Ceramic Or Sintered Patents (Class 55/523)
  • Patent number: 11224840
    Abstract: An object of the present invention is to provide an exhaust gas purification catalyst which can exhibit sufficient purification performance even under a high Ga condition. The present invention relates to an exhaust gas purification catalyst comprising a substrate and a catalyst coating layer formed on the substrate, wherein the catalyst coating layer comprises catalyst particles, the catalyst coating layer having an upstream region extending by 40 to 60% of the entire length of the substrate from an upstream end of the catalyst in the direction of an exhaust gas flow and a downstream region corresponding to the remainder portion of the catalyst coating layer, the composition of the catalyst particle of the upstream region being different from that of the downstream region.
    Type: Grant
    Filed: March 24, 2016
    Date of Patent: January 18, 2022
    Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, CATAIER CORPORATION
    Inventors: Hiromasa Suzuki, Masahide Miura, Yoshinori Saito, Satoru Katoh, Toshitaka Tanabe, Tetsuhiro Hirao, Tatsuya Ohashi, Hiroaki Naito, Hirotaka Ori, Michihiko Takeuchi, Keiichi Narita
  • Patent number: 11214524
    Abstract: A honeycomb structure includes a plurality of prismatic columnar shaped honeycomb segments; a bonding layer bonding side faces of the honeycomb segments; and a circumferential wall disposed to surround a honeycomb segment bonded body having the honeycomb segments arranged in a grid pattern and bonded with the bonding layer, wherein the honeycomb segments has a porous partition wall disposed to surround a plurality of cells, the cells in other than outermost circumference have a hexagonal shape in a section orthogonal to the cell extending direction, the honeycomb segments include first and second honeycomb segment, the second honeycomb segment is different from the first in at least one of: a shape in the section; a size; and an arrangement direction of the cells and an extended line of one diagonal line imaginarily depicted in the cells in the first honeycomb segment and that in the second are configured to be orthogonal.
    Type: Grant
    Filed: March 9, 2020
    Date of Patent: January 4, 2022
    Assignee: NGK Insulators, Ltd.
    Inventors: Hirotaka Yamamoto, Yudai Kurimoto
  • 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: 11174178
    Abstract: A method includes mixing seawater with a two-part additive system configured to precipitate sulfate from the seawater; removing the sulfate precipitates from the seawater; and delivering the seawater into an oilfield reservoir.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: November 16, 2021
    Assignee: Saudi Arabian Oil Company
    Inventors: Katherine Leigh Hull, Brent Cooper, Ghaithan A. Al-Muntasheri
  • Patent number: 11167279
    Abstract: A plugged honeycomb structure, including: a pillar-shaped honeycomb structure body including porous partition walls; and plugging portions disposed at open ends of cells at an inflow end face side or at an outflow end face side, wherein a pore diameter corresponding to the cumulative pore volume of 10% is D10, a pore diameter corresponding to the cumulative pore volume of 30% is D30, a pore diameter corresponding to the cumulative pore volume of 50% is D50, a pore diameter corresponding to the cumulative pore volume of 70% is D70, a pore diameter corresponding to the cumulative pore volume of 90% is D90, the pore diameter D10 is 6 ?m or more, the pore diameter D90 is 58 ?m or less, and the plugged honeycomb structure satisfies the relationship of Expression (1). 0.35?(D70?D30)/D50?1.
    Type: Grant
    Filed: February 27, 2018
    Date of Patent: November 9, 2021
    Assignee: NGK Insulators, Ltd.
    Inventor: Tatsuyuki Kuki
  • Patent number: 11168601
    Abstract: Clamping apparatus is provided including clamp means for clamping two or more items together in use. The clamping means are arranged to move between a clamped and an unclamped position in use. Attachment means are provided on or associated with the clamping means for attaching one or more components to said clamping means in use. The components consist of any or any combination of one or more sensor means, one or more dispensing means or one or more electronic components. The clamping means includes at least one band member. The at least one band member forms an outer band and the attachment means are provided on or associated with at least an additional band member in the form of an inner band or segment that is provided with or associated with the outer band.
    Type: Grant
    Filed: March 21, 2018
    Date of Patent: November 9, 2021
    Assignee: TECONNEX LTD.
    Inventor: Darren Bean
  • Patent number: 11156241
    Abstract: A diffuser has a cylindrical wall and an arcuate end wall located at an end of the cylindrical wall. The cylindrical wall has a first lattice structure formed of a first plurality of triply periodic surfaces that are periodic in cylindrical coordinates, the first lattice structure having a plurality of passages that extend between an inner surface of the cylindrical wall and an outer surface of the cylindrical wall. The arcuate end wall has a second lattice structure formed of a second plurality of triply periodic surfaces that are periodic in spherical coordinates, the second lattice structure having a plurality of passages that extend between an inner surface of the arcuate end wall and an outer surface of the arcuate end wall.
