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).
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Publication number: 20240155743Abstract: An induction heating device according to the present invention includes: an induction heating coil 10 with a conductor 100 wound around a predetermined axis line AL; a member 11 including at least one soft magnetic material 110, the at least one soft magnetic material 110 being disposed at or on an outer side of each of axial end portions 102 of the induction heating coil 10 in an extending direction of the axis line AL; and a heating object 2 disposed on an inner side of the induction heating coil 10 and the member 11, the heating object 2 being configured to be heatable by induction heating using a magnetic flux from the induction heating coil 10.Type: ApplicationFiled: October 30, 2023Publication date: May 9, 2024Applicants: NGK INSULATORS, LTD., NATIONAL UNIVERSITY CORPORATION OKAYAMA UNIVERSITYInventors: Kazuhiro UMETANI, Shota KAWAHARA, Daiki MIYAKE, Masataka ISHIHARA, Eiji HIRAKI, Shuichi ICHIKAWA, Yukio MIYAIRI, Masaaki MASUDA, Takuya ISHIHARA
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Patent number: 11970961Abstract: 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: GrantFiled: May 19, 2021Date of Patent: April 30, 2024Assignee: NGK INSULATORS, LTD.Inventors: Yukio Miyairi, Masaaki Masuda, Kyohei Kato, Norihiro Wakida
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Publication number: 20240133330Abstract: A catalyst support for induction heating includes: a honeycomb structure including a pillar shaped honeycomb structure portion having: an outer peripheral wall; and a 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 an end face on an inlet side to an end face on an outlet side in a gas flow direction to form a flow path; a catalyst supported onto an interior of the partition wall; and at least one magnetic body provided within the honeycomb structure, wherein the catalyst support has a region A where the catalyst is not supported, at least on the end face side of the catalyst support on the inlet side in the gas flow direction, and wherein the magnetic body is arranged at least in the region A in the gas flow direction.Type: ApplicationFiled: January 2, 2024Publication date: April 25, 2024Applicant: NGK INSULATORS, LTD.Inventors: Yukio MIYAIRI, Masaaki MASUDA, Shuichi ICHIKAWA, Takuya ISHIHARA, Kai MATSUMOTO, Norihisa FUJIE, Yoichi AOKI
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Publication number: 20240133331Abstract: A catalyst support for induction heating includes: a honeycomb structure including a pillar shaped honeycomb structure portion having: an outer peripheral wall; and a 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 an end face on an inlet side to an end face on an outlet side in a gas flow direction to form a flow path; a catalyst supported onto an interior of the partition wall; and at least one magnetic body provided within the honeycomb structure, wherein the catalyst support has a region A where the catalyst is not supported, at least on the end face side of the catalyst support on the inlet side in the gas flow direction, and wherein the magnetic body is arranged at least in the region A in the gas flow direction.Type: ApplicationFiled: January 3, 2024Publication date: April 25, 2024Applicant: NGK INSULATORS, LTD.Inventors: Yukio MIYAIRI, Masaaki MASUDA, Shuichi ICHIKAWA, Takuya ISHIHARA, Kai MATSUMOTO, Norihisa FUJIE, Yoichi AOKI
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Publication number: 20240107633Abstract: A heater element includes: a honeycomb structure including an outer peripheral wall and partition walls disposed on an inner side of the outer peripheral wall, the partition walls defining a plurality of cells, each of the cells extending from a first end face to a second end face to form a flow path; a pair of electrode layers provided on the outer peripheral wall and the partition walls on the first end face and the second end face; and terminals capable of electrically connecting the electrode layers to a conducting wire. At least a part of each of the electrode layers has an extending portion extending outwardly from an outer edge of each of the first end face and the second end face. Each of the terminals is connected to the extending portion and disposed to face a side surface of the honeycomb structure.Type: ApplicationFiled: December 4, 2023Publication date: March 28, 2024Applicant: NGK INSULATORS, LTD.Inventors: Yukio MIYAIRI, Masaaki MASUDA, Takuya NAKASHIMA, Hirofumi YAMAGUCHI, Toru HAYASE, Koji KUZUTANI
