Patents Assigned to NGK Insulators
  • Patent number: 10300423
    Abstract: A sealed honeycomb structure may include porous walls dividedly forming inlet cells and outlet cells extending from an end surface of an inlet side to an end surface of an outlet side, an outlet side sealing portion, and an inlet side sealing portion, wherein at least one outlet cell is a reinforced cell, where a reinforced part for reinforcing the outlet cell is formed at at least one corner portion at which the walls on a cross-section vertical to an extending direction of the cell cross each other, and wherein the inlet cell is a non-reinforced cell where the reinforced part is not formed at all the corner portions at which the walls on the cross-section vertical to the extending direction of the cell cross each other.
    Type: Grant
    Filed: September 12, 2016
    Date of Patent: May 28, 2019
    Assignees: Hyundai Motor Company, Kia Motors Corporation, NGK Insulators, Ltd.
    Inventors: Tetsuo Toyoshima, Akira Takahashi, Yuichi Hamazaki, Jung Min Seo, Won Soon Park
  • Patent number: 10295602
    Abstract: A charge/discharge condition adoptable in a secondary battery of high-temperature operation type is calculated by a small amount of calculations. A resource matrix includes a plurality of state indicators and a plurality of charge/discharge conditions. The resource matrix is referred to and two or more state indicators related to an input state indicator so as to satisfy a condition are selected from the plurality of state indicators. A charge/discharge condition corresponding to each of the two or more selected state indicators are extracted from the plurality of charge/discharge conditions, so that two or more charge/discharge conditions are extracted. Interpolation is performed in the two or more selected state indicators and the two or more extracted charge/discharge conditions, so that a charge/discharge condition adoptable in a secondary battery in a case where a state of the secondary battery is indicated by the input state indicator, is calculated.
    Type: Grant
    Filed: July 14, 2017
    Date of Patent: May 21, 2019
    Assignee: NGK Insulators, Ltd.
    Inventors: Yusuke Kawamura, Hiroyuki Abe
  • Patent number: 10297869
    Abstract: Provided is a highly reliable nickel-zinc battery including a separator exhibiting hydroxide ion conductivity and water impermeability. The separator is disposed in a hermetic container to separate a positive-electrode chamber accommodating a positive electrode and a positive-electrode electrolyte from a negative-electrode chamber accommodating a negative electrode and a negative-electrode electrolyte. The positive-electrode chamber has an extra positive-electrode space having a volume that meets a variation in amount of water in association with reaction at the positive electrode during charge and discharge of the battery, and the negative-electrode chamber has an extra negative-electrode space having a volume meeting a variation in amount of water in association with reaction at the negative electrode during charge and discharge of the battery.
    Type: Grant
    Filed: December 21, 2016
    Date of Patent: May 21, 2019
    Assignee: NGK Insulators, Ltd.
    Inventors: Hiroshi Hayashi, Naohito Yamada, Kenshin Kitoh
  • Patent number: 10293581
    Abstract: A first bonding material composition according to the present invention is a bonding material composition used when aluminum nitride sintered bodies containing a rare-earth metal oxide are bonded to each other, in which the bonding material composition contains, in addition to an O element-containing aluminum nitride raw material, (a) as a fluorine compound, at least one of a fluorine compound of an alkaline-earth metal and a fluorine compound of a rare-earth metal, or (b) as a fluorine compound, at least one of a fluorine compound of an alkaline-earth metal and a fluorine compound of a rare-earth metal, and a rare-earth metal oxide.
    Type: Grant
    Filed: August 25, 2016
    Date of Patent: May 21, 2019
    Assignee: NGK Insulators, Ltd.
    Inventors: Masashi Goto, Noboru Nishimura, Yuji Katsuda
  • Patent number: 10290847
    Abstract: Provided is a separator structure for use in a zinc secondary battery. The separator structure includes a ceramic separator composed of an inorganic solid electrolyte and having hydroxide ion conductivity and water impermeability, and a peripheral member disposed along the periphery of the ceramic separator and composed of at least one of a resin frame and a resin film. The separator structure exhibits water impermeability as a whole. The separator structure of the present invention can reliably separate the positive electrode side from the negative electrode side in a zinc secondary battery, is readily sealed and bonded to a resin battery container, and exhibits significantly improved handleability during the assembly of the battery.
