Patents Examined by Christopher Kessler
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Patent number: 10100386Abstract: A method for preparing an article of a base metal alloyed with an alloying element includes the steps of preparing a compound mixture by the steps of providing a chemically reducible nonmetallic base-metal precursor compound of a base metal, providing a chemically reducible nonmetallic alloying-element precursor compound of an alloying element, and thereafter mixing the base-metal precursor compound and the alloying-element precursor compound to form a compound mixture. The compound mixture is thereafter reduced to a metallic alloy, without melting the metallic alloy. The step of preparing or the step of chemically reducing includes the step of adding an other additive constituent. The metallic alloy is thereafter consolidated to produce a consolidated metallic article, without melting the metallic alloy and without melting the consolidated metallic article.Type: GrantFiled: June 15, 2012Date of Patent: October 16, 2018Assignee: General Electric CompanyInventors: Andrew Philip Woodfield, Eric Allen Ott, Clifford Earl Shamblen, Michael Francis Xavier Gigliotti
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Patent number: 10090072Abstract: One or more metal printing techniques are described for generating a three-dimensional metal structure, such as a one-dimensional or two-dimensional anti-scatter grid. The techniques comprise applying a thin layer of powdered metal onto a printing area and using a binder (which is printed onto the printing area according to a specified pattern) to bind the powdered metal particles together. The acts of applying powdered metal and a binder may be repeated a plurality of times until a three-dimensional metal structure having a specified height is created. Moreover, in one embodiment, once the layering is complete, another binder is applied to the one or more layers to provide strength and/or support. While heat may be used in some embodiments to activate one or more of the applied binders the three-dimensional metal structure is generally not heated to a melting point of the powdered metal.Type: GrantFiled: January 2, 2015Date of Patent: October 2, 2018Assignee: ANALOGIC CORPORATIONInventors: Ruvin Deych, Daniel Abenaim
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Patent number: 10058916Abstract: An aluminum alloy powder metal is disclosed. A sintered part made from the aluminum alloy powder has a thermal conductivity comparable to or exceeding parts made from wrought aluminum materials.Type: GrantFiled: June 13, 2013Date of Patent: August 28, 2018Assignee: GKN Sinter Metals, LLCInventors: Donald Paul Bishop, Richard L. Hexemer, Jr., Ian W. Donaldson
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Patent number: 10053751Abstract: The invention provides a Cu—Ni—Sn—P alloy sheet satisfying the resistance property of stress relaxation in the direction perpendicular to the rolling direction and excellent in the other necessary properties as terminals and connectors.Type: GrantFiled: January 22, 2009Date of Patent: August 21, 2018Assignee: Kobe Steel, Ltd.Inventor: Yasuhiro Aruga
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Patent number: 10036086Abstract: A non-heat treated steel according to the present invention includes, as steel composition, by mass %, 0.20 to 0.60% of C, 0.50 to 2.0% of Si, 0.20 to 2.0% of Mn, 0.010 to 0.15% of P, 0.010 to 0.15% of S, 0.10 to 0.50% of V. 0.002 to 0.02% of N, and a balance consisting of Fe and impurities, in which, when a ratio of a maximum value of a V content in the steel to an average value of the V content in the steel in a cross section of the steel is defined as a segregation ratio of V, the segregation ratio of V is 1.0 or more and less than 3.0.Type: GrantFiled: April 30, 2013Date of Patent: July 31, 2018Assignee: NIPPON STEEL & SUMITOMO METAL CORPORATIONInventors: Shinya Teramoto, Manabu Kubota
