Patents Examined by Tom P Duong
  • Patent number: 10828626
    Abstract: A composite material comprises a macroporous silicate-based material at least partially substituted with at least one microporous zeolite, wherein the microporous zeolite is functionalised with either copper, iron or both copper and iron, and wherein the composite material is in the form of particles. The composite material can be obtained using a method comprising the steps of: (i) providing a mixture comprising a silicate-containing scaffold having a macroporous structure, an aluminium source and an organic template; (ii) hydrothermally treating the mixture to form a microporous zeolite-containing structure substantially retaining the macroporous structure of the silicate-containing scaffold; (iii) incorporating copper, iron or both copper and iron into the zeolite. The silicate-containing scaffold can be a diatomaceous earth.
    Type: Grant
    Filed: March 29, 2018
    Date of Patent: November 10, 2020
    Assignee: Johnson Matthey Catalysts (Germany) GmbH
    Inventors: Juergen Bauer, Ralf Dotzel, Joerg Werner Muench, Ralitsa Purova, Wilhelm Schwieger, Thangaraj Selvam, Ameen Shahid
  • Patent number: 10823034
    Abstract: A mixer for a vehicle exhaust system includes an outer housing that defines an internal cavity, an inlet pipe that directs exhaust gas into the internal cavity, and an outlet baffle. The outer housing includes a doser opening configured to receive a doser. The outlet baffle directs a mixture of the exhaust gas and a reducing agent injected by the doser into a downstream exhaust component. A deflector deflects exhaust gas exiting the inlet pipe to mix with the reducing agent prior to entering the downstream exhaust component.
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: November 3, 2020
    Assignee: Faurecia Emissions Control Technologies, USA, LLC
    Inventors: Fabrice Giacomin, Fabien Sudries, Ludovic M. Geant, Vijaykumar Madegowda
  • Patent number: 10821390
    Abstract: A honeycomb filter includes a pillar-shaped honeycomb structure body having a porous partition wall surrounding cells each of which has one end plugged by a plugging portion. An open frontal area O (%) of the cells in the honeycomb structure body is 75 to 80%, a porosity P (%) of the partition wall measured by a mercury press-in method is 52 to 58%, an average pore diameter D (?m) of the partition wall measured by the mercury press-in method is 6 to 12 ?m, and a pore volume rate A (%) of pores whose pore diameters are not less than 20 ?m with respect to an overall pore volume of the partition wall is not more than 13.5%.
    Type: Grant
    Filed: March 11, 2019
    Date of Patent: November 3, 2020
    Assignee: NGK Insulators, Ltd.
    Inventor: Fumihiko Yoshioka
  • Patent number: 10815851
    Abstract: An exhaust gas purification device for a vehicle comprises a coil configured to generate an electromagnetic field, a magnetic flux concentrator, surrounding the coil and configured to conduct the electromagnetic field generated by the coil, and an exhaust gas purification substrate. The exhaust gas purification substrate comprises an upstream segment having an upstream section, and a downstream segment having a downstream section. The exhaust gas purification substrate further comprises at least one intermediate segment between the upstream segment and the downstream segment, the intermediate segment having a central section smaller than the upstream section and/or the downstream section.
    Type: Grant
    Filed: July 13, 2020
    Date of Patent: October 27, 2020
    Assignee: FAURECIA SYSTEMES D'ECHAPPEMENT
    Inventors: Jean Paul Brunel, Guillaume Aufranc
  • Patent number: 10808591
    Abstract: A selective catalytic reduction (SCR) system having a catalytic layer. The SCR includes a plurality of baffle members located in a position spaced apart from a front end of the catalytic layer, the plurality of baffle members reduces a flow deviation due to enlargement of a flow cross-section of a fluid in at least one direction, each of the plurality of baffle members includes a first part and a second part, the first part and the second part of each of the plurality of baffle members extends in an orthogonal direction with respect to the at least one direction of enlargement of the flow cross-section, the first part and the second part are integrated, and each of the plurality of baffle members protrudes in an inlet direction of the fluid.