    Type: Grant
    Filed: November 22, 2016
    Date of Patent: May 14, 2019
    Assignee: NGK Insulators, Ltd.
    Inventors: Kenshin Kitoh, Naohito Yamada, Hiroshi Hayashi
  • Patent number: 10288581
    Abstract: Provided is a method for manufacturing a gas sensor capable of securing airtightness without a chip in a sensor element. The method includes a step of obtaining an assembled body constituting the gas sensor, including steps of: causing one end of the sensor element to abut to a positioning member for positioning the sensor element; applying a force F1 to the annularly-mounted members including a powder compact annularly mounted to the sensor element under a state that the sensor element is positioned and thereby compressing the powder compact so as to fix the sensor element inside of the tubular body, applying a force F2 larger than the force F1 to the annularly-mounted members under a state that the sensor element is not positioned and thereby further compressing the powder compact, so as to hermetically seal inside of the tubular body.
    Type: Grant
    Filed: March 21, 2017
    Date of Patent: May 14, 2019
    Assignee: NGK Insulators, Ltd.
    Inventors: Kenji Isaka, Nobukazu Ikoma
  • Patent number: 10287942
    Abstract: A honeycomb type heating device includes a pillar-shaped honeycomb substrate having a partition wall defining and forming a plurality of cells and a circumferential wall surrounding the partition wall; a plurality of heaters adjacent to each other arranged on a circumferential surface of a circumferential wall in the circumferential direction of the circumferential surface; a connecting body arranged in the circumferential direction of the circumferential surface and electrically connecting the plurality of heaters; and a metal case housing the honeycomb substrate, the plurality of heaters, and the connecting body. Each heater is a resistance-heating type heater, the cross-sectional area of the connecting body in a cross section perpendicular to the circumferential direction of the circumferential surface is 10.0 to 30.0 mm2, and the thermal expansion coefficient of the connecting body is higher than the thermal expansion coefficient of the honeycomb substrate by 3.0×10?6/° C. or more.
    Type: Grant
    Filed: July 21, 2017
    Date of Patent: May 14, 2019
    Assignee: NGK Insulators, Ltd.
    Inventors: Naoya Takase, Yoshiyuki Kasai
  • Patent number: 10292209
    Abstract: An electrostatic chuck heater 20 includes an electrostatic chuck 22, a sheet heater 30, and a support pedestal 60. The electrostatic chuck 22 is obtained by embedding an electrostatic electrode 24 in a ceramic sintered body 26. The sheet heater 30 is a resin sheet 32 having a plurality of correction heater electrodes 34 and a plurality of base heater electrodes 44. A first surface of the sheet heater 30 is resin-bonded to the electrostatic chuck 22, and a second surface of the sheet heater 30 is resin-bonded to the support pedestal 60 made of metal.
    Type: Grant
    Filed: June 9, 2017
    Date of Patent: May 14, 2019
    Assignee: NGK Insulators, Ltd.
    Inventor: Hiroshi Takebayashi
  • Patent number: 10279559
    Abstract: The method includes: a formed body forming step of forming each of a plurality of honeycomb-segment formed bodies by extrusion; an aggregate formation step of forming a honeycomb-segment aggregate by applying a fluid bonding material to side faces of the honeycomb-segment formed bodies, and arranging the honeycomb-segment formed bodies so that the side faces are brought into contact with each other; an aggregate shaping step of shaping the honeycomb-segment aggregate by performing a press treatment to the side faces of the honeycomb-segment aggregate; and a drying/firing step of drying and firing the honeycomb-segment aggregate, wherein the aggregate shaping step are performed while keeping the water amount of each of the honeycomb-segment formed bodies to be 30 mass % or more, each of the honeycomb segments has cell density that is 620 cells/cm2 or more, and the press treatment is performed with a contact pressure of 0.005 kg/cm2 or more.
    Type: Grant
    Filed: June 30, 2016
    Date of Patent: May 7, 2019
    Assignee: NGK Insulators, Ltd.