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Publication number: 20230382188Abstract: A heater element for heating a vehicle interior includes: a honeycomb structure comprising: an outer peripheral wall; and a partition wall disposed on an inner side of the outer peripheral wall, the partition wall defining a plurality of cells each forming a flow path from a first end face to a second end face, the outer peripheral wall and the partition wall comprising a material having a PTC property; and a pair of electrodes provided on the first end face and the second end face. Each of the first end face and the second end face of the honeycomb structure is rectangular. The heater element for heating the vehicle interior further includes a pair of connectors, each of the connectors being connected to the electrode from one short side of each of the first end face and the second end face.Type: ApplicationFiled: April 27, 2023Publication date: November 30, 2023Applicant: NGK INSULATORS, LTD.Inventors: Yukio MIYAIRI, Masaaki MASUDA, Hirofumi YAMAGUCHI, Toru HAYASE, Hiroyuki NAGAOKA
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Publication number: 20230354479Abstract: A heater element includes: a honeycomb structure having an outer peripheral wall and partition walls disposed on an inner side of the outer peripheral wall, the partition walls defining a plurality of cells each forming a flow path from a first end face to a second end face, the outer peripheral wall and the partition walls made of a material having a PTC property; and a pair of electrode layers provided on a surface of the outer peripheral wall. The honeycomb structure has a shape having a long axis and a short axis in a cross section orthogonal to a central axis.Type: ApplicationFiled: July 10, 2023Publication date: November 2, 2023Applicant: NGK INSULATORS, LTD.Inventors: Yukio MIYAIRI, Masaaki MASUDA, Yoshifumi TAKAGI, Hirofumi YAMAGUCHI, Toru HAYASE, Takuya NAKASHIMA
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Publication number: 20230321643Abstract: A honeycomb structure including: an outer peripheral wall; a 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 magnetic particles, wherein the magnetic particles contain secondary particles with primary particles combined, wherein in a cross-sectional image of the honeycomb structure, a ratio of a number of the primary particles forming the secondary particles to a total number of the primary particles of the magnetic particles is 40 to 100%, and wherein a particle size D50 corresponding to a cumulative frequency of 50% by number for the primary particles is 5 to 100 ?m.Type: ApplicationFiled: June 1, 2023Publication date: October 12, 2023Applicant: NGK INSULATORS, LTD.Inventors: Shuichi ICHIKAWA, Yukio MIYAIRI, Masaaki MASUDA, Takuya ISHIHARA
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Publication number: 20230309197Abstract: A heater includes: a first cordierite substrate; a glass portion provided on the first cordierite substrate; and an electrically heating portion embedded in the glass portion, wherein the glass portion comprises MgO, Al2O3 and SiO2.Type: ApplicationFiled: November 17, 2022Publication date: September 28, 2023Applicant: NGK Insulators, Ltd.Inventors: Yukio MIYAIRI, Masaaki MASUDA, Koji KUZUTANI, Shinzou HAYASHI
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Publication number: 20230193806Abstract: A catalyst support for induction heating includes: a honeycomb structure including a pillar shaped honeycomb structure portion having: an outer peripheral wall; and a 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 an end face on an inlet side to an end face on an outlet side in a gas flow direction to form a flow path; a catalyst supported onto an interior of the partition wall; and at least one magnetic body provided within the honeycomb structure, wherein the catalyst support has a region A where the catalyst is not supported, at least on the end face side of the catalyst support on the inlet side in the gas flow direction, and wherein the magnetic body is arranged at least in the region A in the gas flow direction.Type: ApplicationFiled: February 14, 2023Publication date: June 22, 2023Applicant: NGK Insulators, Ltd.Inventors: Yukio MIYAIRI, Masaaki MASUDA, Shuichi ICHIKAWA, Takuya ISHIHARA, Kai MATSUMOTO, Norihisa FUJIE, Yoichi AOKI