    Type: Grant
    Filed: January 9, 2018
    Date of Patent: October 20, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Junyoung Lee, Jong Hyuk Park, Jun Won Choi, Chang Hun Yu, Ye Hoon Im
  • Patent number: 10801384
    Abstract: The present invention relates to a diesel oxidation catalyst, which comprises a carrier body having a length L extending between a first end face a and a second end face b and a catalytically active material zone A arranged on the carrier body, wherein the material zone A contains palladium and platinum on a manganese-containing carrier oxide, wherein the carrier oxide consists of a carrier oxide component A and a carrier oxide component B and the carrier oxide component B consists of manganese and/or a manganese compound and is present in an amount of 5 to 15 wt. %, calculated as MnO2 and based on the total weight of the manganese-containing carrier oxide.
    Type: Grant
    Filed: March 6, 2018
    Date of Patent: October 13, 2020
    Assignee: UMICORE AG & CO. KG
    Inventors: Christoph Hengst, Naohiro Kato
  • Patent number: 10804555
    Abstract: A honeycomb-shaped reaction vessel, comprising: a honeycomb-shaped substrate; and a reaction layer arranged in at least a portion of an inner wall of a cell of the honeycomb-shaped substrate dividedly in a direction along an inner circumference of the cell and dividedly in a longitudinal direction of the cell.
    Type: Grant
    Filed: April 12, 2019
    Date of Patent: October 13, 2020
    Assignee: KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO
    Inventor: Tadashi Suzuki
  • Patent number: 10792626
    Abstract: A vane swirl mixer for exhaust aftertreatment includes: a vane swirl mixer inlet; a vane swirl mixer outlet; a first flow device including: a Venturi body; a plurality of upstream vanes positioned within the Venturi body; a plurality of upstream vane apertures interspaced between the plurality of upstream vanes; a plurality of downstream vanes positioned within the Venturi body; and a plurality of downstream vane apertures interspaced between the plurality of downstream vanes. At least one of the upstream vane hub and the downstream vane hub is radially offset from a Venturi center axis, thereby causing individual ones of the plurality of vanes coupled to the radially offset vane hub to differ in their geometry.
    Type: Grant
    Filed: March 25, 2020
    Date of Patent: October 6, 2020
    Assignee: Cummins Emission Solutions Inc.
    Inventors: Z. Gerald Liu, Apoorv Kalyankar, Achuth Munnannur, Niklas M. Schmidt, David Lee Dunnuck
  • Patent number: 10786783
    Abstract: A selective catalytic reduction system may include a single housing defining a single centerline axis. The selective catalytic reduction system may also include a diesel particulate filter disposed within the single housing and having a DPF center axis aligned with the single centerline axis. The selective catalytic reduction system may also include an SCR catalyst disposed within the single housing and having a center axis aligned with the single centerline axis. In some implementations, the diesel particulate filter may include one or more SiC filters. In some implementations, the SCR catalyst may include one or more extruded SCR catalysts.
    Type: Grant
    Filed: January 23, 2020
    Date of Patent: September 29, 2020
    Assignee: Cummins Emission Solutions, Inc.
    Inventors: Randolph G. Zoran, Ryan M. Johnson, David M. Sarcona, A. Carl McDonald, Jr., Kenneth R. Federle, John G. Buechler, Scott Lubenow
  • Patent number: 10774717
    Abstract: Various structures for catalytic convertors are disclosed herein. The device includes an outer housing enclosing a catalytic core. The catalytic core can be formed in a myriad of ways. Flow paths through the core are constructed so that they are not straight-line paths from the inlet of the device to the outlet of the device. Zigzag conformations and stacked panel arrays are described that maximize the catalytic surface area in a given volume of housing.