    Inventors: Yukio Miyairi, Shinichi Miwa
  • Patent number: 10279573
    Abstract: A manufacturing method of a honeycomb structure includes a forming step of forming a quadrangular pillar-shaped honeycomb formed body, a firing step of firing the honeycomb formed body and forming a quadrangular pillar-shaped honeycomb fired body, a coating step of coating at least a part of side surfaces of the honeycomb fired body with a paste-like bonding material, a honeycomb block body preparing step of bonding the plurality of honeycomb fired bodies while performing pressurizing, to prepare a honeycomb block body, and a circumference grinding step of grinding a circumferential surface of the honeycomb block body and obtaining the honeycomb structure, and in the honeycomb block body preparing step, the bonding is performed without interposing any member other than the bonding material between the honeycomb fired bodies, and the bonding material has a shear thinning property.
    Type: Grant
    Filed: October 19, 2016
    Date of Patent: May 7, 2019
    Assignee: NGK Insulators, Ltd.
    Inventors: Yutaka Ishii, Kazunari Akita, Yoshihiro Sato, Masayuki Nate
  • Patent number: 10280819
    Abstract: A honeycomb-type heating device includes a pillar-shaped honeycomb substrate that has partition walls defining a plurality of cells and that has a circumferential wall surrounding the partition walls; a plurality of heaters adjacently arranged on a circumferential face in a circumferential direction of the circumferential face that is an outer surface of the circumferential wall; a coated wire electrically connecting the plurality of heaters; and a metal case housing the honeycomb substrate and the plurality of heaters. Each of the plurality of heaters has an electrode for energization and is a resistance heating type heater that generates heat due to energization, the metal case has hole parts for protruding the electrodes of respective heaters to the outside of the metal case, and the coated wire electrically connects, outside the metal case, the electrodes of respective heaters protruding to the outside of the metal case from the hole parts.
    Type: Grant
    Filed: April 25, 2018
    Date of Patent: May 7, 2019
    Assignee: NGK Insulators, Ltd.
    Inventors: Naoya Takase, Yoshiyuki Kasai
  • Publication number: 20190131163
    Abstract: A wafer susceptor includes a conductive member attached to a surface of a plate, a through-hole penetrating through the plate and the conductive member, a screw hole formed in a conductive-member penetrating portion of the through-hole, a stopper surface formed in the conductive member, an insulation pipe screwed into the screw hole, and an insulating sealing member arranged between a plate-facing surface of the insulation pipe and the plate, wherein, with a contact surface of the insulation pipe coming into contact with the stopper surface of the conductive member, the insulation pipe is prevented from further advancing into the screw hole, a fore end surface of a sealing-member support portion of the insulation pipe is positioned at a predetermined position where the fore end surface does not contact the plate, and the sealing member is pressed between the plate-facing surface of the insulation pipe and the plate.
    Type: Application
    Filed: December 24, 2018
    Publication date: May 2, 2019
    Applicant: NGK Insulators,LTD.
    Inventors: Tatsuya KUNO, Reo WATANABE
  • Patent number: 10276896
    Abstract: Provided is a highly reliable nickel-zinc battery, which includes a separator exhibiting hydroxide ion conductivity and water impermeability. The separator is disposed in a hermetic container to separate a positive-electrode chamber from a negative-electrode chamber. The positive-electrode chamber has an extra positive-electrode space having a volume that meets part of a variation in amount of water in association with the positive electrode reaction, and the negative-electrode chamber has an extra negative-electrode space having a volume that meets part of a variation in amount of water in association with the negative electrode reaction.
    Type: Grant
    Filed: November 22, 2016
    Date of Patent: April 30, 2019
    Assignee: NGK Insulators, Ltd.
    Inventors: Hiroshi Hayashi, Naohito Yamada, Kenshin Kitoh
  • Patent number: 10265926
    Abstract: A honeycomb structure includes a honeycomb body having a partition wall defining a plurality of cells that extend from an inflow-end face as one end face to an outflow-end face as the other end face, the honeycomb body having a circumferential shape at a cross section orthogonal to an extending direction of the cells that is a rectangular shape with four corners being chamfered and having a long diameter and a short diameter, wherein the plurality of cells are hexagon cells having a hexagonal shape at the cross section orthogonal to the extending direction of the cells, and the hexagon cells are configured so that a longest diagonal line of each hexagon cell and the long diameter L of the honeycomb body form an angle that is 0 to 6°.
    Type: Grant
    Filed: February 17, 2016
    Date of Patent: April 23, 2019
    Assignee: NGK Insulators, Ltd.
