Patents Examined by Daniel J Schleis
  • Patent number: 11504763
    Abstract: An aluminum alloy wheel for a vehicle is provided, which includes: a wheel central portion, a rim portion, and a plurality of radial elements, wherein the aluminum alloy wheel is processed by centrifugal casting and forging to form a central portion with a morphology exhibiting a grain size variation with decreasing gradient in a lateral direction from an inner side of the wheel central portion to an outer side thereof.
    Type: Grant
    Filed: December 29, 2020
    Date of Patent: November 22, 2022
    Assignee: Industrial Technology Research Institute
    Inventors: Yu-Hsien Chou, Chi-San Chen, Chih-Chao Yang, Chang-Ching Chen
  • Patent number: 11498466
    Abstract: A joined body includes: a thin plate including through holes; first members each including: a base portion and a protruding portion inserted into one of the through holes; and a second member placed oppositely to the base portion via the thin plate and made of a material that is of a same kind as a material of the first members. The thin plate is made of a material having a specific gravity smaller than the materials of the first and the second members. The second member and an end portion of the protruding portion are connected together by melt-solidification. A post-joining hardness difference in a range of 30% along a direction orthogonal to a joint interface between the second member and the protruding portion, the range being centered on the joint interface, is equal to or less than 90% of a pre-joining hardness difference.
    Type: Grant
    Filed: November 15, 2018
    Date of Patent: November 15, 2022
    Assignee: NHK Spring Co., Ltd.
    Inventors: Yuichiro Yamauchi, Yu Yoda, Takuya Sato, Katsuji Goto, Masakazu Ando, Ayane Sato
  • Patent number: 11491585
    Abstract: An aluminum alloy brazing sheet has a 3XXX, 1XXX or 6XXX core, an interliner and a 4XXX brazing layer without added Mg. The interliner has Bi and Mg, the magnesium migrating to the surface of the brazing sheet during brazing and reducing the aluminum oxide to facilitate brazing without flux in a controlled inert atmosphere with reduced oxygen.
    Type: Grant
    Filed: January 24, 2018
    Date of Patent: November 8, 2022
    Assignee: ARCONIC TECHNOLOGIES LLC
    Inventors: Stephen F. Baumann, Michael P. Danz, Ning Sun
  • Patent number: 11492298
    Abstract: Methods for forming a coated component, along with the resulting coated components, are provided. The method may include forming a silicon-based bond coating on a surface of a substrate and forming a barrier coating on the silicon-based bond coating. The silicon-based bond coating comprises columnar grains of crystalline silicon. Chemical vapor depositing (CVD) may be used to form the silicon-based bond coating through CVD of a silicon-containing precursor at a deposition temperature and deposition pressure that causes crystallization of the silicon material during the deposition of the silicon-based bond coating. The silicon-containing precursor may be silane, monochlorosilane, dichlorosilane, and/or trichlorosilane.
    Type: Grant
    Filed: July 31, 2018
    Date of Patent: November 8, 2022
    Assignee: General Electric Company
    Inventors: Glen Harold Kirby, Justin Michael Nagy, John Tam Nguyen, Jeffery Allen Bross, Brian Harvey Pilsner, Robert Martin Fecke
  • Patent number: 11491586
    Abstract: An aluminum alloy brazing sheet used for brazing of an aluminum material in an inert gas atmosphere or in vacuum is formed of a two-layer material in which a brazing material and a core material are stacked in this order. The core material is formed of an aluminum alloy and has a grain size of 20 to 300 ?m, and the aluminum alloy contains Mn of 0.50 to 2.00 mass %, Mg of 0.40 to 2.00 mass %, Si of 1.50 mass % or less, and Fe of 1.00 mass % or less, with the balance being aluminum and inevitable impurities. The brazing material is formed of an aluminum alloy containing Si of 4.00 to 13.00 mass % with the balance being aluminum and inevitable impurities, and, in a drop-type fluidity test, a ratio ? (?=Ka/Kb) of a fluid coefficient Ka is 0.50 or more.