    Type: Grant
    Filed: March 25, 2020
    Date of Patent: October 26, 2021
    Assignee: FISHER CONTROLS INTERNATIONAL LLC
    Inventors: Daniel J. Eilers, Kyle Thomas McNulty
  • Patent number: 11149604
    Abstract: An exhaust gas purification catalyst device includes a honeycomb base material and an inlet-side coat layer, wherein: the honeycomb base material includes a plurality of cells partitioned by porous partition walls, the plurality of cells including inlet-side cells and outlet-side cells and being configured such that exhaust gas that has flowed into the inlet-side cells passes through the partition walls and is exhausted from the outlet-side cells; and the inlet-side coat layer is present on the surface sides of the partition walls of the inlet-side cells, with the proportion of 4-9 ?m through-pores in the through-pore diameter distribution of the partition walls being at least 80 vol %, and the peak pore diameter measured using a mercury porosimeter being at least 3.0 ?m greater than the peak through-pore diameter measured using a perm porometer.
    Type: Grant
    Filed: March 30, 2018
    Date of Patent: October 19, 2021
    Assignee: CATALER CORPORATION
    Inventor: Ko Sugawara
  • Patent number: 11137237
    Abstract: A device includes a cylindrical lattice structure inside of a cylindrical tube. The cylindrical lattice structure includes compartmentalized one or more longitudinal flowable paths formed by an additive manufacturing process. A material is introduced in a flowable state into one or more upper apertures of the one or more longitudinal flowable paths to fill the cylindrical lattice structure in a compartmentalized arrangement that provides stiffness to the device.
    Type: Grant
    Filed: September 23, 2020
    Date of Patent: October 5, 2021
    Assignee: United States of America as represented by the Secretary of the Air Force
    Inventors: Philip J. Flater, IV, Charles M. Jenkins
  • Patent number: 11130131
    Abstract: An engineered unit cell is disclosed for flowing a fluid therethrough in three dimensions. The unit cell may have a substrate with a plurality of flow channels around and between struts formed within the substrate. The struts may each be formed with a desired shape and orientation within the substrate to achieve a desired degree of fluid flow through the flow channels, in each of one of three dimensions, through the unit cell.
    Type: Grant
    Filed: September 26, 2019
    Date of Patent: September 28, 2021
    Assignee: Lawrence Livermore National Security, LLC
    Inventors: Joshua R. Deotte, Sarah Baker, Eric Duoss, Jennifer Marie Knipe, Fang Qian, Samantha Ruelas
  • Patent number: 11118493
    Abstract: An electric heating type support includes: a pillar shaped honeycomb structure being configured to a ceramic, 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 extending from one end face to other end face to form a flow path; an electrode layer disposed on a surface of the outer peripheral wall of the pillar shaped honeycomb structure; two or more underlayers having conductivity, the underlayers being provided on the electrode layer so as to be spaced apart from each other; and a metal electrode provided on the underlayers. A surface of each of the underlayers has a concave portion forming a space between each of the underlayers and the metal electrode.
    Type: Grant
    Filed: August 10, 2020
    Date of Patent: September 14, 2021
    Assignee: NGK Insulators, Ltd.
    Inventors: Naoki Okamoto, Naoya Takase
  • Patent number: 11071937
    Abstract: A ceramic porous body includes skeleton portions; and pore portions formed between the skeleton portions, the pore portions being capable of allowing a fluid to flow therethrough. In a cross section parallel to a flow direction of the fluid, the skeleton portions have a ratio of a skeleton length of 40 ?m or more of 15% or less in a direction orthogonal to the flow direction of the fluid.
    Type: Grant
    Filed: March 26, 2019
    Date of Patent: July 27, 2021
    Assignee: NGK Insulators, Ltd.
    Inventors: Masaki Ishikawa, Takahiro Tomita, Kenji Morimoto
  • Patent number: 10994236
    Abstract: A honeycomb filter includes a pillar-shaped honeycomb structure having porous partition walls placed, surrounding a plurality of cells which serve as fluid through channels extending from an inflow end face to an outflow end face; and porous plugging portions provided either at the ends on the inflow end face side of the cells or at the ends on the outflow end face side of the cells, wherein the plugging portions include plugging portions that have voids therein, and in the plugging portions having the voids, porosity including the voids as pores ranges from 68% to 83%.
    Type: Grant
    Filed: March 11, 2020
    Date of Patent: May 4, 2021
    Assignee: NGK Insulators, Ltd.