    Inventors: Takahiro Kondo, Yasushi Kato
  • Patent number: 10265881
    Abstract: The manufacturing method of the honeycomb structure includes a mounting step of mounting an extruded honeycomb formed body on a firing setter disposed on a shelf plate, and a firing step of firing the honeycomb formed body mounted on the firing setter to form the honeycomb structure, and in the mounting step, the firing setter is used in which a value obtained by dividing an area of a formed body end face of the honeycomb formed body by an area of a honeycomb mounting surface of the firing setter which faces the formed body end face and at least a part of which comes in contact with the formed body end face is in a range of 2.5 to 20.0.
    Type: Grant
    Filed: February 16, 2017
    Date of Patent: April 23, 2019
    Assignee: NGK Insulators, Ltd.
    Inventors: Daniel Yukichi Kitaguchi, Toshihiro Fukui
  • Patent number: 10259188
    Abstract: A honeycomb structure includes a honeycomb body having a partition wall defining a plurality of cells that extend from an inflow-end face as one end face to an outflow-end face as the other end face, the honeycomb body having a circumferential shape at a cross section orthogonal to an extending direction of the cells that is a rectangular shape with four corners being chamfered and having a long diameter and a short diameter, wherein the plurality of cells are hexagon cells having a hexagonal shape at the cross section orthogonal to the extending direction of the cells, and the hexagon cells are configured so that a longest diagonal line of each hexagon cell and the short diameter S of the honeycomb body form an angle that is 0 to 6°.
    Type: Grant
    Filed: February 17, 2016
    Date of Patent: April 16, 2019
    Assignee: NGK Insulators, Ltd.
    Inventors: Takahiro Kondo, Yasushi Kato
  • Patent number: 10263292
    Abstract: Provided is a highly reliable nickel-zinc battery including a separator exhibiting hydroxide ion conductivity and water impermeability. The nickel-zinc battery includes a positive electrode containing nickel hydroxide and/or nickel oxyhydroxide; a positive-electrode electrolytic solution in which the positive electrode is immersed, the electrolytic solution containing an alkali metal hydroxide; a negative electrode containing zinc and/or zinc oxide; a negative-electrode electrolytic solution in which the negative electrode is immersed, the electrolytic solution containing an alkali metal hydroxide; a hermetic container accommodating the positive electrode, the positive-electrode electrolytic solution, the negative electrode, and the negative-electrode electrolytic solution; and the separator exhibiting hydroxide ion conductivity and water impermeability and disposed in the hermetic container so as to separate a positive-electrode chamber from a negative-electrode chamber.
    Type: Grant
    Filed: November 22, 2016
    Date of Patent: April 16, 2019
    Assignee: NGK Insulators, Ltd.
    Inventors: Hiroshi Hayashi, Naohito Yamada, Kenshin Kitoh
  • Patent number: 10258933
    Abstract: Provided is a zeolite membrane manufactured by: subjecting a porous body to heat treatment at 400° C. or more in the presence of oxygen as pretreatment, before adhering zeolite seed crystals to a surface of the porous body; storing the porous body under an environment of humidity of 30% or more for 12 hours or more after the heat treatment; and subsequently adhering the zeolite seed crystals to the porous body. The zeolite membrane having oxygen eight-membered rings, which is manufactured by subjecting the porous body to the heat treatment, provides a value that is obtained by dividing a permeance of CF4 by a permeance of CO2 to be 0.015 or less, and has fewer defects.
    Type: Grant
    Filed: September 18, 2015
    Date of Patent: April 16, 2019
    Assignee: NGK Insulators, Ltd.
    Inventors: Kenji Yajima, Takeshi Hagio, Makoto Miyahara, Tetsuya Uchikawa, Naoko Inukai, Makiko Ichikawa
  • Patent number: D846513
    Type: Grant
    Filed: October 21, 2016
    Date of Patent: April 23, 2019
    Assignee: NGK Insulators, Ltd.
    Inventors: Hiroshi Takebayashi, Rishun Kin
  • Patent number: D849914
    Type: Grant
    Filed: November 29, 2018
    Date of Patent: May 28, 2019
    Assignee: NGK Insulators, Ltd.
    Inventor: Mitsuhiro Ito