Patents Examined by Mary I Omori
  • Patent number: 11433382
    Abstract: The honeycomb filter of the present invention includes a honeycomb fired body that includes multiple cells serving as channels of exhaust gas; and porous cell partition walls defining the cells, the cells including exhaust gas introduction cells whose ends on an exhaust gas inlet side are open and whose ends on an exhaust gas outlet side are plugged, and exhaust gas emission cells whose ends on the exhaust gas outlet side are open and whose ends on the exhaust gas inlet side are plugged, wherein the honeycomb fired body contains ceria-zirconia composite oxide particles and alumina particles, when the pore size of the cell partition walls of the honeycomb fired body is measured by mercury porosimetry, and the measurement results are presented as a pore size distribution curve with pore size (?m) on the horizontal axis and log differential pore volume (mL/g) on the vertical axis, the volume of micropores having a pore size of 1 to 100 ?m accounts for 80 vol % or more of the total pore volume, and a value obtain
    Type: Grant
    Filed: September 2, 2020
    Date of Patent: September 6, 2022
    Assignee: IBIDEN CO., LTD.
    Inventors: Toyohiro Usui, Tatsuhiro Higuchi
  • Patent number: 11426716
    Abstract: A plugged honeycomb segment includes a honeycomb segment having a quadrangular prism shape which includes porous partition walls arranged to surround a plurality of cells and an outermost circumferential wall, and a plugging portion, wherein a porosity of the partition walls is 30 to 70%, in a cross section orthogonal to the cell extending direction, an inflow cell surrounded by the partition walls is a hexagon, and an outflow cell is a square, one outflow cell is surrounded by four inflow cells, the cell located at the outermost circumference includes a complete cell and an incomplete cell, and a thickness of the outermost circumferential wall in contact with the incomplete cell (T1), a thickness of the outermost circumferential wall in contact with the complete cell (T2), and a thickness of the partition walls (WT), satisfy 0.200 mm<T1<T2?(½×WT) and T2?0.700 mm.
    Type: Grant
    Filed: August 10, 2020
    Date of Patent: August 30, 2022
    Assignee: NGK Insulators, Ltd.
    Inventor: Yuji Sasaki
  • Patent number: 11420195
    Abstract: A honeycomb structure including a honeycomb portion having porous partition walls extending from an inflow end face to an outflow end face to define cells forming through channels, an outermost peripheral wall, and a pair of electrode portions disposed on a side surface of the honeycomb portion. The electrode portions are formed in a strip shape extending in a direction of the cells. In a cross section orthogonal to the extending direction, one electrode portion of the pair of electrode portions is disposed on a side opposed to the other electrode portion across a center of the honeycomb structure portion. The honeycomb structure portion includes end regions near the pair of electrode portions and a central region excluding the end regions. An average electric resistivity A of a material forming the end regions is lower than an average electric resistivity B of a material forming the central region.
    Type: Grant
    Filed: March 11, 2019
    Date of Patent: August 23, 2022
    Assignee: NGK Insulators, Ltd.
    Inventor: Naoya Takase
  • Patent number: 11413791
    Abstract: A three-dimensional modeled object made of metal including a gas flow path is provided. The gas flow path includes a first structure portion with a lattice structure including a plurality of linear vent holes with a maximum width of equal to or greater than 0.01 mm and equal to or less than 0.10 mm and a frame body portion with a width of equal to or greater than 0.08 mm and equal to or less than 0.25 mm and with a solidification density of equal to or greater than 90%, and has a thickness of equal to or greater than 1 mm and equal to or less than 10 mm.
    Type: Grant
    Filed: August 4, 2019
    Date of Patent: August 16, 2022
    Assignee: Sodick Co., Ltd.
    Inventors: Atsushi Hirota, Shuji Okazaki
  • Patent number: 11400441
    Abstract: A honeycomb filter includes a pillar-shaped honeycomb structure having porous partition walls provided, surrounding a plurality of cells which serve as fluid through channels extending from an inflow end face to an outflow end face, and porous plugging portions provided either at the ends on the inflow end face or the outflow end face of the cells, wherein the plugging portions are composed of a porous material, the honeycomb structure has a central region and a circumferential region, and a ratio of an area of the circumferential region with respect to that of the central region ranges from 0.1 to 0.5, a plugging length L1 in the cell extending direction of a central plugging portion in the central region is larger than a plugging length L2 of a circumferential plugging portion in the circumferential region, L1 ranges from 7 to 9 mm, and L2 from 3 to 6 mm.