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Patent number: 10022796Abstract: A method of making a magnetic material includes a step of providing a first material in the form of a core powder containing Nd, Fe and B. The first material is combined with the second material to form a powder combination. The second material includes a component selected from the group consisting of Dy, Tb, and combinations thereof. The powder combination is encapsulated to form an encapsulated powder combination. A magnetic field is applied to the powder combination during encapsulation and thereafter to align the magnetic dipoles therein. The encapsulated powder combination is isostatically pressed with heat to form the magnetic material.Type: GrantFiled: August 28, 2014Date of Patent: July 17, 2018Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventor: Yucong Wang
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Patent number: 10023924Abstract: A method for method for solution hardening of a cold deformed workpiece of a passive alloy containing at least 10% chromium, which method includes dissolving at least nitrogen in the workpiece at a temperature T1, which is higher than the solubility temperature for carbide and/or nitride and lower than the melting point of the passive alloy, wherein dissolution of nitrogen at temperature T1 is performed to obtain a diffusion depth in the range of 50 ?m to 5 mm, and cooling the workpiece after the dissolution step at temperature T1 to a temperature which is lower than the temperature at which carbides and/or nitrides form in the passive alloy, wherein the cooling step takes place in an inert gas not containing nitrogen. Further, a member, such as a lock washer for securing bolts or nuts prepared using the method.Type: GrantFiled: April 25, 2013Date of Patent: July 17, 2018Assignee: EXPANITE TECHNOLOGY A/SInventors: Thomas Lundin Christiansen, Thomas Strabo Hummelshoj, Marcel A. J. Somers
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Patent number: 10020113Abstract: The present invention provides a method for producing a long and large-sized rare earth sintered magnet having a large size in a magnetic field application direction in which a single magnet body in each portion has uniform and high magnetic characteristics. Disclosed is a method for producing a rare earth sintered magnet, including particular steps of: 1) preparing a slurry; 2) preparing a cavity that is enclosed with a mold, an upper punch and a lower punch; 3) applying a magnetic field of 1.5 T or more in the cavity, and supplying the slurry at a flow rate of 20 to 600 cm3/second, to fill the cavity with the slurry; 4) producing a molded body of the alloy powder by press molding in the magnetic field; and 5) sintering the molded body.Type: GrantFiled: June 25, 2013Date of Patent: July 10, 2018Assignee: HITACHI METALS, LTD.Inventors: Takashi Tsukada, Takuya Nansaka, Satoru Kikuchi
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Patent number: 10016802Abstract: A bent product having a three-dimensionally bent portion intermittently or continuously in the lengthwise direction is manufactured by supporting a steel pipe at a first position A while feeding it in the lengthwise direction, locally heating the steel pipe being fed at a second position B, cooling the heated portion of the steel pipe at a third position C, and varying the position of a gripping means, which grips the steel pipe in a region ID downstream of the third position C, in a three-dimensional direction including the feed direction of the steel pipe in a workspace including a space on the upstream side of the third position C in the feed direction of the steel pipe to impart a bending moment to the heated portion of the steel pipe.Type: GrantFiled: October 13, 2017Date of Patent: July 10, 2018Assignees: NIPPON STEEL & SUMITOMO METAL CORPORATION, NIPPON STEEL & SUMIKIN PIPE CO., LTD.Inventors: Atsushi Tomizawa, Naoaki Shimada, Saburo Inoue, Shinjiro Kuwayama
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Patent number: 10018420Abstract: The present invention provides a heat treatment jig. A metal wire as a heat treatment target is to be wound around the jig. The jig comprises a cylindrical tubular body whose outer wall surface has a helical groove formed along a circumferential direction to wind the metal wire. A depth of the groove is larger than a length at which the metal wire will isolate from the groove when the metal wire wound along the groove at room temperature is thermally expanded by being heated to a predetermined heat treatment temperature.Type: GrantFiled: November 27, 2017Date of Patent: July 10, 2018Assignee: CANON DENSHI KABUSHIKI KAISHAInventor: Koji Sasaki