    Type: Grant
    Filed: October 25, 2019
    Date of Patent: November 8, 2022
    Assignee: UACJ CORPORATION
    Inventors: Tomoki Yamayoshi, Hidetoshi Kumagai, Hirokazu Tanaka
  • Patent number: 11491587
    Abstract: An aluminum alloy brazing sheet used for brazing of an aluminum material in an inert gas atmosphere or in vacuum is formed of a two-layer material in which a brazing material and a core material are stacked. The core material is formed of an aluminum alloy and has a grain size of 20 to 300 ?m, and the aluminum alloy contains Mn of 0.50 to 2.00 mass %, Mg of 0.40 to 2.00 mass %. Si of 1.50 mass % or less, Fe of 1.00 mass % or less, and Ti of 0.10 to 0.30 mass %, with the balance being aluminum and inevitable impurities. The brazing material is formed of an aluminum alloy containing Si of 4.00 to 13.00 mass % with the balance being aluminum and inevitable impurities. In a drop-type fluidity test, a ratio ? (?=Ka/Kb) of a fluid coefficient Ka is 0.50 or more.
    Type: Grant
    Filed: October 25, 2019
    Date of Patent: November 8, 2022
    Assignee: UACJ CORPORATION
    Inventors: Tomoki Yamayoshi, Hidetoshi Kumagai, Hirokazu Tanaka, Taketoshi Toyama, Naoki Sugimoto, Nobuhiro Honma, Shogo Yamada
  • Patent number: 11486018
    Abstract: A steel sheet for a two-piece can, the steel sheet includes: by mass %, C: 0.010% or more and less than 0.030%; Si: 0.04% or less; Mn: 0.10% or more and less than 0.40%; P: 0.02% or less; S: 0.020% or less; Al: more than 0.030% and 0.100% or less; N: 0.0005% or more and less than 0.0030%; B: 0.0005% to 0.0030%; and balance Fe and inevitable impurities, wherein an amount of N that is present as BN and a whole amount of N satisfy the following expression (1): [N as BN]/[N]>0.5 ??(1), where N as BN represents the amount of N that is present as BN, and N represents the whole amount of N, a yield point is 280 MPa or more and less than 420 MPa, yield elongation is 3% or less, and ?r is ?0.30 to 0.20.
    Type: Grant
    Filed: March 12, 2018
    Date of Patent: November 1, 2022
    Assignee: JFE STEEL CORPORATION
    Inventors: Hayato Saito, Nobusuke Kariya, Junichi Kitagawa, Katsumi Kojima
  • Patent number: 11484927
    Abstract: Provided is a clad welded pipe or tube that has improved pipe or tube mechanical properties by reducing the width of a weld without its function as a clad pipe or tube being impaired. A clad welded pipe or tube comprises: a first layer made of base metal; and a second layer placed on one surface of the first layer, and made of first cladding metal that is a material different from the base metal, wherein a pipe or tube circumferential length L1 of weld metal at a pipe or tube inner surface and a pipe or tube circumferential length L2 of the weld metal at a pipe or tube outer surface in a weld are each 0.0010 mm or more and 1.0 mm or less, and the base metal is not exposed at a first cladding metal-side surface of the clad welded pipe or tube in the weld.
    Type: Grant
    Filed: August 31, 2017
    Date of Patent: November 1, 2022
    Assignee: JFE STEEL CORPORATION
    Inventors: Takatoshi Okabe, Atsushi Matsumoto, Shinsuke Ide, Akihide Matsumoto
  • Patent number: 11486032
    Abstract: A high-temperature component of a refractory metal or a refractory metal alloy has an emissivity-increasing coating. The coating is formed of tantalum nitride and/or zirconium nitride; and tungsten with a tungsten content between 0 and 98 wt. %.
    Type: Grant
    Filed: November 12, 2019
    Date of Patent: November 1, 2022
    Assignee: Plansee SE
    Inventors: Bernhard Mayr-Schmoelzer, Ingmar Wesemann
  • Patent number: 11466368
    Abstract: A sheet material includes a resin layer containing a binder and polypyrrole particles, an electroless plating film provided on the side of one main surface of the resin layer and including first electroless plating films and a second electroless plating film, and a transparent base material provided on the side of the other main surface of the resin layer.
    Type: Grant
    Filed: July 26, 2018
    Date of Patent: October 11, 2022
    Assignee: TDK CORPORATION
    Inventors: Makoto Orikasa, Yuhei Horikawa, Yoshihiro Kanbayashi, Hisayuki Abe, Hiroki Ashizawa, Miho Mori, Misaki Tamura
  • Patent number: 11466728
    Abstract: A bearing including a backing formed of a steel material, a lining formed of aluminum or an aluminum alloy, and a diffusion barrier layer disposed between the backing and the lining is provided. The diffusion barrier layer is formed of nickel or a nickel alloy and has a thickness ranging from 1 micron to 100 microns. The bearing is typically formed by cladding the lining or plating the steel backing with the diffusion barrier layer, bonding the lining and the backing with the diffusion barrier layer between, heating to a temperature of at least 400° C., and forming the bearing into a shape after or before the heating step.
