 7, 2021Assignee: JX NIPPON MINING & METALS CORPORATIONInventors: Masaki Nakano, Hirotoshi Fukunaga, Takeshi Yanai, Hironobu Sawatari
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Patent number: 11107967Abstract: A superconducting material includes YBa2Cu3O7-? and a nano-structured, preferably nanowires, WO3 dopant in a range of from 0.01 to 3.0 wt. %, preferably 0.075 to 0.2 wt. %, based on total material weight. Methods of making the superconductor may preferably avoid solvents and pursue solid-state synthesis employing Y, Ba, and/or Cu oxides and/or carbonates.Type: GrantFiled: October 16, 2018Date of Patent: August 31, 2021Assignee: Imam Abdulrahman Bin Faisal UniversityInventors: Yassine Slimani, Munirah Abdullah Almessiere, Faten Ben Azzouz
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Patent number: 11105368Abstract: A superconductor-magnet bearing system can include a first bearing portion and a second bearing portion. One of the first and second bearing portions can be at least partially composed of a high-temperature superconductor (HTS) and another can be at least partially composed of a magnet. The first bearing portion can be disposed at least partially within an opening of the second bearing portion with a gap between the first and second portions. A magnetic bearing portion can include a plurality of rings disposed next to one another. An HTS bearing portion can include a magnet. The bearing portions can be biased toward an alignment with one another. One bearing portion can rotate relative to another bearing portion.Type: GrantFiled: September 17, 2018Date of Patent: August 31, 2021Assignee: REVTERRA CORPORATIONInventor: BenMaan I. Jawdat