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Patent number: 10010979Abstract: A solder paste for soldering micro components which suppress electro-migration is provided. The solder paste comprising: a powdered Pb-free soldering alloy comprising Cu of 0.1˜3.0 wt. % and In of 0.5˜8.0 wt. % simultaneously in addition to Sn; and a pasty or liquid flux; the powdered Pb-free soldering alloy and the pasty or liquid flux being mixed; whereby effectively suppressing electro-migration occurring at a solder bonding portion. It is possible to add Ag, Sb, Ni, Co, Fe, Mn and Cr as a strength improvement element, Bi and Zn as a melting point drop element and P, Ga and Ge as an anti-oxidant element to the powdered Pb-free soldering alloy.Type: GrantFiled: May 30, 2013Date of Patent: July 3, 2018Assignee: Nihon Almit Co., Ltd.Inventors: Tadashi Sawamura, Takeo Igarashi, Yukio Maeda, Kazuhiko Kaneko
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Patent number: 10000823Abstract: The invention relates to a method for producing partially-hardened components from steel sheets, in which a component that is cold-formed from a hardenable steel sheet material is heated, in a furnace, to a temperature below the austenitization temperature (<AC3), and a radiating element acts upon the component in sections where said component is to be austenitized (<AC3), this radiating element having a component-side contour that corresponds to the contour of the component in the section to be austenitized. The invention also relates to a device for carrying out said method.Type: GrantFiled: October 23, 2012Date of Patent: June 19, 2018Assignee: voestalpine Metal Forming GmbHInventors: Dieter Hartmann, Roland Ziegler, Tobias Hägele
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Patent number: 9981350Abstract: The present disclosure provides a welding flux used for austenitic stainless steel, which includes 20-40 wt. % SiC, 20-30 wt. % SiO2, 15-25 wt. % MoO3, 2-15 wt. % TiO2, 2-10 wt. % NiO, and 1-5 wt. % MgO. As such, the welding flux forms a soundness weld with high D/W ratio and surface hardness.Type: GrantFiled: March 4, 2016Date of Patent: May 29, 2018Assignee: NATIONAL PINGTUNG UNIVERSITY OF SCIENCE & TECHNOLOGYInventor: Kuang-Hung Tseng
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Patent number: 9981313Abstract: A method including encapsulating or capping metallic nanoparticles by a dendrimer or a polymer with binding sites for metal particless or metal ions dispersed in a fluid; modifying the fluid to disrupt the interaction of the dendrimer or polymer with the particles; and subsequently or concomitantly sintering or partially consolidating the zero valent metal. A method including introducing a first metal salt and a second metal salt into a dendrimer or a polymer with binding sites for metals or metal ions; reducing a metal ion of the first metal salt to a zero valent first metal and a metal ion of the second metal salt to a zero valend second metal; disrupting an interaction between the dendrimer or the polymer and the first metal and the second metal; and sintering or partially consolidating the first metal and the second metal.Type: GrantFiled: June 14, 2013Date of Patent: May 29, 2018Assignee: National Technology & Engineering Solutions of Sandia, LLCInventors: Patrick J. Cappillino, David B. Robinson
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Patent number: 9970081Abstract: Provided is a copper alloy containing 18% by mass to 30% by mass of Zn, 1% by mass to 1.5% by mass of Ni, 0.2% by mass to 1% by mass of Sn, and 0.003% by mass to 0.06% by mass of P, the remainder including Cu and unavoidable impurities. Relationships of 17?f1=[Zn]+5×[Sn]?2×[Ni]?30, 14?f2=[Zn]?0.5×[Sn]?3×[Ni]?26, 8?f3={f1×(32?f1)}1/2×[Ni]?23, 1.3?[Ni]+[Sn]?2.4, 1.5?[Ni]/[Sn]?5.5, and 20?[Ni]/[P]?400 are satisfied. The copper alloy has a metallographic structure of an ? single phase.Type: GrantFiled: September 26, 2014Date of Patent: May 15, 2018Assignee: MITSUBISHI SHINDOH CO., LTD.Inventors: Keiichiro Oishi, Yosuke Nakasato, Takashi Hokazono