    Type: Grant
    Filed: March 21, 2018
    Date of Patent: October 11, 2022
    Assignee: Tenneco Inc.
    Inventor: David M. Saxton
  • Patent number: 11459276
    Abstract: The present invention provides an alumina-based thermally conductive oxide that is excellent not only in thermal conductivity but also in chemical resistance, water resistance, and electrical insulation, that has a good kneadability (miscibility) into resins, and that enables to produce a material or an article, such as a resin composition, which is excellent in shapability. The present invention is an alumina-based thermally conductive oxide obtained by firing a starting material mixture containing an aluminum starting material.
    Type: Grant
    Filed: September 6, 2016
    Date of Patent: October 4, 2022
    Assignee: Dainichiseika Color & Chemicals Mfg. Co., Ltd.
    Inventors: Akira Nishio, Kenichi Yamane, Naotsugu Yamamura, Shingo Tominaga, Hiroya Oniduka
  • Patent number: 11459660
    Abstract: Articles containing metal, hard metal, cermet or ceramic and coated with a hard material, and a method for producing same. The hard material layers can be used as anti-wear layers for cutting tools, as protective layers for turbine blades, or as diffusion barriers in microelectronics. The hard material layers exhibit a high hardness, high oxidation resistance, and excellent wear resistance. The articles are coated with a single- or multi-layer layer system by a thermal CVD method without plasma excitation, where the single- or multi-layer layer system includes at least one nanocomposite layer with a first nanocrystalline phase of cubic titanium oxycarbonitride and a second, amorphous phase of silicon oxycarbonitride or silicon oxycarbide.
    Type: Grant
    Filed: February 2, 2018
    Date of Patent: October 4, 2022
    Assignee: FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V.
    Inventors: Ingolf Endler, Mandy Hoehn
  • Patent number: 11453923
    Abstract: A flat steel product which, following a 5% biaxial deformation, exhibits, on one surface, a Wsa(1-5) value of <0.35 ?m, a planar anisotropy ?r of ?0.5 to +0.5 and, from the surface to a depth of <200 ?m, and a nanohardness of >0.1 to <3.0 GPa. Also, a method of making the product where a slab including (in wt. %) 0.0003-0.050% C, 0.0001-0.20% Si, 0.01-1.5% Mn, 0.001-0.10% P, 0.0005-0.030% S, 0.001-0.12% AI, and 0.0001-0.01% N, the remainder Fe and impurities is heated to 1200-1270° C., rough-rolled with a reduction of 80-90%, and finish-hot-rolled at 850-950° C. with a reduction of 85-95%, for a total deformation of 95-99.5%. The reduction in the last hot roll pass is 1-25%, and the product is cooled at 4-30 K/s to a coiling temperature of 620-780° C. Following pickling, the product is cold-rolled with a total degree of deformation of 70-90% and recrystallization annealed at 650-900° C.
    Type: Grant
    Filed: September 13, 2017
    Date of Patent: September 27, 2022
    Assignees: ThyssenKrupp Steel Europe AG, thyssenkrupp AG
    Inventors: Frank Friedel, Friedhelm Macherey, Lena Sattler, Robert Yanik
  • Patent number: 11453926
    Abstract: A steel sheet having excellent fatigue resistance as a material for automobile parts and a TS of 590 MPa or more, and a method for producing the same. The steel sheet having a specified chemical composition and a microstructure of 50% or more and 90% or less of martensite, 10% to 50% of ferrite and bainite in total, in terms of an area ratio, and an average concentration of solute Mn in ferrite in a region from a surface of a base steel to a depth of 0.5 ?m is 60% or more relative to an average concentration of solute Mn in ferrite at a location of ¼ in the thickness of the steel sheet.
    Type: Grant
    Filed: January 16, 2017
    Date of Patent: September 27, 2022
    Assignee: JFE STEEL CORPORATION
    Inventors: Tatsuya Nakagaito, Yoshimasa Funakawa, Yoshihiko Ono, Hiroshi Hasegawa
  • Patent number: 11456461
    Abstract: A clad material for a battery current collector includes a pinhole due to falling off of an intermetallic compound containing Al and Ni or an intermetallic compound containing Al and Fe from an outer surface of a first layer. A clad material for a battery current collector includes a clad material obtained by bonding a first layer made of Al or an Al alloy and a second layer made of any one of Ni, a Ni alloy, Fe, and a Fe alloy by rolling. The clad material has a thickness of 50 ?m or less. In the clad material, an intermetallic compound layer constituted by an intermetallic compound containing Al and Ni or an intermetallic compound containing Al and Fe, the intermetallic compound layer having a thickness of 0.1 ?m or more and 1 ?m or less, is formed between the first layer and the second layer.
