Patents Examined by Colleen P Dunn
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Patent number: 10347406Abstract: An internally segmented magnet is disclosed. The magnet may include a first layer of a permanent magnetic material, a second layer of a permanent magnetic material, and an insulating layer separating the first and second layers. The insulating layer may include a ceramic mixture of at least a first ceramic material and a second ceramic material. The mixture having a melting point of up to 1,100° C. and may be a eutectic, or near eutectic, composition. The magnet may be formed by forming a first layer of powdered permanent magnetic material, depositing an insulating layer over the first layer, depositing a second layer of powdered permanent magnetic material over the insulating layer to form an internally segmented magnet stack, and sintering the magnet stack. The ceramic materials may include a halogen and an alkaline earth metal, alkali metal, or a metal having a +3 or +4 oxidation state.Type: GrantFiled: September 28, 2015Date of Patent: July 9, 2019Assignee: Ford Global Technologies, LLCInventor: Wanfeng Li
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Patent number: 10343216Abstract: A method for producing a three-dimensional object (2) by applying layers of a pulverulent construction material (11) and by selectively solidifying said material by the action of energy comprises the steps: a layer of the pulverulent construction material (11) is applied to a support (6) or to a layer of the construction material that has been previously applied and at least selectively solidified; an energy beam (14) from an energy source (13) sweeps over points on the applied layer corresponding to a cross-section of the object (2) to be produced in order to selectively solidify the pulverulent construction material (11); and a gas flow (18) is guided in a main flow direction (RG) over the applied layer during the sweep of the energy beam (14). The main flow direction (RG) of the gas flow (G) and the sweep direction (RL) of the energy beam (14) are adapted to one another at least in one region of the cross-section to be solidified.Type: GrantFiled: March 28, 2014Date of Patent: July 9, 2019Assignee: EOS GmbH Electro Optical SystemsInventors: Robert Achim Domrose, Michael Hutzel, Alexander Schilling, Andre Danzig, Jorg Hamann, Thomas Hess, Marc Dimter
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Patent number: 10344370Abstract: A method of fabricating a nitrided low-alloy steel part, includes a) decarburizing the surface of a low-alloy steel part including at least one alloying element that is both nitride-forming and carbide forming in order to obtain a decarburized part presenting a carbon-depleted surface layer of thickness less than or equal to 1.5 mm, the minimum content of carbon by weight in the carbon-depleted surface layer being less than or equal to 70% of the carbon content by weight in the core of the decarburized part; b) treating the decarburized part with quenching treatment followed by annealing treatment; and c) nitriding the carbon-depleted surface layer in order to obtain a nitrided low-alloy steel part, step c) being performed after step b).Type: GrantFiled: February 12, 2016Date of Patent: July 9, 2019Assignee: MESSIER-BUGATTI-DOWTYInventors: Alain Viola, Nicolas Binot
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Patent number: 10344183Abstract: The present invention relates to a suspension of cerium oxide particles in a liquid phase, in which said particles comprise secondary particles comprising primary particles, and a process for preparing said liquid suspension in which the cerium IV/total cerium molar ratio before precipitation is comprised between 1/10000 and 1/500000 and that the thermal treatment is being carried out under an inert atmosphere.Type: GrantFiled: December 16, 2014Date of Patent: July 9, 2019Assignee: Rhodia OperationsInventors: Eisaku Suda, Manabu Yuasa, Takao Sekimoto
