Patents by Inventor Yukio Miyairi

Yukio Miyairi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20220120203
    Abstract: A pillar shaped honeycomb structure includes: an outer peripheral wall; and a porous partition wall disposed on an inner side of the outer peripheral wall, the partition wall defining a plurality of cells, each of the plurality of cells extending from one end face to the other end face to form a flow path. The partition wall is a porous body containing aggregates and binding materials binding the aggregates. At least a part of the aggregates includes magnetic particles.
    Type: Application
    Filed: December 27, 2021
    Publication date: April 21, 2022
    Applicant: NGK INSULATORS, LTD.
    Inventors: Shuichi ICHIKAWA, Takuya ISHIHARA, Yukio MIYAIRI, Masaaki MASUDA
  • Publication number: 20220118391
    Abstract: A pillar shaped honeycomb structure including pillar shaped honeycomb segments joined together via joining material layers, wherein each of the pillar shaped honeycomb segment includes: an outer peripheral wall; and a porous partition wall disposed on an inner side of the outer peripheral wall, the partition wall defining a plurality of cells, each of the cells extending from one end face to other end face to form a flow path, and wherein a metal member is embedded in each of the joining material layer.
    Type: Application
    Filed: January 3, 2022
    Publication date: April 21, 2022
    Applicant: NGK INSULATORS, LTD.
    Inventors: Shuichi ICHIKAWA, Takuya ISHIHARA, Yukio MIYAIRI, Masaaki MASUDA
  • Publication number: 20220120204
    Abstract: A pillar shaped honeycomb structure including pillar shaped honeycomb segments joined together via joining material layers, wherein each of the pillar shaped honeycomb segment includes: an outer peripheral wall; and a porous partition wall disposed on an inner side of the outer peripheral wall, the partition wall defining a plurality of cells, each of the plurality of cells extending from one end face to other end face to form a flow path, wherein a joining material forming the joining material layers includes magnetic particles, and wherein the joining material contains aggregates, and at least a part of the aggregates comprises the magnetic particles.
    Type: Application
    Filed: December 28, 2021
    Publication date: April 21, 2022
    Applicant: NGK INSULATORS, LTD.
    Inventors: Shuichi ICHIKAWA, Takuya ISHIHARA, Yukio MIYAIRI, Masaaki MASUDA
  • Patent number: 11280243
    Abstract: A catalyst substrate may include a ceramic base body including first and second ends, the second end being opposite to the first end, and the ceramic base body being provided with a plurality of cells each extending between the first and second ends; and a plurality of metal particles or metal fragments introduced into one or more internal spaces of one or more selected cells in the plurality of cells. Each of the plurality of metal particles or metal fragments has a size equal to or less than an opening width of the cell. The plurality of metal particles or metal fragments is configured to generate heat in accordance with varying magnetic field.
    Type: Grant
    Filed: April 16, 2019
    Date of Patent: March 22, 2022
    Assignees: NGK Insulators, Ltd., Faurecia Systemes D'Echappement
    Inventors: Yukio Miyairi, Masaaki Masuda, Jean-Paul Brunel
  • Patent number: 11268422
    Abstract: A exhaust gas mixing apparatus includes an outer cylinder being configured to an insulating ceramic; fins being configured to an insulating ceramic, the fins being provided on an inner side of the outer cylinder; and an electric heating portion embedded in at least a part of the outer cylinder and/or the fins.
    Type: Grant
    Filed: May 20, 2020
    Date of Patent: March 8, 2022
    Assignee: NGK Insulators, Ltd.
    Inventors: Yukio Miyairi, Masaaki Masuda, Shinzo Hayashi, Yoshifumi Takagi
  • Publication number: 20210388749
    Abstract: A pillar shaped honeycomb structure, including: an outer peripheral wall; and a porous partition wall disposed inside the outer peripheral wall, the a porous partition wall defining a plurality of cells, each of the cells extending from one end face to other end face to form a flow path, wherein a surface of the porous partition wall in the cells comprise a collecting layer having an average pore diameter lower than that of the porous partition wall; and wherein magnetic particles having a Curie point of 700° C. or higher are provided either or both between the surfaces of the porous partition wall and the collecting layer, and on the collecting layer.