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Patent number: 9973062Abstract: A method of in situ formation of an aluminum carbon nanotube composite material and an induction motor component produced with such composite. The method includes forming an aluminum-based matrix by mixing a catalyst precursor with an aluminum powder such that a colloidal compound is formed that is subsequently sintered to leave a catalytically-active material formed on the surface of the aluminum powder. A carbon-containing gas is introduced to the composite catalyst that includes aluminum and the catalytic metal so that carbon nanotube reinforcements are grown on the aluminum-based matrix with the assistance of the catalytically-active metal. Additional mechanical processing steps may also include pressurizing, sintering and cold-rolling the aluminum carbon nanotube composite material.Type: GrantFiled: June 30, 2014Date of Patent: May 15, 2018Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Qigui Wang, Xinkuan Liu
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Patent number: 9970073Abstract: A multi-phase hot-rolled steel sheet has a metallurgical structure having a main phase of ferrite with an average grain diameter of at most 3.0 ?m and a second phase including at least one of martensite, bainite, and austenite. In the surface layer, the average grain diameter of the second phase is at most 2.0 ?m, the difference (?nHav) between the average nanohardness of the main phase (nH?av) and the average nanohardness of the second phase (nH2nd av) is 6.0-10.0 GPa, the difference (??nH) of the standard deviation of the nanohardness of the second phase from the standard deviation of the nanohardness of the main phase is at most 1.5 GPa, and in the central portion, the difference (?nHav) between the average nanohardnesses is at least 3.5 GPa to at most 6.0 GPa and the difference (??nH) between the standard deviations of the nanohardnesses is at least 1.5 GPa.Type: GrantFiled: October 18, 2010Date of Patent: May 15, 2018Assignee: NIPPON STEEL & SUMITOMO METAL CORPORATIONInventors: Kaori Kawano, Yasuaki Tanaka, Toshiro Tomida
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Patent number: 9970318Abstract: A method of manufacturing a shroud segment, including separately molding at least first and second parts by powder injection molding. The first part has an inner surface and at least one fluid passage in communication with the inner surface. The second part has an outer surface complementary to the inner surface of the first part. At least one of the inner and outer surfaces is formed to define a plurality of grooves. A plurality of cooling passages in fluid communication with the at least one fluid passage are defined with the plurality of grooves by interconnecting the inner and outer surfaces while the first and second parts remain in a green state. The interconnected parts are debound and sintered to fuse the parts to define at least a portion of the shroud segment including the cooling passages.Type: GrantFiled: June 25, 2014Date of Patent: May 15, 2018Assignee: PRATT & WHITNEY CANADA CORP.Inventors: Orlando Scalzo, Marc Campomanes, Eric Hosking, Alain Bouthillier
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Patent number: 9970090Abstract: An aluminum alloy includes, in weight percent, 0.70-0.85 Si, 0.14-0.25 Fe, 0.25-0.35 Cu, 0.05 max Mn, 0.75-0.90 Mg, 0.12-0.18 Cr, 0.05 max Zn, and 0.04 max Ti, the balance being aluminum and unavoidable impurities. The alloy may be suitable for extruding, and may be formed into an extruded alloy product.Type: GrantFiled: December 19, 2016Date of Patent: May 15, 2018Assignee: Rio Tinto Alcan International LimitedInventors: Nick C. Parson, Raynald Guay, Alexandre Maltais
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Patent number: 9972760Abstract: A method of manufacturing a thermoelectric material comprising: ball-milling a compound comprising a plurality of components, the first component M comprising at least one of a rare earth metal, an actinide, an alkaline-earth metal, and an alkali metal, the second component T comprising a metal of subgroup VIII, and the third component X comprises a pnictogen atom. The compound may be ball-milled for up to 5 hours, and then thermo-mechanically processed by, for example, hot pressing the compound for less than two hours. Subsequent to the thermo-mechanical processing, the compound comprises a single filled skutterudite phase with a dimensionless figure of merit (ZT) above 1.0 and the compound has a composition following a formula of MT4X12.Type: GrantFiled: June 19, 2014Date of Patent: May 15, 2018Assignees: UNIVERSITY OF HOUSTON SYSTEM, MASSACHUSETTS INSTITUTE OF TECHNOLOGYInventors: Qing Jie, Zhifeng Ren, Gang Chen