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Patent number: 10347418Abstract: A method includes: manufacturing a sintered compact represented by (Rl)x(Rh)yTzBsMt and has a grain boundary phase; manufacturing a rare earth magnet precursor from the sintered compact; and performing a heat treatment on the rare earth magnet precursor at 450° C. to 700° C. to diffuse and to infiltrate a melt of a modified alloy containing a light rare earth element and either a transition metal element, Al, In, Zn, or Ga into the grain boundary phase. Rl represents a light rare earth element. Rh represents Dy or Tb. T represents a transition metal containing at least one of Fe, Ni, and Co. B represents boron. M represents at Ga, Al, or Cu. x, y, z, s, and t represent mass % of Rl, Rh, T, B, and M. Following expressions are established: 27?x?44, 0?y?10, z=100?x?y?s?t, 0.75?s?3.4, 0?t?3. An infiltration amount of the modified alloy is 0 mass % to 5 mass %.Type: GrantFiled: December 17, 2014Date of Patent: July 9, 2019Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Noritsugu Sakuma, Tetsuya Shoji, Daisuke Sakuma, Kazuaki Haga
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Patent number: 10343113Abstract: The present invention relates to an apparatus for absorbing and mineralizing carbon dioxide comprising a reactor and a three-phase separator, in which said reactor comprises a tower body and a draft tube disposed inside the tower body, a liquid inlet pipe and a gas intake pipe being disposed on the tower body, the outlet ends of the liquid inlet pipe and the gas intake pipe both being located inside the draft tube; and the three-phase separator is disposed at the upper end of the reactor, and a method therefor.Type: GrantFiled: September 26, 2016Date of Patent: July 9, 2019Assignees: YUANCHU TECHNOLOGY (BEIJING) CO., LTD., TSINGHUA UNIVERSITYInventors: Guoqiang Jiang, Jiantao Zhang, Changjun Yu, Haichuan Ding
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Patent number: 10344348Abstract: A slide ring includes a main body composed of grey cast iron, wherein at least a partial region of a functional surface has a ledeburitic microstructure at the surface. A method for producing such a slide ring includes heating a functional surface of the slide ring by irradiating with high-energy radiation, wherein the irradiation is carried out so that at least a partial region of the irradiated surface is remelted, wherein the parameters of the irradiation are selected so that at least a partial region of the functional surface has a ledeburitic microstructure after cooling.Type: GrantFiled: July 3, 2014Date of Patent: July 9, 2019Assignee: Federal-Mogul Friedberg GmbHInventors: Christoph Bradl, Marc-Manuel Matz, Andreas Dengler, Andreas Kumpfmuller
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Patent number: 10337092Abstract: A steel sheet according to the present invention includes a predetermined chemical composition, in which amounts of each elements by mass % in the chemical composition satisfy both of expression “0.3000?{Ca/40.88+(REM/140)/2}/(S/32.07)” and expression “Ca?0.0058?0.0050×C”, and a number density of carbonitrides including Ti which exists independently and has a long side of 5 ?m or more is limited to 5 pieces/mm2 or less.Type: GrantFiled: April 24, 2014Date of Patent: July 2, 2019Assignee: NIPPON STEEL & SUMITOMO METAL CORPORATIONInventors: Takashi Morohoshi, Takashi Aramaki, Masafumi Zeze
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Patent number: 10335857Abstract: A method for manufacturing a gas turbine engine component from a molybdenum-rich alloy. The method includes the steps of providing a molybdenum powder of at least 50% molybdenum by weight, extruding the molybdenum powder to provide a first shape, forming the first shape to a second shape and forging the second shape to provide a third shape.Type: GrantFiled: September 10, 2015Date of Patent: July 2, 2019Assignee: UNITED TECHNOLOGIES CORPORATIONInventor: John P. Rizzo, Jr.