    Type: Application
    Filed: August 30, 2021
    Publication date: December 16, 2021
    Applicant: NGK Insulators, Ltd.
    Inventors: Takafumi KIMATA, Yukio MIYAIRI, Masaaki MASUDA, Kazuya HOSODA
  • Publication number: 20210346880
    Abstract: A pillar shaped honeycomb structure, including: an outer peripheral wall; and a porous partition wall disposed inside the outer peripheral wall, the partition wall defining a plurality of cells, each of the cells extending from one end face to other end face to form a flow path, wherein the plurality of cells include two or more types of magnetic substances in which at least two of a maximum magnetic permeability, a Curie point, and an intrinsic resistance value are different.
    Type: Application
    Filed: July 21, 2021
    Publication date: November 11, 2021
    Applicant: NGK INSULATORS, LTD.
    Inventors: Yukio MIYAIRI, Masaaki MASUDA, Kyohei KATO, Kazuya HOSODA, Takafumi KIMATA
  • Publication number: 20210324772
    Abstract: A pillar shaped honeycomb structure, including: an outer peripheral wall; and porous partition walls disposed inside the outer peripheral wall, the partition walls defining a plurality of cells, each of the cells penetrating from one end face to other end face to form a flow path, wherein one or both of the one end face and the other end face includes a groove portion; and wherein at least one annular conductive loop containing a conductive material is embedded in the groove portion.
    Type: Application
    Filed: June 28, 2021
    Publication date: October 21, 2021
    Applicant: NGK INSULATORS, LTD.
    Inventors: Yukio MIYAIRI, Masaaki MASUDA, Kyohei KATO, Takafumi KIMATA, Kazuya HOSODA
  • Publication number: 20210293166
    Abstract: A pillar shaped honeycomb structure, including: a porous partition wall that define a plurality of cells, the plurality of cells forming flow paths for a fluid, the plurality of cells extending from an inflow end face to an outflow end face; and an outer peripheral wall located at the outermost circumference. The plurality of cells include: a plurality of first cells; and a plurality of second cells having a lower cross-sectional area than that of the plurality of first cells. An interior of each of the second cells is filled with a material comprising a magnetic substance. Each of the second cells are arranged adjacent to at least one of the first cells.
    Type: Application
    Filed: May 19, 2021
    Publication date: September 23, 2021
    Applicant: NGK INSULATORS, LTD.
    Inventors: Yukio MIYAIRI, Masaaki MASUDA, Kyohei KATO, Norihiro WAKIDA
  • Publication number: 20210291157
    Abstract: A pillar shaped honeycomb structure includes: a porous partition wall that defines a plurality of cells, the cells forming flow paths for a fluid, the cells extending from an inflow end face to an outflow end face; and an outer peripheral wall located at the outermost circumference. The cells include: a plurality of cells A wherein a side of the inflow end face is opened and the outflow end face has a plugged portion; and a plurality of cells B wherein a side of the outflow end face is opened and the inflow end face has a plugged portion, the cells B being arranged alternately with the cells A. One or both of the plugged portion of the cells A and the plugged portions of the cells B contain a magnetic substance and glass.
    Type: Application
    Filed: May 18, 2021
    Publication date: September 23, 2021
    Applicant: NGK INSULATORS, LTD.
    Inventors: Yukio MIYAIRI, Masaaki MASUDA
  • Patent number: 11125131
    Abstract: A heat generation system including: a liquid storage tank; a heating element including: a reaction container having a storage space, and a porous body stored in the storage space, and loaded with an exothermic reaction solid that causes an exothermic reaction when being in contact with the liquid; a liquid injection mechanism member including: a liquid flow pipe that communicates between the liquid storage tank and the storage space of the reaction container, through which the liquid flows, and an injection unit that injects the liquid into the storage space; and discharge mechanism member including: a discharge pipe that communicates with the storage space of the reaction container, and a discharge unit that discharges a liquid product generated by the exothermic reaction caused by contact between the liquid and the exothermic reaction solid, and a vaporized material of the liquid, from the storage space through the discharge pipe.