    Inventors: Kimiko Kishine, Fumihiko Yoshioka
  • Patent number: 10981113
    Abstract: Provided is an exhaust gas purification catalyst body that can improve exhaust gas purification performance while maintaining favorable PM collection performance. The exhaust gas purification catalyst body includes a base of a wall flow structure having an inlet side cell, an outlet side cell, and porous partition wall, and a catalyst layer that is formed in the partition wall that is in contact with the inlet side cell or the outlet side cell. The catalyst layer is formed in a region of at least 50% of the thickness of the partition wall from a surface of the partition wall, and held on the surface of internal pores in the partition wall in the region.
    Type: Grant
    Filed: September 3, 2018
    Date of Patent: April 20, 2021
    Assignee: CATALER CORPORATION
    Inventors: Ryota Onoe, Yosuke Toda, Taku Miura
  • Patent number: 10974187
    Abstract: A honeycomb filter includes a pillar-shaped honeycomb structure having porous partition walls provided, surrounding a plurality of cells which serve as fluid through channels extending from an inflow end face to an outflow end face, and porous plugging portions provided either at the ends on the inflow end face side or the outflow end face side of the cells, wherein the plugging portions are composed of a porous material, the honeycomb structure has a central region and a circumferential region, and a ratio of an area of the circumferential region with respect to that of the central region ranges from 0.1 to 0.5, porosity of a central plugging portion in the central region, is higher than that of a circumferential plugging portion in the circumferential region, and the porosity of the central plugging portion ranges from 76% to 85%, and that of the circumferential plugging portion from 60% to 75%.
    Type: Grant
    Filed: March 11, 2020
    Date of Patent: April 13, 2021
    Assignee: NGK Insulators, Ltd.
    Inventor: Fumihiko Yoshioka
  • Patent number: 10941051
    Abstract: A liquid filter apparatus and system is provided. The liquid filter apparatus and system is especially suitable for purifying water. The apparatus and system may have a solid portion and/or a porous filter portion called a monolithic unit. The present apparatus and system is suitable for providing clean water for drinking, cooking, washing and other household, public, medical, agricultural and industrial uses. The present apparatus and system utilizes anti-bacterial, anti-viral, anti-fungal, anti-mold and/or other cleansing elements to purify the liquid. The liquid passing through the system must pass through the monolithic unit which is solid and porous therein contacting the antimicrobial material and/or antimicrobial components located within the monolithic unit. The apparatus and system provide a high hydraulic conductivity as a result of the solid and porous nature of the monolithic unit.
    Type: Grant
    Filed: March 31, 2019
    Date of Patent: March 9, 2021
    Inventors: Marc Kenneth Chason, Rick Latella, Dan Gamota, J Richard Schorr, Suvankar Sengupta, Ramachandra Revur, Timothy A. Marth
  • Patent number: 10940419
    Abstract: A honeycomb filter including: a pillar-shaped honeycomb structure including porous partition walls; and porous plugging portions disposed on either one of end portions of each of the cells, wherein a porosity (%) of the partition walls is defined as P1, a porosity (%) of the plugging portions is defined as P2, an occupancy (%) of the partition walls relative to an area of a cross section orthogonal to an extending direction of the cells of the honeycomb structure is defined as N1, the P1 is 50 to 65%, the P2 is 60 to 70%, the N1 is 22 to 39%, and X represented by Formula (1) satisfies a relation of Formula (2): X=P1/P2×N1,??Formula (1): 18.80??0.19X2+11.33X?121.63?50.50.
    Type: Grant
    Filed: March 11, 2019
    Date of Patent: March 9, 2021
    Assignee: NGK Insulators, Ltd.
    Inventor: Yoshiki Konno
  • Patent number: 10940421
    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 31, 2018
    Date of Patent: March 9, 2021
    Assignee: Corning Incorporated
    Inventors: Douglas Munroe Beall, Dana Craig Bookbinder, Pushkar Tandon
  • Patent number: 10934910
    Abstract: An exhaust gas cleaning catalyst that has: a substrate having a wall flow structure, wherein an entry side cell, in which the end part on an exhaust gas inflow side is open, and an exit side cell, in which the end part on the exhaust gas outflow side is open, are divided by a porous dividing wall; and a first catalyst layer that includes a metal catalyst and is disposed within the dividing wall so as to be in contact with the exit side cell and not in contact with the entry side cell, and no catalyst layer is provided in the region in contact with the entry side cell.