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Patent number: 10337114Abstract: A process for recycling glass from screens deriving from the disposal of cathode-ray tube television sets with quantitative recovery of the lead in metal form, is described.Type: GrantFiled: March 22, 2017Date of Patent: July 2, 2019Assignee: E.V.H. S.r.l.Inventor: Francesco Della Casa
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Patent number: 10337079Abstract: The present invention relates to a maraging steel containing, in terms of mass %, 0.20?C?0.35, 9.0?Co?20.0, 1.0?(Mo+W/2)?2.0, 1.0?Cr?4.0, and a certain amount of Ni, with the balance being Fe and inevitable impurities, in which in a case where the contents of V and Nb satisfy V+Nb?0.020 mass %, the amount of Ni is 6.0?Ni?9.4, and in which in a case where the contents of V and Nb satisfy 0.020 mass %<V+Nb?0.60 mass %, the amount of Ni is 6.0?Ni?16.0.Type: GrantFiled: May 13, 2016Date of Patent: July 2, 2019Assignee: DAIDO STEEL CO., LTD.Inventors: Kenji Sugiyama, Keita Hinoshita, Hiroyuki Takabayashi, Shigeki Ueta
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Patent number: 10333050Abstract: The invention relates to a method for producing a composite comprising a high-temperature superconductor (HTS) layer based on rare earth metal-barium-copper oxide on a substrate with defined biaxial texture, having the following steps: applying a first HTS coating solution to the substrate, drying the first HTS coating solution to produce a first film, pyrolyzing the first film to produce a first pyrolyzed sublayer, removing an interfacial layer on the upper side of the first pyrolyzed sublayer to produce a first pyrolyzed sublayer with reduced layer thickness, applying a second HTS coating solution to the first pyrolyzed sublayer with reduced layer thickness, drying the second HTS coating solution to produce a second film, pyrolyzing the second film to produce a second pyrolyzed sublayer, optionally forming one or more further pyrolyzed sublayers on the second pyrolyzed sublayer, and crystallizing the overall layer formed from the pyrolyzed sublayers to complete the HTS layer, wherein the removal of the inteType: GrantFiled: June 3, 2015Date of Patent: June 25, 2019Assignee: BASF SEInventors: Martina Falter, Oliver Thiems, Michael Baecker
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Patent number: 10332656Abstract: An oxide superconducting wire, includes a laminate including a base material, an intermediate layer, and an oxide superconducting layer, the intermediate layer being laminated on a main surface of the base material, the intermediate layer being constituted of one or more layers having an orientation, the intermediate layer having one or more first non-orientation regions extending in a longitudinal direction of the base material, the oxide superconducting layer being laminated on the intermediate layer, the oxide superconducting layer having a crystal orientation controlled by the intermediate layer, the oxide superconducting layer having second non-orientation regions located on the first non-orientation regions, and a metal layer which covers at least a front surface and side surfaces of the oxide superconducting layer in the laminate.Type: GrantFiled: September 23, 2016Date of Patent: June 25, 2019Assignee: FUJIKURA LTD.Inventor: Chihaya Kurihara
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Patent number: 10329649Abstract: A steel product, such as a strip, plate, sheet, bar or wire, manufactured from austenitic stainless steel. A steel product, wherein: a—the average grain size of the recrystallized austenitic structure of said product is at most 6 , b—less than 50% of the structure of said product is non-recrystallized austenite c—the yield strength (Rpo.2) is at least 350 MPa, d—the tensile strength (Rm) is at least 600 MPa, and e—the uniform elongation (Ag) of said product is at least 5%, depending on the strength. The invention also relates to a method.Type: GrantFiled: January 20, 2012Date of Patent: June 25, 2019Assignee: SOLU STAINLESS OYInventor: Jouko Leinonen
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Patent number: 10323308Abstract: An austenitic stainless steel composition having low nickel and molybdenum and exhibiting high corrosion resistance and good formability. The austenitic stainless steel includes, in weight %, up to 0.20 C, 2.0-6.0 Mn, up to 2.0 Si, 16.0-23.0 Cr, 5.0-7.0 Ni, up to 3.0 Mo, up to 3.0 Cu, 0.1-0.35 N, up to 4.0 W, up to 0.01 B, up to 1.0 Co, iron and impurities. The austenitic stainless steel has a ferrite number less than 11 and an MD30 value less than ?10° C.Type: GrantFiled: March 1, 2017Date of Patent: June 18, 2019Assignee: ATI PROPERTIES LLCInventors: David S. Bergstrom, James M. Rakowski, Charles P. Stinner, John J. Dunn, John F. Grubb