    Type: Grant
    Filed: October 27, 2018
    Date of Patent: September 15, 2020
    Assignee: Imagine TF, LLC
    Inventor: Brian Edward Richardson
  • Patent number: 10773251
    Abstract: The invention provides an exhaust gas cleaning oxidation catalyst and in particular to an oxidation catalyst for cleaning the exhaust gas discharged from internal combustion engines of compression ignition type (particularly diesel engines). The invention further relates to a catalysed substrate monolith comprising an oxidising catalyst on a substrate monolith for use in treating exhaust gas emitted from a lean-burn internal combustion engine. In particular, the invention relates to a catalysed substrate monolith comprising a first washcoat coating and a second washcoat coating, wherein the second washcoat coating is disposed in a layer above the first washcoat coating.
    Type: Grant
    Filed: August 6, 2019
    Date of Patent: September 15, 2020
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Philip Gerald Blakeman, Gavin Michael Brown, Sougato Chatterjee, Andrew Francis Chiffey, Jane Gast, Paul Richard Phillips, Hanako Oyamada, Raj Rao Rajaram, Satoshi Sumiya, Andrew Peter Walker, Lifeng Wang
  • Patent number: 10760469
    Abstract: An aftertreatment system can include a radiation shield for reducing and/or redirecting radiative thermal energy. The aftertreatment system can include a first housing, a second housing, a first aftertreatment component, and the radiation shield. The first aftertreatment component is positioned within one of a first interior volume of the first housing or a second interior volume of the second housing. The radiation shield includes an attachment portion and a thermal barrier portion. The attachment portion is coupled to an exterior of the first housing or the second housing. The thermal barrier portion is structured to divert radiative thermal energy in a second direction different than a source direction of the radiative thermal energy.
    Type: Grant
    Filed: December 20, 2017
    Date of Patent: September 1, 2020
    Assignee: Cummins Emission Solutions Inc.
    Inventors: Uma Vajapeyazula, Richard J. Gustafson, Harpreet Patpatia, Ryan R. Welch
  • Patent number: 10731534
    Abstract: An electrically heated catalyst has a catalyst body and a housing at least circumferentially surrounding the catalyst body. An electrical contacting assembly is arranged on a shell surface of the catalyst body, the electrical contacting assembly comprising a surface electrode arranged directly on the catalyst body and a contacting element connected to the surface electrode. The contacting element is rigid and has a screw thread.
    Type: Grant
    Filed: October 29, 2019
    Date of Patent: August 4, 2020
    Assignee: Faurecia Emissions Control Technologies, Germany GmbH
    Inventors: Manfred Stiglmair, Axel Boehmer, Ting Feng, Matthias Hildebrand, Jean-Francois Perret
  • Patent number: 10724415
    Abstract: An exhaust component includes a housing defining an internal cavity, at least one exhaust aftertreatment component positioned within the internal cavity, and a heat exchanger. The housing has an inlet configured to receive engine exhaust gases and an outlet configured to direct the engine exhaust gasses into a tailpipe. A reductant source is associated with the housing and produces ammonia to mix with engine exhaust gases entering the exhaust aftertreatment component. The heat exchanger is positioned within the internal cavity to reduce a temperature of the engine exhaust gases exiting the outlet.
    Type: Grant
    Filed: April 22, 2019
    Date of Patent: July 28, 2020
    Assignee: Faurecia Emissions Control Technologies, USA, LLC
    Inventors: Robin Willats, Eric Nicole
  • Patent number: 10722876
    Abstract: Catalytic articles comprising a substrate having a catalytic coating thereon, the catalytic coating comprising a catalytic layer having a thickness and an inner surface proximate to the substrate and an outer surface distal to the substrate; where the catalytic layer comprises a noble metal component on support particles and where the concentration of the noble metal component towards the outer surface is greater than the concentration towards the inner surface are highly effective towards treating exhaust gas streams of internal combustion engines. The articles are prepared via a method comprising providing a first mixture comprising micron-scaled support particles and applying the first mixture to a substrate to form a micro-particle layer; providing a second mixture comprising nano-scaled support particles and a noble metal component having an initial pH and applying the second mixture to the micro-particle layer and calcining the substrate.