    Type: Grant
    Filed: March 16, 2018
    Date of Patent: March 2, 2021
    Assignee: CATALER CORPORATION
    Inventors: Haruka Makino, Yasutaka Nomura, Satoru Inoda, Sho Hoshino, Ryota Onoe
  • Patent number: 10918987
    Abstract: A particulate filter for exhaust-gas aftertreatment in an internal combustion engine has a housing on which an inlet and an outlet are configured on opposite ends. The particulate filter also has a filter element arranged in the housing, said filter element having essentially parallel filter channels that are each alternatingly closed on the inlet side or on the outlet side by a closure in order to prevent gas from passing directly through the filter element. In this context, the filter channels can be divided into a first group of filter channels which are closed on the outlet side by a closure, and into a second group of filter channels which are closed on the inlet side by a gas-tight closure. The filter channels of the second group are additionally closed on the outlet side by a high-porosity closure in order to improve the cleaning effect of the particulate filter.
    Type: Grant
    Filed: February 22, 2019
    Date of Patent: February 16, 2021
    Assignee: VOLKSWAGEN AKTIENGESELLSCHAFT
    Inventors: Onur Ulas Car, Markus Paulovsky
  • Patent number: 10883401
    Abstract: An exhaust gas purification filter comprises: a casing; a porous dividing wall which partitions the inside of the casing into a honeycomb shape; and cells enclosed by the dividing wall. A pore path length distribution of the dividing wall, when expressed by a frequency histogram per 10 ?m of the pore path length of the dividing wall, has an integrated frequency of at least 58%. The integrated frequency is a maximum value of a value obtained by summing the frequencies of a total of three adjacent levels which include the maximum peak frequency. The dividing wall preferably has a gas permeability coefficient k of at least 0.8×10?12 m2.
    Type: Grant
    Filed: December 12, 2019
    Date of Patent: January 5, 2021
    Assignee: DENSO CORPORATION
    Inventor: Mikio Ishihara
  • Patent number: 10767525
    Abstract: A plugged honeycomb structure has a plurality of cells defined by partition walls to become through channels for fluid, one end of each of the predetermined cells is plugged by a plugging member, the other end of each of the residual cells is plugged by the plugging member, the partition wall is made of a cordierite component as a main component, and a value obtained by dividing Young's modulus of a plugging structure portion formed by the partition walls and the plugging member by Young's modulus of a cell structure portion formed by the partition walls is in a range of 1.05 to 2.00.
    Type: Grant
    Filed: February 8, 2017
    Date of Patent: September 8, 2020
    Assignee: NGK Insulators, Ltd.
    Inventors: Takayoshi Shibayama, Masaki Houra, Takayuki Sakamoto, Hiroyuki Suenobu
  • Patent number: 10696010
    Abstract: A plugged honeycomb structure includes: a plurality of honeycomb segments, a bonding layer, and a plugging portions to plug open ends of cells of each of the honeycomb segments. The honeycomb segment is configured so that the cells having at least two kinds of different shapes are disposed in a cross section orthogonal to an extension direction of the cells, the honeycomb segment has a center region and an circumferential region located in the circumference of the center region, the center region has a cell arrangement pattern such that inflow cells surround one outflow cell, in the inflow end face of the honeycomb segment, the circumferential region has an open frontal area that is smaller than an open frontal area of the center region, the segment circumferential wall of the honeycomb segment and the bonding layer have a special thickness.
    Type: Grant
    Filed: August 24, 2016
    Date of Patent: June 30, 2020
    Assignee: NGK Insulators, Ltd.
    Inventors: Kazuya Mori, Toshihiro Hirakawa
  • Patent number: 10675591
    Abstract: A honeycomb structure comprising: a honeycomb structure body that includes a plurality of porous partition walls and intersection parts, and a catalyst layer, wherein the porosity of the partition wall is 20 to 70%, the average pore diameter of the pores in the partition wall is 1 to 60 ?m, a plurality of the partition walls includes a notched partition wall having a recessed part in which at least one end is notched, the ratio of the notched partition wall in the partition walls is 1 to 100%, the recessed part of the notched partition wall has a depth of 10 to 200% of the standard length, and the recessed part of the notched partition wall is a part having a width of 33 to 100% of the standard width.
    Type: Grant
    Filed: March 21, 2017
    Date of Patent: June 9, 2020
    Assignee: NGK Insulators, Ltd.
    Inventors: Yudai Kurimoto, Shogo Hirose, Takahiro Kondo
  • Patent number: 10669915
    Abstract: A system for determining accumulation of Silicone dioxide (SiO2) in an aftertreatment system of an engine includes a pressure sensor arrangement having at least one pressure sensor therein. The pressure sensor is fluidly coupled to an exhaust pipe associated with the aftertreatment system. A controller is disposed in communication with the pressure sensor. The controller is configured to monitor back pressure of the aftertreatment system from at least one signal output by the pressure sensor arrangement and determine a level of accumulation of Sift in the aftertreatment system based on the monitored back pressure of the aftertreatment system. Based on the determination of the level of accumulation of Sift in the aftertreatment system by the controller, the controller outputs a signal to a notification device for facilitating the notification device to notify an operator of the level of accumulation of SiO2 in the aftertreatment system.
