Patents Examined by Tom P Duong
  • Patent number: 11319854
    Abstract: A catalytic device that can increase the durability of a catalyst support with holes is provided. A flat plate and a corrugated plate have a plurality of holes, a joint area between the flat plate and the corrugated plate is provided in a first upstream area including one end of a catalyst support, and a joint area between the catalyst support and an outer cylinder is provided in a second upstream area that includes the first upstream area and is wider than the first upstream area in the direction of an axis.
    Type: Grant
    Filed: August 1, 2019
    Date of Patent: May 3, 2022
    Assignees: HONDA MOTOR CO., LTD., VITESCO TECHNOLOGIES GMBH
    Inventors: Hiroyuki Horimura, Kosaku Ito, Francois Jayat, Daiji Kawaguchi, Kazuhisa Maeda, Sven Seifert, Michael Voit
  • Patent number: 11311845
    Abstract: A mixer for an exhaust system of an internal combustion engine includes a mixer housing (40) with an inflow opening central axis (LE) and with an outflow opening (38). A first flow duct (48) following the inflow opening (24) in the mixer housing (40) and a second flow duct (50) lead parallel to one another to a third flow duct (54) and open into same. The third flow duct (54) leads to the outflow opening (38). The first flow duct (48) and the second flow duct (50) are provided between an outer wall (16) of the mixer housing (40) and a flow divider wall (36) enclosed by the outer wall (16), and the third flow duct (54) is enclosed by the flow divider wall (36).
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: April 26, 2022
    Assignee: Purem GmbH
    Inventors: Fatih Uysal, Enver Kurpejovic
  • Patent number: 11305257
    Abstract: A honeycomb structure comprising a pillar-shaped honeycomb structure body having a porous partition wall disposed so as to surround a plurality of cells, wherein let that A denotes an absolute value of open frontal area (%) in a plane of the honeycomb structure body orthogonal to the extending direction of the cells and P denotes an absolute value of porosity (%) of the partition wall, the honeycomb structure has a value represented by the following expression (1) that is 0.05 to 0.12, let that D denotes an average pore diameter (m) of the partition wall and G denotes a geometric surface area (mm2/mm3) of the partition wall, the honeycomb structure has a value represented by the following expression (2) that is 8 to 50 (?m×mm2/mm3), and the honeycomb structure has a hydraulic diameter of the cells that is 1.1 mm or more, (1?A/100)×(1?P/100),??Expression (1) D×G.
    Type: Grant
    Filed: February 10, 2021
    Date of Patent: April 19, 2022
    Assignee: NGK Insulators, Ltd.
    Inventors: Shogo Hirose, Hirotaka Yamamoto
  • Patent number: 11293317
    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, wherein the partition wall is composed of a material containing cordierite as a main component thereof, porosity of the partition wall measured by a mercury press-in method is 55 to 65%, an average pore diameter of the partition wall measured by a mercury press-in method is 5 to 10 ?m, and in a pore diameter distribution indicating a cumulative pore volume of the partition wall measured by a mercury press-in method, with a pore diameter (?m) on an abscissa axis and a log differential pore volume (cm3/g) on an ordinate axis, a first peak including a maximum value of the log differential pore volume has a pore diameter value of 8 ?m or less, the pore diameter value corresponding to a ? value width of the maximum value.
    Type: Grant
    Filed: January 18, 2021
    Date of Patent: April 5, 2022
    Assignee: NGK Insulators, Ltd.
    Inventors: Fumihiko Yoshioka, Nozomu Hirai, Kyohei Kato
  • Patent number: 11280237
    Abstract: A honeycomb filter, including: a honeycomb structure, wherein the honeycomb structure includes a platinum group element-containing catalyst layer, the platinum group element-containing catalyst layer is disposed only on a side of an inner surface of the partition walls surrounding the outflow cells, and the platinum group element-containing catalyst layer is disposed in a range of at least up to 35% with respect to an overall length of the cells starting from the outflow end face and is not disposed in a range of at least up to 30% with respect to the overall length of the cells starting from the inflow end face, in an extending direction of the cells of the honeycomb structure.
    Type: Grant
    Filed: March 18, 2019
    Date of Patent: March 22, 2022
    Assignees: NGK Insulators, Ltd., Honda Motor Co., Ltd.