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Publication number: 20230184151Abstract: A cylindrical can body capable of housing a honeycomb structure therein, the cylindrical can body including: a coil for induction-heating the honeycomb structure; a cylindrical member made of an insulating material; and a cylindrical metal member capable of housing the coil and the cylindrical member therein, wherein, in a cross section parallel to an axial direction of the cylindrical member, (i) the coil is provided radially outward from an inner circumferential surface of the cylindrical member, and at least a part of the coil is embedded in the cross section of the cylindrical member; or (ii) the coil is provided on an outer circumferential portion of the cylindrical member.Type: ApplicationFiled: February 7, 2023Publication date: June 15, 2023Applicant: NGK Insulators, Ltd.Inventors: Yukio MIYAIRI, Masaaki MASUDA, Shuichi ICHIKAWA, Takuya ISHIHARA
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HEATER ELEMENT WITH FUNCTIONAL MATERIAL-CONTAINING LAYER AND VEHICLE COMPARTMENT PURIFICATION SYSTEM
Publication number: 20230129722Abstract: A heater element including a honeycomb structure and a functional material-containing layer, wherein the honeycomb structure has an outer peripheral wall and partition walls provided inside the outer peripheral wall, the partition walls partitioning a plurality of cells that form flow paths extending from an inlet end surface to an outlet end surface, and at least the partition walls are made of a material having PTC characteristics, and wherein the functional material-containing layer is provided on a surface of the partition walls, and a thickness of the functional material-containing layer increases from the inlet end surface toward the outlet end surface.Type: ApplicationFiled: September 12, 2022Publication date: April 27, 2023Applicants: NGK Insulators, Ltd., Honda Motor Co., Ltd.Inventors: Yukio MIYAIRI, Masaaki MASUDA, Takuya NAKASHIMA, Yusuke BABA, Subaru MATSUMOTO -
Publication number: 20230096396Abstract: A vehicle compartment purification system configured to be capable of executing a regeneration mode of a functional material by a controller, the regeneration mode including a first regeneration step in which the air is flowed through a plurality of cells of a heater element at a flow velocity A for a predetermined time from a start of the regeneration mode, and after the first regeneration step, a second regeneration step in which the air is flowed through the plurality of cells at a flow velocity B and flowed out to the outflow piping; wherein the flow velocity A and the flow velocity B satisfy the flow velocity A<the flow velocity B, provided that a direction from a first end surface to a second end surface of the heater element is regarded as a positive direction, and the flow velocity B is a positive value.Type: ApplicationFiled: September 15, 2022Publication date: March 30, 2023Applicants: NGK Insulators, Ltd., Honda Motor Co., Ltd.Inventors: Yukio MIYAIRI, Masaaki MASUDA, Takuya NAKASHIMA, Subaru MATSUMOTO
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Patent number: 11614011Abstract: 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: GrantFiled: December 29, 2020Date of Patent: March 28, 2023Assignee: NGK Insulators, Ltd.Inventors: Yukio Miyairi, Takehide Shimoda, Takashi Aoki, Hirofumi Sakamoto, Masaaki Masuda, Atsuo Kondo, Yunie Izumi, Kyohei Kato, Norihiro Wakita
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Patent number: 11612018Abstract: A heater may include: a conductive ceramic cylinder tube in which cell-arrays are concentrically arranged, each cell-array including cells which are arranged in a circumferential direction of the ceramic cylinder tube; an inner electrode electrically coupled to an inner wall portion of the ceramic cylinder tube; and an outer electrode electrically coupled to an outer wall portion of the ceramic cylinder tube. Non-linear portions are radially arranged in the ceramic cylinder tube, each non-linear portion extending in a radial direction of the ceramic cylinder tube while having a plurality of bends or curves between the inner wall portion and outer wall portion of the ceramic cylinder tube. The inner and outer electrodes are provided such that current flows radially at least via said non-linear portions between the inner and outer electrodes.Type: GrantFiled: October 21, 2019Date of Patent: March 21, 2023Assignee: NGK Insulators, Ltd.Inventors: Yukio Miyairi, Masaaki Masuda, Xavier Bartolo