    Type: Grant
    Filed: June 19, 2019
    Date of Patent: September 21, 2021
    Assignee: NGK Insulators, Ltd.
    Inventors: Yukio Miyairi, Shinichi Miwa
  • Patent number: 11065571
    Abstract: Provided is a honeycomb filter, including: a pillar-shaped honeycomb substrate having an inflow end face and an outflow end face and including a porous partition wall surrounding a plurality of cells; and a plugging portion disposed at any one of ends of the cells at the inflow end face and at the outflow end face. In a cross section orthogonal to an extending direction of the cells, inflow cells have a pentagonal or a hexagonal shape, and outflow cells have a square shape. The cells are configured that the inflow cells surround one outflow cell and one side of an inflow cell and one side of an adjacent outflow cell are parallel to each other. The partition wall is configured that thickness of a first partition wall disposed between the inflow cells and the outflow cells is larger than thickness of a second partition wall disposed between the inflow cells.
    Type: Grant
    Filed: March 26, 2018
    Date of Patent: July 20, 2021
    Assignee: NGK Insulators, Ltd.
    Inventors: Osamu Yasui, Kazuto Miura, Tomohiro Iida, Yukio Miyairi, Takashi Aoki
  • Patent number: 11058983
    Abstract: Provided is a honeycomb filter, including: a pillar-shaped honeycomb substrate having an inflow end face and an outflow end face and including a porous partition wall surrounding a plurality of cells; and a plugging portion disposed at any one of ends of the cells at the inflow end face and at the outflow end face. In a cross section orthogonal to an extending direction of the cells, inflow cells have a pentagonal or a hexagonal shape, and outflow cells have a square shape. The cells are configured that the inflow cells surround one outflow cell and one side of an inflow cell and one side of an adjacent outflow cell are parallel to each other. The partition wall is configured that thickness of a first partition wall disposed between the inflow cells and the outflow cells is smaller than thickness of a second partition wall disposed between the inflow cells.
    Type: Grant
    Filed: March 26, 2018
    Date of Patent: July 13, 2021
    Assignee: NGK Insulators, Ltd.
    Inventors: Osamu Yasui, Takashi Aoki, Kazuto Miura, Tomohiro Iida, Yukio Miyairi
  • Patent number: 11035278
    Abstract: A heater includes: a conductive ceramic cylinder tube provided with a plurality of cells, each cell being defined by a pair of first cell-walls and a pair of second cell-walls, each first cell-wall extending in a radial direction of the ceramic cylinder tube, and each second cell-wall extending so as to cross the radial direction of the ceramic cylinder tube; an inner electrode electrically coupled to an inner wall of the ceramic cylinder tube; and an outer electrode electrically coupled to an outer wall of the ceramic cylinder tube. Linear portions are radially arranged in the ceramic cylinder tube, each linear portion linearly extending in the radial direction of the ceramic cylinder tube so as to include a plurality of first cell-walls that are arranged on the same axial line that in the radial direction and current flows radially at least via the linear portions between the inner and outer electrodes.
    Type: Grant
    Filed: October 22, 2019
    Date of Patent: June 15, 2021
    Assignees: NGK Insulators, Ltd., Faurecia Systemes d'Echappement
    Inventors: Yukio Miyairi, Masaaki Masuda, Xavier Bartolo
  • Patent number: 11035268
    Abstract: A method for regenerating an exhaust gas filter on which soot is deposited, including sequentially conducting: a step 1 of impregnating the filter with a liquid having 50% by mass or more of a component having a boiling point of 550° C. or less when an ambient temperature in the filter is at least 40° C. lower than the boiling point; a step 2 of raising the ambient temperature in the filter after the impregnation to a temperature equal to or higher than the boiling point of the component; and a step 3 of supplying an oxygen-containing gas at a temperature exceeding 550° C. to the filter to burn the soot.
    Type: Grant
    Filed: February 27, 2020
    Date of Patent: June 15, 2021
    Assignee: NGK Insulators, Ltd.