    Type: Grant
    Filed: October 10, 2018
    Date of Patent: June 2, 2020
    Assignee: Caterpillar Inc.
    Inventors: John B. Edelin, Daniel A. Cockman, II, Gavin D. O. Ripley
  • Patent number: 10655526
    Abstract: A support for an electric heating type catalyst comprises: a honeycomb structure having partition walls that define a plurality of cells, each of cells extending from one end face to other end face to form a fluid path for a fluid; and a pair of electrode layers formed on a side surface of the honeycomb structure, the pair of electrode layers being arranged so as to face each other across a center of the honeycomb structure. The pair of electrode layers is electrically connected to the honeycomb structure. The honeycomb structure side of each of the electrode layers comprises a portion having a thermal expansion coefficient lower than that of the honeycomb structure.
    Type: Grant
    Filed: October 30, 2019
    Date of Patent: May 19, 2020
    Assignee: NGK Insulators, Ltd.
    Inventors: Naoki Okamoto, Takayuki Inoue
  • Patent number: 10605468
    Abstract: A flow sensing ozone converter includes an inlet housing, an outlet housing, and an ozone converter core. The flow sensing ozone converter integrates flow sensing and oxygen removal components. The inlet housing is provided with an inlet housing flange. The outlet housing is provided with an outlet housing flange. The ozone converter core is at least partially received within the inlet housing. The ozone converter is provided with an ozone converter flange that abuts the inlet housing flange and the outlet housing flange.
    Type: Grant
    Filed: November 28, 2017
    Date of Patent: March 31, 2020
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventors: Donald E. Army, Gregory L. DeFrancesco, Thomas M. Zywiak
  • Patent number: 10589204
    Abstract: Three dimensional nanoparticle filters are provided herein. In one embodiment a filter device includes a base material, alternating layers of sacrificial material between layers of structural material being deposited onto the base material to create a layered base material, and filter sidewalls etched into the deposited alternating layers of the layered base material to remove the layers of sacrificial material between the layers of structural material to form filter slots in the filter sidewalls as well as create channels between the filter sidewalls, where a size of the filter slots is selectable based on a thickness of the layers of sacrificial material utilized.
    Type: Grant
    Filed: January 8, 2018
    Date of Patent: March 17, 2020
    Assignee: Imagine TF, LLC
    Inventor: Brian Edward Richardson
  • Patent number: 10556833
    Abstract: A ceramic honeycomb filter comprising a ceramic honeycomb structure having pluralities of flow paths partitioned by porous cordierite cell walls, and plugs formed in predetermined flow paths of the ceramic honeycomb structure; the plugs being formed by ceramic particles and an amorphous oxide matrix existing between the ceramic particles; in a cross section of the plugs, an area ratio A1 of the amorphous oxide matrix in a longitudinal range of ?×t from one end, and an area ratio A2 of the amorphous oxide matrix in a longitudinal range of ?×t from the other end meeting the relation of ½?A1/A2?2, wherein t represents the length of the plug in a direction perpendicular to the longitudinal direction of the plug.
    Type: Grant
    Filed: January 11, 2018
    Date of Patent: February 11, 2020
    Assignee: HITACHI METALS, LTD.
    Inventors: Atsuhiro Noguchi, Wataru Soga
  • Patent number: 10532407
    Abstract: A porous copper sintered material (10) includes: a plurality of copper fibers (11) sintered each other, wherein the copper fibers (11) are made of copper or copper alloy, a diameter R of the copper fibers (11) is in a range of 0.02 mm or more and 1.0 mm or less, and a ratio L/R of a length L of the copper fibers to the diameter R is in a range of 4 or more and 2500 or less (11), redox layers (12) formed by redox treatment are provided on surfaces of copper fibers (11, 11), and concavities and convexities are formed by the redox layer (12), and each of redox layers (12, 12) formed on each of the copper fibers (11) is integrally bonded in a junction of the copper fibers (11).
    Type: Grant
    Filed: October 21, 2015
    Date of Patent: January 14, 2020
    Assignee: MITSUBISHI MATERIALS CORPORATION
    Inventors: Koichi Kita, Koji Hoshino, Toshihiko Saiwai, Jun Katoh
  • Patent number: 10358626
    Abstract: Provided herein are tubular membrane filter elements, tangential flow filtration systems comprising such filter elements and methods of using such filter elements and filtration systems.
    Type: Grant
    Filed: April 12, 2017
    Date of Patent: July 23, 2019
    Assignee: Artemis Biosystems, Inc.