    Type: Grant
    Filed: March 11, 2020
    Date of Patent: August 2, 2022
    Assignee: NGK Insulators, Ltd.
    Inventor: Fumihiko Yoshioka
  • Patent number: 11383190
    Abstract: A ceramic honeycomb filter comprising a cordierite-type ceramic honeycomb structure having large numbers of flow paths partitioned by porous cell walls, and plugs formed in end portions of predetermined flow paths of the ceramic honeycomb structure; the cell walls having a thermal expansion coefficient Tw (×10?7/° C.) of 10 or less in the flow path direction between 40° C. and 800° C.; the plugs comprising at least ceramic particles, and 5-25 parts by mass of an amorphous oxide matrix per 100 parts by mass of the ceramic particles; the ceramic particles comprising at least 42-90% by mass of amorphous silica particles, and 10-58% by mass of cordierite particles; and the amorphous silica particles comprising 4-30% by mass of first silica particles having a median particle diameter of 10-40 ?m, and 70-96% by mass of second silica particles having a median particle diameter of 70-200 ?m.
    Type: Grant
    Filed: March 29, 2019
    Date of Patent: July 12, 2022
    Assignee: HITACHI METALS, LTD.
    Inventor: Wataru Soga
  • Patent number: 11365158
    Abstract: A honeycomb structure has a plurality of cells formed by a plurality of partition walls. The partition walls are formed of a porous material composed predominantly of cordierite. Each partition wall includes surface layer portions having a porosity of 50% or more and an inside portion having a porosity of 50% or more, the surface layer portions being portions ranging respectively from opposite surfaces to a depth corresponding to 25% of the thickness of the partition wall, and the inside portion being the other portion. The surface layer portions and the inside portion both include pores having axial pore widths of less than 30 ?m and pores having axial pore widths of 30 ?m or more. A mean axial pore width in the surface layer portions is smaller than a mean axial pore width in the inside portion.
    Type: Grant
    Filed: March 18, 2020
    Date of Patent: June 21, 2022
    Assignee: NGK Insulators, Ltd.
    Inventors: Toru Hayase, Shinji Suzuki, Shinpei Oshima, Takahiro Tomita
  • Patent number: 11365542
    Abstract: A twin sheet core structure made up of two sheets of plastic that have been thermoformed to define arrays of cavities having floors opening to surfaces defined by orthogonally intersecting ribs wherein the sheets are fused together to form a single structure with hollow areas between sheets.
    Type: Grant
    Filed: January 10, 2019
    Date of Patent: June 21, 2022
    Assignee: Shuert Technology, LLC
    Inventor: Lyle H. Shuert
  • Patent number: 11359528
    Abstract: A honeycomb filter includes a pillar-shaped honeycomb structure body having a porous partition wall disposed to surround a plurality of cells and a plugging portion provided at an open end on a first end face side or a second end face side of each of the cells, wherein the partition wall is composed of a material containing cordierite as a main component thereof, a number per unit area of pores which exist at a surface of the partition wall and which have equivalent circle diameters exceeding 3.0 ?m is 1400 per mm2 or more, and, in a pore diameter distribution which indicates a cumulative pore volume of the partition wall, with a log pore diameter on a horizontal axis and a log differential pore volume (cm3/g) on a vertical axis, a half-value width of a first peak that includes a maximum value of the log differential pore volume is 0.30 or less.
    Type: Grant
    Filed: January 13, 2021
    Date of Patent: June 14, 2022
    Assignee: NGK Insulators, Ltd.
    Inventors: Koichi Sendo, Yu Torii, Shuji Ueda, Shungo Nagai
  • Patent number: 11352890
    Abstract: An article has a metallic substrate having a plurality of recesses. A first coating is at least at the recesses and has: a splatted layer; and a columnar layer atop the splatted layer. A second coating is away from the recesses and has: a columnar layer atop the substrate without an intervening splatted layer.