    Inventors: Fumihiko Yoshioka, Yoshiaki Hatakeyama, Noritaka Masumitsu
  • Patent number: 11280236
    Abstract: A honeycomb filter, including: a honeycomb structure, wherein the honeycomb structure includes a platinum group element-containing catalyst layer, the platinum group element-containing catalyst layer is disposed only on a side of an inner surface of the partition walls surrounding the inflow cells, and the platinum group element-containing catalyst layer is disposed in a range of at least up to 40% with respect to an overall length of the cells starting from the outflow end face and is not disposed in a range of at least up to 30% with respect to the overall length of the cells starting from the inflow end face, in an extending direction of the cells of the honeycomb structure.
    Type: Grant
    Filed: March 18, 2019
    Date of Patent: March 22, 2022
    Assignees: NGK Insulators, Ltd., Honda Motor Co., Ltd.
    Inventors: Fumihiko Yoshioka, Yoshiaki Hatakeyama, Noritaka Masumitsu
  • Patent number: 11274588
    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, wherein the partition wall is composed of a material containing cordierite as a main component thereof, porosity of the partition wall measured by a mercury press-in method is 60 to 68%, an average pore diameter of the partition wall measured by a mercury press-in method is 19 to 26 ?m, and in a pore diameter distribution indicating a cumulative pore volume of the partition wall measured by a mercury press-in method, with a pore diameter (?m) on an abscissa axis and a log differential pore volume (cm3/g) on an ordinate axis, a first peak including a maximum value of the log differential pore volume has a pore diameter value of 18 ?m or less, the pore diameter value corresponding to a ? value width of the maximum value.
    Type: Grant
    Filed: January 18, 2021
    Date of Patent: March 15, 2022
    Assignee: NGK Insulators, Ltd.
    Inventors: Fumihiko Yoshioka, Yuji Sasaki, Kimiko Kishine, Sachiko Ishida, Kyohei Kato
  • Patent number: 11273409
    Abstract: Provided is a catalyst device that makes it possible to efficiently purify exhaust gas. A catalyst device that comprises: a carrier that is formed by stacking and rolling a metal-foil-shaped flat plate and a metal-foil-shaped corrugated plate and that carries a catalyst; and an outer cylinder that houses the carrier and supports the carrier such that one end part of the carrier is oriented toward an exhaust gas upstream side and another end part of the carrier is oriented toward an exhaust gas downstream side. The flat plate and the corrugated plate have a plurality of holes and are covered by a coating film that includes a catalyst substance. The coating film that covers the downstream side of the holes is thicker than the coating film that covers the upstream side of the holes.
    Type: Grant
    Filed: August 6, 2019
    Date of Patent: March 15, 2022
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Kazuhisa Maeda, Hiromitsu Takeda, Hiroyuki Horimura
  • Patent number: 11266982
    Abstract: A substrate (11) of an exhaust gas purification catalyst (10) includes inflow-side cells (21), outflow-side cells (22), and porous partition walls (23), each porous partition wall separating the cells (21, 22) from each other. A first catalyst portions (14) is provided at least on a portion of a side of the partition wall (23) that faces the inflow-side cell (21), the portion being located on an upstream side in an exhaust gas flow direction, and a second catalyst portion (15) is provided at least on a portion of a side of the partition wall that faces the outflow-side cell, the portion being located on a downstream side in the exhaust gas flow direction.
    Type: Grant
    Filed: March 19, 2019
    Date of Patent: March 8, 2022
    Assignee: Mitsui Mining & Smelting Co., Ltd.
    Inventors: Hiroki Kurihara, Yu Sakurada, Yusuke Nagai, Yoshinori Endo, Takeshi Nabemoto, Shingo Akita
  • Patent number: 11268432
    Abstract: An internal combustion engine exhaust system includes an exhaust gas treatment unit carried at a carrier. The carrier has a receiving opening (20), receiving the treatment unit, with a first sealing surface (28) enclosing the opening. The exhaust gas treatment unit has a second sealing surface (42), enclosing a treatment unit longitudinal axis, located opposite the first sealing surface. The exhaust gas treatment unit has a third sealing surface (44), enclosing the treatment unit longitudinal axis. A closing element (48), fixable with the exhaust gas treatment unit to the carrier, has a fourth sealing surface (50), located opposite the third sealing surface. A first sealing element (52) is arranged between the first sealing surface and the second sealing surface. A second sealing element (54) is arranged between the third sealing surface and the fourth sealing surface. The first sealing element and the second sealing element are of identical configuration.