    Inventors: Maurizio V. Cattaneo, Remco A. Spanjaard
  • Patent number: 10316722
    Abstract: A co-catalyst system for the removal of NOx from an exhaust gas stream has a layered oxide and a spinel of formula Ni0.15Co0.85CoAlO4. The system converts to nitric oxide to nitrogen gas with high product specificity. The layered oxide is configured to convert NOx in the exhaust gas stream to an N2O intermediate, and the spinel is configured to convert the N2O intermediate to N2.
    Type: Grant
    Filed: March 31, 2017
    Date of Patent: June 11, 2019
    Assignee: Toyota Motor Engineering & Manufacturing North America, Inc.
    Inventors: Michael Paul Rowe, Torin C. Peck, Michael Jones
  • Patent number: 10213749
    Abstract: A separation membrane structure comprising a porous support, a first glass seal, and a separation membrane. The porous support includes through-holes which connect a first end surface and a second end surface. The first glass seal is configured to cover the first end surface. The separation membrane is formed on an inner surface of the through-holes. The first glass seal has a first seal body part and a first extension part. The first seal body part is disposed on the first end surface. The first extension part is connected to the first seal body part and disposed on the inner surface of the through-holes. The separation membrane has a first connection part connected to the first extension part of the first glass seal. A first thickness of the first connection part is less than or equal to 10 microns, and less than or equal to 3.2 times a center thickness at a longitudinal center of the separation membrane.
    Type: Grant
    Filed: May 1, 2017
    Date of Patent: February 26, 2019
    Assignee: NGK Insulators, Ltd.
    Inventors: Makoto Miyahara, Makiko Ichikawa, Naoto Kinoshita
  • Patent number: 10209163
    Abstract: A separator comprising: a first and second chamber, wherein the chambers are generally vertically disposed and parallel to each other; and the chambers have an upper end and a lower end; and the separator comprises an upper body and a lower body, wherein the upper ends are disposed in communication with the upper body, and the lower ends are disposed in communication with the lower body. Further disclosed is a single-chamber separator including a cooler. The cooler surrounds a portion of the chamber, and includes a coolant inlet disposed on a bottom surface, and a coolant outlet disposed on a top surface, and further includes baffles for directing coolant flow in a back and forth manner inside of the cooler. Also disclosed is a dual-chamber separator including a plurality of filters. The filters are disposed in the chambers in surrounding relationship to the tubes.
    Type: Grant
    Filed: October 12, 2017
    Date of Patent: February 19, 2019
    Assignee: KINETIC SEPERATION TECHNOLOGIES LLC
    Inventor: Glenn Sheffield
  • Patent number: 10166500
    Abstract: An exhaust gas treating device includes a honeycomb structure including an inner honeycomb structure body, an outer honeycomb structure body disposed at a position which surrounds a part of a circumference of the inner honeycomb structure body and is away from the inner inflow end face of the inner honeycomb structure body, and plugging portions arranged in parts of cells; a can member which stores the honeycomb structure and has an inlet and a second outlet for an exhaust gas; and an opening/closing valve to open and close the second outlet of the can member.
    Type: Grant
    Filed: August 26, 2016
    Date of Patent: January 1, 2019
    Assignee: NGK Insulators, Ltd.
    Inventor: Takashi Aoki
  • Patent number: 10166512
    Abstract: There is provided a method for cleaning a ceramic filter which can shorten an operation time required to clean the ceramic filter. The method for cleaning the ceramic filter includes: reducing a pressure of a space on a secondary side of the uncleaned ceramic filter, while supplying a cleaning medium to a space on a primary side of the uncleaned ceramic filter, thereby passing the cleaning medium through the ceramic uncleaned filter, so that the uncleaned ceramic filter is cleaned.
    Type: Grant
    Filed: October 23, 2013
    Date of Patent: January 1, 2019
    Assignee: NGK Insulators, Ltd.
    Inventors: Akimasa Ichikawa, Hideyuki Suzuki, Ichiro Wada
  • Patent number: 10155189
    Abstract: An exhaust gas treating device includes a honeycomb structure including an inner honeycomb structure body including a honeycomb substrate having porous inner partition walls and a circumferential wall disposed at a circumference of the honeycomb substrate, an outer honeycomb structure body disposed at a position which surrounds a part of a circumference of the inner honeycomb structure body and is away from the inner inflow end face, and plugging portions; and a can member storing the honeycomb structure. The can member includes an inflow tube and a barrel portion which is continuous with the inflow tube, and in the barrel portion an outlet is formed, the honeycomb structure is stored in the can member in a state of having a clearance between a second end face and the can member and having a clearance between the outer outflow end face and the can member.
    Type: Grant
    Filed: August 26, 2016
    Date of Patent: December 18, 2018
    Assignee: NGK Insulators, Ltd.