    Inventors: Yukio Miyairi, Hiroyuki Nagaoka, Tomoya Fujii
  • Patent number: 11015876
    Abstract: A porous honeycomb heat storage structure including: a honeycomb structure which has a porous partition wall which defines a plurality of cells extending one end face to the other end face and allows a reaction medium to flow into the cells; and a heat storage portion which is configured by filling a heat storage material performing heat storage and heat dissipation by a reversible chemical reaction with the reaction medium or physical adsorption/desorption in at least a portion of each cells, wherein the heat storage portion has an area ratio in a range from 60% to 90% with respect to a cross sectional area of a honeycomb cross section orthogonal to an axial direction of the honeycomb structure.
    Type: Grant
    Filed: July 22, 2019
    Date of Patent: May 25, 2021
    Assignee: NGK Insulators, Ltd.
    Inventors: Yukio Miyairi, Shinichi Miwa
  • Publication number: 20210115825
    Abstract: A pillar shaped honeycomb structure includes: a porous partition wall that defines a plurality of cells, the cells forming flow paths for a fluid, the cells extending from an inflow end face to an outflow end face; and an outer peripheral wall located at the outermost circumference. At least a part of surfaces of the partition walls has a surface layer, and the surface layer includes magnetic particles and has permeability.
    Type: Application
    Filed: December 29, 2020
    Publication date: April 22, 2021
    Applicant: NGK INSULATORS, LTD.
    Inventors: Yukio MIYAIRI, Takehide SHIMODA, Takashi AOKI, Hirofumi SAKAMOTO, Masaaki MASUDA, Atsuo KONDO, Yunie IZUMI, Kyohei KATO, Norihiro WAKITA
  • Patent number: 10948242
    Abstract: A heat storage reactor, comprising: a plurality of heat storage layers including first flow paths through which a first fluid can flow, each of the first flow paths being filled with heat storage materials; and a plurality of heat exchange layers including second flow paths through which a second fluid can flow. In the heat storage reactor, the plurality of heat storage layers and the plurality of heat exchange layers are alternately stacked. Further, open ends for the second flow paths are formed on a surface different from a surface on which open ends of the first flow paths are formed. Furthermore, at least a part of the second flow paths is formed in parallel to the first flow paths.
    Type: Grant
    Filed: April 22, 2019
    Date of Patent: March 16, 2021
    Assignees: NGK Insulators, Ltd., National University Corporation Nagoya University
    Inventors: Masaaki Masuda, Yukio Miyairi, Atsuhiro Ichinose, Noriyuki Kobayashi
  • Publication number: 20210041141
    Abstract: A heater element for vehicle compartment heating in a vehicle, including a pillar-shaped honeycomb structure portion having: an outer peripheral side wall; and partition walls disposed inside the outer peripheral side wall, the partition walls defining a plurality of cells which form flow paths from a first end face to a second end face; wherein the partition walls have PTC characteristics; an average thickness of the partition walls is 0.13 mm or less; and an open frontal area on the first and second end faces is 0.81 or more.
    Type: Application
    Filed: October 23, 2020
    Publication date: February 11, 2021
    Applicant: NGK INSULATORS, LTD.
    Inventors: Yukio MIYAIRI, Masaaki MASUDA, Yoshifumi TAKAGI, Yunie IZUMI, Toru HAYASE
  • Publication number: 20200386134
    Abstract: A filter including a plurality of pillar-shaped honeycomb structure segments made of porous ceramics, side faces of the segments being bonded together via a bonding material, wherein each of the pillar-shaped honeycomb structure segments includes an outer peripheral side wall, and partition walls partitioning a plurality of cells extending from a first end face to a second end face, and in each of the pillar-shaped honeycomb structure segments, an average porosity of the outer peripheral side wall is lower than that of the partition walls.
    Type: Application
    Filed: June 1, 2020
    Publication date: December 10, 2020
    Applicant: NGK INSULATORS, LTD.
    Inventors: Yukio MIYAIRI, Koji FUKUYO, Tasuku MATSUMOTO, Shuichi ICHIKAWA, Suguru KODAMA, Ryuta KONO, Narimasa SHINODA, Rui HORIMOTO