    Type: Grant
    Filed: June 12, 2017
    Date of Patent: June 7, 2022
    Assignee: Raytheon Technologies Corporation
    Inventors: Christopher W. Strock, Kevin W. Schlichting
  • Patent number: 11339099
    Abstract: A honeycomb structure including: a honeycomb structure body having porous partition walls which define a plurality of cells extending from an inflow end face to an outflow end face to form through channels for a fluid, and a first circumferential wall which is disposed in at least a part of a circumference of the partition walls, and a second circumferential wall disposed to surround an outer side of the honeycomb structure body, wherein the honeycomb structure body does not have an interface between the partition walls and the first circumferential wall, and in a face perpendicular to an extending direction of the cells, a maximum thickness of the first circumferential wall is from 0.1 to 0.3 mm.
    Type: Grant
    Filed: February 27, 2018
    Date of Patent: May 24, 2022
    Assignee: NGK Insulators, Ltd.
    Inventors: Nobuyuki Kashiwagi, Yasunori Yamazaki, Hideyuki Toyoshima, Hirotaka Yamamoto
  • Patent number: 11312661
    Abstract: A honeycomb structure including a honeycomb portion having porous partition walls extending from an inflow end face to an outflow end face, an outermost peripheral wall, and a pair of electrode layers on a side surface of the honeycomb portion. Each electrode layer extends in a direction of the cells. One electrode layer is disposed on a side opposite to the other electrode layer across a center of the honeycomb portion in a cross section orthogonal to the extending direction of the cells. The honeycomb structure portion includes first cells opened on the inflow side and plugged on the outflow side, and second cells opened on the outflow side and plugged on the inflow side. A middle of each length of the pair of electrode layers is closer to the outflow side than a middle position of a length of the honeycomb portion in the extending direction of the cells.
    Type: Grant
    Filed: March 11, 2019
    Date of Patent: April 26, 2022
    Assignee: NGK Insulators, Ltd.
    Inventors: Yoshiyuki Kasai, Yukinari Shibagaki
  • Patent number: 11306374
    Abstract: Provided is a high-strength aluminum alloy including 2.0 to 13.0% by weight of copper (Cu), 0.4 to 4.0% by weight of manganese (Mn), 0.4 to 2.0% by weight of iron (Fe), 6.0 to 10.0% by weight of silicon (Si), greater than 0.0% by weight and 7.0 or less % by weight of zinc (Zn), greater than 0.0% by weight and 2.0 or less % by weight of magnesium (Mg), greater than 0.0% by weight and 1.0 or less % by weight of chromium (Cr), greater than 0.0% by weight and 3.0 or less % by weight of nickel (Ni), greater than 0.0% by weight and 0.05 or less % by weight of production-induced impurities, and the balance of aluminum (Al).
    Type: Grant
    Filed: February 14, 2018
    Date of Patent: April 19, 2022
    Assignee: GAM CO., LTD.
    Inventors: Jin Yeol Choi, Byung-Cheol Lee
  • Patent number: 11298913
    Abstract: An impact-absorbing structure that includes a plurality of interconnected cells forming a sheet, each cell having a sidewall and a longitudinal axis. Each cell may be configured to absorb energy through plastic deformation in response to an applied load, and a sidewall of at least one cell may include a geometric perturbation that is oriented in a direction that is not parallel to the longitudinal axis of the cell. The geometric perturbation may reduce the load required to cause plastic deformation of the cell.
    Type: Grant
    Filed: May 13, 2016
    Date of Patent: April 12, 2022
    Assignee: WaveCel, LLC
    Inventors: Michael Bottlang, Jeffrey Bennett
  • Patent number: 11292225
    Abstract: A honeycomb core includes a honeycomb substrate comprised of a number of sheets. A number of traces are printed onto the sheets of the honeycomb substrate. A number of integrated electronic devices are disposed within the honeycomb substrate. The integrated electronic devices are electrically coupled to the traces.