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Publication number: 20230080619Abstract: A heater element with a functional material-containing layer includes: a honeycomb structure including an outer peripheral wall and partition walls disposed on an inner side of the outer peripheral wall, the partition walls defining a plurality of cells, each of the cells extending from a first end face to a second end face to form a flow path, at least the partition walls being made of a material having a PTC property; a pair of electrodes provided on the first end face and the second end face of the honeycomb structure; and a functional material-containing layer provided on a surface of the partition walls.Type: ApplicationFiled: November 21, 2022Publication date: March 16, 2023Applicant: NGK Insulators, Ltd.Inventors: Yukio MIYAIRI, Masaaki MASUDA, Koji KUZUTANI, Shuichi ICHIKAWA, Toru HAYASE, Hirofumi YAMAGUCHI, Narimasa SHINODA, Takahiko NAKATANI
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Publication number: 20220410136Abstract: A pillar shaped honeycomb structure for induction heating, the honeycomb structure being made of ceramics and including: an outer peripheral wall; and a partition wall disposed on an inner side of the outer peripheral wall, the partition wall defining a plurality of cells, each of the cells penetrating from one end face to other end face to form a flow path, wherein a composite material containing a conductor and a non-conductor is provided in the cells in a region of 50% or less of the total length of the honeycomb structure from one end face, and wherein the conductor is a conductor that generates heat in response to a change in a magnetic field.Type: ApplicationFiled: September 7, 2022Publication date: December 29, 2022Applicant: NGK Insulators, Ltd.Inventors: Shuichi ICHIKAWA, Takuya ISHIHARA, Yukio MIYAIRI, Masaaki MASUDA
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Patent number: 11511596Abstract: An acoustic wave generation unit oscillates working fluid of 35 atm or less so as to generate acoustic waves with a frequency in a range from 50 Hz or more and 500 Hz or less. A heat/acoustic wave conversion component has a partition wall of 5.0 W/mK or less between two end faces which defines a plurality of cells of 620 cells/cm2 or more and 3100 cells/cm2 or less. A heat exchanger disposed close to one end face receives heat from a first external air flowing into the heat exchanger and gives the heat to the one end face so as to flow out a cold air. Another heat exchanger disposed close to the other end face receives heat from the other end face and gives the heat to a second external air flowing into the another heat exchanger so as to flow out a warm air.Type: GrantFiled: July 9, 2019Date of Patent: November 29, 2022Assignee: NGK Insulators, Ltd.Inventors: Yukio Miyairi, Shinichi Miwa
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Publication number: 20220371405Abstract: A heater element for heating a vehicle interior includes a pillar shaped honeycomb structure portion having: an outer peripheral wall; and partition walls arranged on an inner side of the outer peripheral wall, the partition walls defining a plurality of cells, each of the cells forming a flow path from a first end face to a second end face. The outer peripheral wall and the partition walls are made of a material having PTC characteristics. The heater element further includes a dense insulating film that covers at least a part of the pillar shaped honeycomb structure portion.Type: ApplicationFiled: August 5, 2022Publication date: November 24, 2022Applicant: NGK Insulators, Ltd.Inventors: Yukio MIYAIRI, Masaaki MASUDA, Yoshifumi TAKAGI, Yunie IZUMI, Toru HAYASE
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Patent number: 11421570Abstract: A particulate filter, including: a pillar-shaped honeycomb structure portion having a plurality of first cells extending from a first end face to a second end face, the first end face being open and the second end face being plugged, and a plurality of second cells extending from the first end face to the second end face, the first end face being plugged and the second end face being open, in which the first cells and the second cells are alternately arranged adjacent to each other with porous partition walls interposed therebetween; and a low thermal conductive layer covering a part or the whole of an outer peripheral side surface of the pillar-shaped honeycomb structure portion, the thermal conductivity in a thickness direction of the low thermal conductive layer being 0.6 W/(m·K) or less.Type: GrantFiled: March 9, 2020Date of Patent: August 23, 2022Assignee: NGK Insulators, Ltd.Inventors: Yukio Miyairi, Takahiro Tomita, Megumi Fujisaki