    Inventor: Takashi Aoki
  • Patent number: 10089416
    Abstract: An additive manufacturing process for building a three-dimensional part, which includes applying a layer of one or more powder-based metals onto or over a substrate, selectively melting and/or sintering the powder-based metals to produce a layer of the three-dimensional part, and repeating these steps such that the built three-dimensional part includes one or more self-supporting internal passageways, and which preferably precludes the need for internal support structures for the internal passageways.
    Type: Grant
    Filed: March 12, 2015
    Date of Patent: October 2, 2018
    Assignee: Stratasys, Inc.
    Inventors: William Cody DuBose, Frederick Carl Claus, Andrew Carter, Bryan Joshua Lee Bedal
  • Patent number: 9981255
    Abstract: A ceramic honeycomb structure comprising large numbers of cells partitioned by porous cell walls, the cell walls having (a) porosity of 50-80%, and when measured by mercury porosimetry, (b) a median pore diameter being 25-50 ?m, (c) (i) a cumulative pore volume in a pore diameter range of 20 ?m or less being 25% or less of the total pore volume, (ii) a cumulative pore volume in a pore diameter range of more than 20 ?m and 50 ?m or less being 50% or more of the total pore volume, and (iii) a cumulative pore volume in a pore diameter range of more than 50 ?m being 12% or more of the total pore volume.
    Type: Grant
    Filed: March 31, 2014
    Date of Patent: May 29, 2018
    Assignee: HITACHI METALS, LTD.
    Inventor: Shunji Okazaki
  • Patent number: 9868670
    Abstract: Disclosed are ceramic bodies comprised of composite cordierite-mullite-aluminum magnesium titanate (CMAT) ceramic compositions having high cordierite-to-mullite ratio and methods for the manufacture of same.
    Type: Grant
    Filed: September 5, 2014
    Date of Patent: January 16, 2018
    Assignee: Corning Incorporated
    Inventors: Monika Backhaus-Ricoult, Patrick David Tepesch, Bryan Ray Wheaton
  • Patent number: 9856177
    Abstract: Porous ceramic honeycomb articles for use as particulate filters and processes for making the same are described herein. The porous ceramic honeycomb articles include a fired cordierite body. The fired cordierite body has a microcrack parameter (Nb3) of about 0.05 to about 0.25 prior to exposure to a microcracking condition. After exposure to the microcracking condition, the fired cordierite body has a microcrack parameter (Nb3) at least 20% greater than the microcrack parameter prior to exposure to the microcracking condition. The fired cordierite body has a coefficient of thermal expansion (CTE) of about 7.0×10?7/° C. to about 15.0×10?7/° C. over from about 25° C. to about 800° C. prior to exposure to the microcracking condition and a coefficient of thermal expansion of about 1.0×10?7/° C. to about 10.0×10?7/° C. over from about 25° C. to about 800° C. after exposure to the microcracking condition. The microcrack parameter may include a thermal cycle or a chemical treatment.
    Type: Grant
    Filed: May 28, 2010
    Date of Patent: January 2, 2018
    Assignee: Corning Incorporated
    Inventors: Weiguo Miao, Jianguo Wang
  • Patent number: 9835526
    Abstract: A separator comprising: a first and second chamber, wherein the chambers are generally vertically disposed and parallel to each other; and the chambers have an upper end and a lower end; and the separator comprises an upper body and a lower body, wherein the upper ends are disposed in communication with the upper body, and the lower ends are disposed in communication with the lower body. Further disclosed is a single-chamber separator including a cooler. The cooler surrounds a portion of the chamber, and includes a coolant inlet disposed on a bottom surface, and a coolant outlet disposed on a top surface, and further includes baffles for directing coolant flow in a back and forth manner inside of the cooler. Also disclosed is a dual-chamber separator including a plurality of filters. The filters are disposed in the chambers in surrounding relationship to the tubes.
    Type: Grant
    Filed: November 13, 2014
    Date of Patent: December 5, 2017
    Assignee: KINETIC SEPARATION TECHNOLOGIES LLC
    Inventor: Glenn Sheffield
  • Patent number: 9822041
    Abstract: Various embodiments are directed to ceramic articles. The ceramic articles include a fired ceramic honeycomb body having a plurality of cell channels and at least one plug disposed in at least one cell channel of the fired ceramic honeycomb body. The at least one plug includes a refractory filler, an inorganic binder, and an organic binder. The refractory filler comprises particles having a d50 in the range from about 10 ?m to about 40 ?m, and a d90 less than about 110 ?m.