    Type: Grant
    Filed: January 6, 2021
    Date of Patent: March 8, 2022
    Assignee: PUREM GMBH
    Inventors: Peter Kast, Michael Dentler, Vincent Eder, Oliver Karabateas, Felix Neumann
  • Patent number: 11247171
    Abstract: Provided is a method of manufacturing a metal catalyst support including: transferring a plate member of the same size along a transfer unit; aligning the plate member so that a front portion of the plate member is located at a start point when the plate member reaches a set position; forming a corrugated plate by alternately forming a first corrugated portion and a second corrugated portion on the plate member which is aligned at the start point; and laminating the fabricated corrugated plates and the flat plates alternately in a case.
    Type: Grant
    Filed: April 13, 2020
    Date of Patent: February 15, 2022
    Assignee: AMOGREENTECH CO., LTD.
    Inventors: Myoung Soo Kim, Tong Bok Kim
  • Patent number: 11247173
    Abstract: A two-stage mixer may include a guiding element and a mixing element. The guiding element may be configured to be fixedly mounted to an interior of an exhaust conduit. The mixing element may be configured to be fixedly mounted to the interior of the exhaust conduit in a position downstream from the guiding element. The mixing element may include a central disk, a plurality of mounting arms extending radially from the central disk, and a plurality of blades extending radially from the central disk. At least one mounting arm of the plurality of mounting arms may include a fin extending therefrom, and at least one blade of the plurality of blades may include a fin extending therefrom.
    Type: Grant
    Filed: August 11, 2020
    Date of Patent: February 15, 2022
    Assignee: Caterpillar Inc.
    Inventors: Yung T. Bui, Srinivasa Perumal Velu
  • Patent number: 11242790
    Abstract: A mixer assembly for a vehicle exhaust system includes a housing having an inlet portion and an outlet portion that are connected to each other with a channel portion. An inlet baffle is positioned at the inlet portion and an outlet baffle is positioned at the outlet portion. The inlet and outlet baffles are non-concentric. An injector housing is attached to the housing downstream of the inlet baffle and a spray guide is mounted within the injector housing. The spray guide has a spray inlet and a spray outlet that directs spray into the channel portion.
    Type: Grant
    Filed: November 3, 2017
    Date of Patent: February 8, 2022
    Assignee: Faurecia Emissions Control Technologies
    Inventors: Chris Chapman, Philip M. Dimpelfeld, Syed Saleem Quadri, Aejaz Ahmed
  • Patent number: 11215096
    Abstract: An electrical heater and method for heating a catalyst. The heater includes a honeycomb body having intersecting walls forming channels extending along a longitudinal axis. A plurality of electrically resistive paths are included, each including at least a portion of the plurality of intersecting walls and extending a length across the honeycomb body transverse to the longitudinal axis. A positive electrode and a negative electrode are in electrical communication with each other via the resistive paths. The positive electrode and the negative electrode are operatively positioned to generate a respective flow of current through each resistive path. The lengths of at least two of the resistive paths differ from each other. The resistive paths are configured with respect to the at least one positive electrode and the at least one negative electrode such that the current in each of the resistive paths is substantially equal.
    Type: Grant
    Filed: August 20, 2020
    Date of Patent: January 4, 2022
    Assignee: Corning Incorporated
    Inventors: Thomas Adam Collins, Tushar Gulati, David Robert Heine
  • Patent number: 11213781
    Abstract: A honeycomb body having intersecting porous walls which includes first through fourth cells, wherein the cells extend from inlet to outlet face and are plugged to define a repeating structural unit with three inlets and one outlet channel. Repeating structural unit includes a first channel including length L1, width W2, and area A1, a second channel including length L2, the width W2, and area A2, a third channel including the length L1, width W1, and area A3, and a fourth channel including the length L2, the width W1, and A4, wherein the first through third channels are inlets and the fourth channel is a rectangular outlet and at least one of W1?W2 and L1?L2, i.e. W1?W2, or L1?L2, or W1?W2 and L1?L2. Repeating structural unit has a quadrilateral outer perimeter. Particulate filters including the honeycomb body, honeycomb extrusion dies, and methods of manufacturing the honeycomb body are provided.