    Type: Grant
    Filed: October 12, 2016
    Date of Patent: July 28, 2020
    Assignee: BASF Corporation
    Inventors: Xinzhu Liu, Michael Galligan, Ye Liu, Young Gin Kim, Milena Kudziela, Xinsheng Liu, Pascaline Tran
  • Patent number: 10711674
    Abstract: The present invention relates to a catalyst comprising a carrier substrate of the length L, a passive nitrogen oxide adsorber and means to control the temperature of the carrier substrate, as well as a process for cleaning of an exhaust gas emitted from a lean burn engine.
    Type: Grant
    Filed: October 20, 2017
    Date of Patent: July 14, 2020
    Assignee: UMICORE AG & CO. KG
    Inventors: Davion Onuga Clark, Christoph Hengst
  • Patent number: 10704441
    Abstract: An exhaust gas-purifying catalyst of the present invention comprising a substrate, a first catalyst layer comprising a first supported catalyst, a second supported catalyst, palladium, and a first nitrogen oxide storage material, and a second catalyst layer comprising a third supported catalyst having an alloying rate of platinum and palladium of 40% or more and a second nitrogen oxide storage material, wherein a mass of the second supported catalyst is greater than a mass of the first supported catalyst and greater than a mass of the third supported catalyst.
    Type: Grant
    Filed: October 24, 2019
    Date of Patent: July 7, 2020
    Assignee: Cataler Corporation
    Inventors: Yoshinori Yamashita, Shohei Tomita, Daisuke Ochiai, Masatoshi Ikebe
  • Patent number: 10704448
    Abstract: The present application discloses an exhaust gas after-treatment mixing device including a first plate, a second plate and a mixer. The mixer includes a first space, a second space and a third space located between the first space and the second space. Top portions of the first space and the second space are in communication with the third space. The mixer includes a first raised portion protruding into the third space and a second raised portion located below the first raised portion. A fourth space is formed between the first raised portion and the second raised portion. As a result, the distance and time of urea evaporation is increased and the mixing uniformity is improved. Besides, a package with the exhaust gas after-treatment mixing device is also provided.
    Type: Grant
    Filed: April 25, 2018
    Date of Patent: July 7, 2020
    Assignee: TENNECO (SUZHOU) EMISSION SYSTEM CO., LTD.
    Inventors: Cong Wang, Lin Wang, Ping Wang
  • Patent number: 10681779
    Abstract: A conductive honeycomb structure includes: a pillar honeycomb structure portion including an outer peripheral side wall and partition walls, each of the partition walls extending through the pillar honeycomb structure from a first end face to a second end face to define a plurality of cells forming a through channel of a first fluid; a pair of electrode portions disposed in contact with an outer surface of the outer peripheral side wall across a central axis of the honeycomb structure portion; and a pair of terminal connecting portions formed on the outer peripheral side wall, each of the terminal connecting portions being at least partially covered with each of the electrode portions. Each of the electrode portions includes band-shape first, second and third electrode layers each having a predetermined electrical resistance.
    Type: Grant
    Filed: December 10, 2018
    Date of Patent: June 9, 2020
    Assignee: NGK Insulators, Ltd.
    Inventor: Takashi Noro
  • Patent number: 10662853
    Abstract: An engine exhaust device includes: a first catalyst; a second catalyst; and a connecting member shaped into a tube and forming a part of the exhaust path, and connecting the first catalyst to the second catalyst. A downstream end surface of the first catalyst and an upstream end surface of the second catalyst form a dihedral angle within a range from 60 degrees to 120 degrees. A part of the upstream end surface of the second catalyst is close to and faces a part of a side surface of the first catalyst. On a cross-section including a central axis of the first catalyst and being parallel to a central axis of a second catalyst, a length of the part of the side surface of the first catalyst is longer than or equal to 10% and shorter than 50% of an entire length of the first catalyst.
    Type: Grant
    Filed: December 1, 2017
    Date of Patent: May 26, 2020
    Assignee: MAZDA MOTOR CORPORATION
    Inventors: Taku Kuramashi, Keishi Kitabatake, Tamotsu Takamure, Toshiaki Kamo