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Patent number: 10323165Abstract: An agglomerate abrasive grain includes a mixture of individual abrasive grains and hollow bodies, wherein the abrasive grains and the hollow bodies are held together via a binding matrix of aluminosilicate and alkali silicate, and the agglomerate abrasive grain has an open porosity and a closed porosity in each case ranging from 5% by volume to 40% by volume, wherein the total porosity of the agglomerate abrasive grain is less than 50% by volume.Type: GrantFiled: September 11, 2013Date of Patent: June 18, 2019Assignee: ImerTech SASInventors: Knuth Gebhardt, Georg Paul Zylka
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Patent number: 10309000Abstract: The present invention relates to a method for preparing an aluminum-copper-iron quasicrystal and silicon carbide mixed reinforced aluminum matrix composite, where the aluminum-copper-iron quasicrystal and silicon carbide mixed reinforced aluminum matrix composite is prepared with an aluminum alloy serving as a matrix and with aluminum-copper-iron quasicrystal and silicon carbide serving as reinforcement agents via smelting in an intermediate-frequency induction melting furnace through the process of intermediate-frequency induction heating, vacuumizing, bottom blowing argon, and casting molding in view of low hardness and low tensile strength of aluminum matrix materials. The prepared aluminum-copper-iron quasicrystal and silicon carbide mixed reinforced aluminum matrix composite has a hardness of 80.3 HB which is improved by 50.64% and tensile strength of 285 Mpa which is improved by 60.42%, and corrosion resistance thereof is improved by 40%.Type: GrantFiled: May 19, 2016Date of Patent: June 4, 2019Assignee: NORTH UNIVERSITY OF CHINAInventors: Yuhong Zhao, Fenghao Zhang, Hua Hou, Jinzhong Tian, Ling Yang, Yuchun Jin
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Patent number: 10301700Abstract: A complexly formed steel component may have a tensile strength Rm of greater than 1200 MPa and an elongation at break A50 of greater than 6%. Example methods for producing such components comprise providing a flat steel product, which in addition to iron and unavoidable impurities, contains in percent by weight 0.10-0.60% C, 0.4-2.5% Si, up to 3.0% Al, 0.4-3.0% Mn, up to 1% Ni, up to 2.0% Cu, up to 0.4% Mo, up to 2% Cr, up to 1.5% Co, up to 0.2% Ti, up to 0.2% Nb, and up to 0.5% V. At least 10% by volume of a microstructure of the flat steel product may consist of residual austenite comprising globular residual austenite islands with a grain size of at least 1 ?m. Before being cooled, the flat steel product may be heated to a forming temperature of 150-400° C. and formed into a component with a degree of forming that is at most equal to uniform elongation Ag.Type: GrantFiled: August 18, 2014Date of Patent: May 28, 2019Assignee: THYSSENKRUPP STEEL EUROPE AGInventors: Brigitte Hammer, Thomas Heller, Frank Hisker, Rudolf Kawalla, Grzegorz Korpala
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Patent number: 10301693Abstract: A steel slab having a composition containing C: more than 0.07% and 0.2% or less, Si: 2.0% or less, Mn: 1.0% to 3.0%, Al: 0.1% or less, Ti: 0.05% to 0.3%, and V: 0.05% to 0.3% on a mass percent basis is heated to 1100° C. or more and is subjected to rough rolling and finish rolling. In the finish rolling, the total rolling reduction of two final passes is 30% or more, and the finish rolling temperature ranges from (Ar3 transformation temperature) to (Ar3 transformation temperature+120° C.). Cooling is started within 2 seconds after the finish rolling. Coiling is performed at an average cooling rate of 40° C./s or more at a coiling temperature in the range of 300° C. to 500° C. The resulting high-strength hot-rolled steel sheet has a microstructure in which a bainite phase constitutes more than 90% by volume, the average lath interval of bainite is 0.Type: GrantFiled: May 2, 2016Date of Patent: May 28, 2019Assignee: JFE Steel CorporationInventors: Katsumi Nakajima, Kazuhiko Yamazaki, Chikara Kami
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Patent number: 10301698Abstract: A hot-rolled steel sheet for a generator rim contains a structure containing a ferrite phase with an areal ratio of 95% or more in which precipitates containing Ti and V whose average grain diameter is less than 10 nm are precipitated in crystal grains of the ferrite phase. The ferrite phase has an average crystal grain diameter within the range of 2 ?m or more and less than 10 ?m. The hot-rolled steel sheet for a generator rim has strength with a yield strength YS in a rolling direction of 700 MPa or more and electromagnetic properties with a magnetic flux density B50 of 1.5 T or more and a magnetic flux density B100 of 1.6 T or more.Type: GrantFiled: January 30, 2013Date of Patent: May 28, 2019Assignee: JFE Steel CorporationInventors: Nobuyuki Nakamura, Katsumi Nakajima, Yoshimasa Funakawa, Kazutaka Okimoto, Takahiko Ogura