    Type: Grant
    Filed: January 29, 2021
    Date of Patent: January 4, 2022
    Assignee: Corning Incorporated
    Inventors: Douglas Munroe Beall, Dana Craig Bookbinder, Pushkar Tandon
  • Patent number: 11213778
    Abstract: Disclosed is a honeycomb filter for collecting fine particles that includes a wall portion formed from a base material containing ceria-zirconia composite oxide and an inorganic binder. The wall portion has a gas permeability coefficient of 1.0 ?m2 or greater and 3.0 ?m2 or less.
    Type: Grant
    Filed: March 5, 2018
    Date of Patent: January 4, 2022
    Assignee: IBIDEN CO., LTD.
    Inventor: Shinnosuke Goto
  • Patent number: 11208932
    Abstract: Provided is a catalyst device that can equalize the strength of a carrier in the direction of the flow of exhaust gas. According to the present invention, a flat plate and a corrugated plate have a plurality of holes. When the flat plate and the corrugated plate are in a flat state before being made into a carrier, the plurality of holes form: a plurality of first rows that run along a first direction that is parallel to the axial direction of the carrier; and a plurality of second rows that run along a second direction that is orthogonal to the first direction. As seen from the second direction, the holes in one second row and the holes in the other second row of adjacent second rows have portions that overlap each other.
    Type: Grant
    Filed: August 6, 2019
    Date of Patent: December 28, 2021
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Kazuhisa Maeda, Hiroyuki Horimura, Toshiaki Kimura
  • Patent number: 11208931
    Abstract: In an exhaust gas purifying catalyst according to the present invention, a substrate includes inflow-side cells, outflow-side cells, and porous partition walls, each partition wall separating the inflow-side cell from the outflow-side cell. Catalyst portions include: first catalyst portions, each first catalyst portion being provided on a surface of the partition wall that faces the inflow-side cell on an upstream side in an exhaust gas flow direction, and second catalyst portions, each second catalyst portion being provided on a surface of the partition wall that faces the outflow-side cell on a downstream side, and the exhaust gas purifying catalyst satisfies the following expressions: IB1/IA×100?60%, IB2/IA×100?60%, IC1/IA×100?3%, and IC2/IA×100?3%, where IA, IB1, IB2, IC1, and IC2 represent pore volumes, definitions of which can be found in the specification.
    Type: Grant
    Filed: April 17, 2019
    Date of Patent: December 28, 2021
    Assignees: Mitsui Mining & Smelting Co., Ltd., HONDA MOTOR CO., LTD.
    Inventors: Hiroki Kurihara, Yusuke Nagai, Shingo Akita, Yoshinori Endo, Takeshi Mori, Takayuki Watanabe, Tomoko Tsuyama
  • Patent number: 11207667
    Abstract: A vehicular exhaust filter (2) comprising a porous substrate having an inlet face and an outlet face with the porous substrate comprising inlet channels extending from the inlet face and outlet channels extending from the outlet face is disclosed. The inlet channels and the outlet channels are separated by a plurality of filter walls having a porous structure. The vehicular exhaust filter (2) is loaded with a refractory powder having a tapped density before loading of less than 0.10 g/cm3 and the vehicular exhaust filter has a mass loading of the refractory powder of less than 10 g/l.
    Type: Grant
    Filed: August 13, 2020
    Date of Patent: December 28, 2021
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Peter Bellham, Andrew Chiffey, Lucy Clowes, Thomas Hotchkiss, David Marvell, John Turner, Sarah Warren
  • Patent number: 11199121
    Abstract: An exhaust device includes a supporting component and an exhaust component. The supporting component is configured to support the exhaust component. The supporting component includes a rod and a bracket. The bracket is supported from above by the rod. The exhaust component includes a joining target portion. The joining target portion includes a first joining surface and a second joining surface, to which the bracket is joined. An intermediate surface, which is between the first joining surface and the second joining surface, is provided with a reinforcing portion that reinforces the intermediate surface.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: December 14, 2021
    Assignee: FUTABA INDUSTRIAL CO., LTD.
    Inventors: Yuki Sawanishi, Naoki Matsumoto, Makoto Hisaike