    Type: Grant
    Filed: March 25, 2019
    Date of Patent: April 5, 2022
    Assignee: The Boeing Company
    Inventors: Jason Drexler, Xiaoxi Wang, John C. Wilde
  • Patent number: 11285468
    Abstract: A honeycomb structure includes a honeycomb structure body having porous partition walls, wherein a value of a porosity of the partition wall in a partitioning wall portion between the two cells is defined as a porosity A, a value of a porosity of the partition wall in an intersecting portion that is a region connecting two or more wall portions is defined as a porosity B, a value of A/B obtained by dividing the porosity A by the porosity B is from 0.5 to 0.95, and the porosity A is from 10 to 40%.
    Type: Grant
    Filed: November 5, 2018
    Date of Patent: March 29, 2022
    Assignee: NGK Insulators, Ltd.
    Inventors: Yasushi Kato, Takahiro Kondo, Junki Matsuya
  • Patent number: 11273404
    Abstract: A porous composite includes a porous base material and a porous collection layer formed on the base material. The collection layer has a thickness greater than or equal to 6 ?m. The collection layer has a plurality of large pores, each exposing the surface of the base material. A sum of areas of exposed regions of the base material that are each exposed from each large pore of the plurality of large pores is greater than or equal to 1% of the total area of the collection layer and less than or equal to 30% thereof. This allows the porous composite to achieve a favorable efficiency of collecting particulate matter and to increase the accessible area between the particulate matter and the collection layer and thereby accelerate oxidation of the particulate matter collected by the porous composite.
    Type: Grant
    Filed: November 9, 2020
    Date of Patent: March 15, 2022
    Assignee: NGK Insulators, Ltd.
    Inventors: Shogo Takeno, Kousuke Ujihara, Yunie Izumi
  • Patent number: 11261134
    Abstract: A honeycomb formed body containing a ceramics raw material, the honeycomb formed body including: a pillar shaped honeycomb structure portion having a plurality of rectangular cells, the cells being defined by partition walls and extending from a first end face to a second end face to form flow paths; an outer peripheral portion having outer peripheral portions X where the partition walls are covered with an outer peripheral wall; and outer peripheral portions Y where the partition walls are exposed. Each of the outer peripheral portions X includes a tapered portion having a gradually deceasing thickness of the outer peripheral wall toward a boundary portion with an adjacent outer peripheral portion Y. The tapered portion requires a length equal to or more than one time of an average cell pitch in the outer peripheral direction until thickness of the outer peripheral wall is halved.
    Type: Grant
    Filed: February 22, 2019
    Date of Patent: March 1, 2022
    Assignee: NGK Insulators, Ltd.
    Inventors: Daniel Yukichi Kitaguchi, Kouhei Kato, Shotaro Matsumoto
  • Patent number: 11260384
    Abstract: A honeycomb filter includes a pillar-shaped honeycomb structure having porous partition walls provided, surrounding a plurality of cells which serve as fluid through channels extending from an inflow end face to an outflow end face, and a porous plugging portion provided either at an end on the inflow end face or the outflow end face of the cells, wherein the plugging portion is composed of a porous material, the honeycomb structure has a central region and a circumferential region, and a ratio of an area of the circumferential region with respect to that of the central region ranges from 0.1 to 0.5, porosity of a central plugging portion in the central region is lower than that of a circumferential plugging portion in the circumferential region, and the porosity of the central plugging portions ranges from 60% to 68%, and that of the circumferential plugging portions ranges from 70% to 85%.
    Type: Grant
    Filed: March 11, 2020
    Date of Patent: March 1, 2022
    Assignee: NGK Insulators, Ltd.
    Inventor: Fumihiko Yoshioka
  • Patent number: 11260383
    Abstract: In a honeycomb structure, porous partition walls are arranged to surround cells extending from an inflow end face of the honeycomb structure body to an outflow end face thereof, intersection points at which the partition walls arranged in a latticed manner in the inflow end face intersect include a first intersection point that is one intersection point, and second intersection points one of which is the other intersection point in the partition wall including the first intersection point, and which are adjacent to the first intersection point, and the inflow end face has concave/convex portions each including the first intersection point as a bottom portion and the peripheral second intersection points of the first intersection point as top portions, or each including the first intersection point as a top portion and the peripheral second intersection points of the first intersection point as bottom portions.
    Type: Grant
    Filed: February 27, 2018
    Date of Patent: March 1, 2022
    Assignee: NGK Insulators, Ltd.
    Inventor: Kazuya Yuki