    Type: Grant
    Filed: November 20, 2018
    Date of Patent: September 27, 2022
    Assignee: HITACHI METALS, LTD.
    Inventor: Yoshimitsu Oda
  • Patent number: 11441205
    Abstract: Provided is a cold-rolled steel plate for hot forming, which is excellent in corrosion-resistance and spot-weldability, contains, by weight %, C: 0.1-0.4%, Si: 0.5-2.0%, Mn: 0.01-4.0%, Al: 0.001-0.4%, P: 0.001-0.05%, S: 0.0001-0.02%, Cr: 0.5% to less than 3.0%, N: 0.001-0.02%, and a balance of Fe and inevitable impurities, satisfying formula (1) below, and includes an Si amorphous oxidation layer continuously or discontinuously formed at a thickness of 1 nm-100 nm on the surface thereof. Formula (1): 1.4?0.4*Cr+Si?3.2 (wherein element symbols denote measurements of respective element contents by weight %).
    Type: Grant
    Filed: September 26, 2017
    Date of Patent: September 13, 2022
    Assignee: POSCO
    Inventors: Jin-Keun Oh, Yeol-Rae Cho, A-Ra Cho, Jin-Ho Cha, Si-Myoung Heo, Jeong-Won Seo, Seong-Woo Kim
  • Patent number: 11434620
    Abstract: An integrally cast hinge assembly for a bucket, including a first hinge plate, a second hinge plate spaced apart from the first hinge plate, and a torque tube portion extending between the first hinge plate and the second hinge plate, wherein the first hinge plate is weldlessly connected to the torque tube portion and the second hinge plate is weldlessly connected to the torque tube portion.
    Type: Grant
    Filed: September 4, 2019
    Date of Patent: September 6, 2022
    Assignee: Caterpillar Inc.
    Inventors: Giedre Simanskaite, Weiping Hu, Joseph Cai
  • Patent number: 11434546
    Abstract: Some variations provide a metal matrix nanocomposite composition comprising metal-containing microparticles and nanoparticles, wherein the nanoparticles are chemically and/or physically disposed on surfaces of the microparticles, and wherein the nanoparticles are consolidated in a three-dimensional architecture throughout the composition. The composition may serve as an ingot for producing a metal matrix nanocomposite. Other variations provide a functionally graded metal matrix nanocomposite comprising a metal-matrix phase and a reinforcement phase containing nanoparticles, wherein the nanocomposite contains a gradient in concentration of the nanoparticles. This nanocomposite may be or be converted into a master alloy. Other variations provide methods of making a metal matrix nanocomposite, methods of making a functionally graded metal matrix nanocomposite, and methods of making a master alloy metal matrix nanocomposite. The metal matrix nanocomposite may have a cast microstructure.
    Type: Grant
    Filed: November 5, 2020
    Date of Patent: September 6, 2022
    Assignee: HRL Laboratories, LLC
    Inventors: Brennan D. Yahata, John H. Martin
  • Patent number: 11423937
    Abstract: There are provided: an aluminum alloy substrate for a magnetic disk, the aluminum alloy substrate including an aluminum alloy including 0.4 to 3.0 mass % (hereinafter, “%”) of Fe, less than 0.10% of Si, less than 0.10% of Mg, and the balance of Al and unavoidable impurities, in which an Al—Fe-based intermetallic compound having a longest diameter of 2 ?m or more and less than 3 ?m is dispersed at a distribution density of 1000 particles/mm2 or more, and a Mg—Si-based intermetallic compound having a longest diameter of 1 ?m or more is dispersed at a distribution density of 1 particle/mm2 or less; a method for producing the same; and a magnetic disk in which an electroless Ni—P plating treatment layer and a magnetic layer thereon are disposed on a surface of the aluminum alloy substrate for a magnetic disk.
    Type: Grant
    Filed: May 15, 2018
    Date of Patent: August 23, 2022
    Assignees: UACJ CORPORATION, FURUKAWA ELECTRIC CO., LTD.
    Inventors: Kotaro Kitawaki, Hideyuki Hatakeyama, Takashi Nakayama, Yasuo Fujii, Wataru Kumagai