    Type: Grant
    Filed: January 18, 2017
    Date of Patent: November 21, 2017
    Assignee: Corning Incorporated
    Inventors: Keith Norman Bubb, Anthony Joseph Cecce, Thomas Richard Chapman
  • Patent number: 9764991
    Abstract: Porous aluminum-containing ceramic bodies are treated to form acicular mullite crystals onto the surfaces of their pores. The crystals are formed by contacting the body with a fluorine-containing gas or a source of both fluorine and silicon atoms to form fluorotopaz at the surface of the pores, and then decomposing the fluorotopaz to form acicular mullite crystals. This process allows the surface area of the ceramic body to be increased significantly while retaining the geometry (size, shape, general pore structure) of the starting body. The higher surface area makes the body more efficient as a particulate filter and also allows for easier introduction of catalytic materials.
    Type: Grant
    Filed: November 7, 2012
    Date of Patent: September 19, 2017
    Assignee: DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Aleksander J. Pyzik, Nicholas M. Shinkel, Robin P. Ziebarth
  • Patent number: 9708958
    Abstract: A cordierite-type ceramic honeycomb structure having large numbers of flow paths partitioned by porous cell walls; the cell walls having (a) porosity of more than 65% and 75% or less, (b) in a pore diameter distribution measured by mercury porosimetry, (i) a pore diameter d10 at a cumulative pore volume corresponding to 10% of the total pore volume being less than 50 ?m, a pore diameter (median pore diameter) d50 at 50% being 18-27 ?m, a pore diameter d90 at 90% being 10 ?m or more, and (d10?d90)/d50 being 2.3 or less; (ii) ?[=log(d20)?log(d80)] being 0.
    Type: Grant
    Filed: September 24, 2014
    Date of Patent: July 18, 2017
    Assignee: HITACHI METALS, LTD.
    Inventor: Shunji Okazaki
  • Patent number: 9687785
    Abstract: Provided is a diesel particulate filter capable of removing soot from an exhaust gas while operating at low backpressure, the filter comprising (a) a wall-flow filter substrate having a mean pore size, an inlet side, an outlet side, and a porous interior between the inlet and outlet sides; and (b) a catalyst composition coated from the outlet side of the substrate, wherein the catalyst composition has a d50 particle size distribution, wherein the d50 particle size distribution is greater than or equal to the mean pore size divided by 4.9, and wherein the inlet side is substantially free of a catalyst coating.
    Type: Grant
    Filed: May 30, 2014
    Date of Patent: June 27, 2017
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Hai-Ying Chen, Debnath De, Wendy Manning, Julian Peter Cox
  • Patent number: 9687786
    Abstract: Provided is a diesel particulate filter capable of removing soot from an exhaust gas while operating at low backpressure, the filter comprising (a) a wall-flow filter substrate having a mean pore size, an inlet side, an outlet side, and a porous interior between the inlet and outlet sides; and (b) a catalyst composition coated from the inlet side of the substrate, wherein the catalyst composition has a d50 particle size distribution, wherein the d50 particle size distribution is less than the mean pore size divided by 4.9, and wherein the outlet side is substantially free of a catalyst coating.
    Type: Grant
    Filed: May 30, 2014
    Date of Patent: June 27, 2017
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Hai-Ying Chen, Debnath De, Wendy Manning, Julian Peter Cox
  • Patent number: 9688583
    Abstract: A composite material that increases in temperature upon exposure to electromagnetic radiation includes single crystal silicon carbide whiskers and fibrils in a matrix material. Also disclosed are heat-generating objects that include the composite material, and a method of generating heat.
    Type: Grant
    Filed: August 29, 2007
    Date of Patent: June 27, 2017
    Assignee: Advanced Composite Materials, LLC
    Inventors: Thomas E. Quantrille, William M. Rogers
  • Patent number: 9657625
    Abstract: Provided are selective catalytic reduction catalytic articles, emission treatment systems and methods for simultaneously remediating the nitrogen oxides (NOx), particulate matter, and gaseous hydrocarbons present in diesel engine exhaust streams. The catalytic articles have a Selective Catalytic Reduction (SCR) catalyst uniformly coated over the outlet portion of wall flow filter walls resulting in reduction of NO2 and combustion of the soot without substantially increasing the system backpressure.
    Type: Grant
    Filed: November 10, 2010
    Date of Patent: May 23, 2017
    Assignee: BASF Corporation
    Inventors: R. Samuel Boorse, Martin Dieterle
  • Patent number: 9605576
    Abstract: A mounting mat for a pollution control device is disclosed. The device comprises at least a first sheet and a second sheet and at least one holding means for holding the at least first and second sheets together. The holding means are adapted to (i) hold the at least first and second sheets together while allowing movement of the at least first and second sheets parallel to each other in the region where the holding means is positioned; and/or (ii) to break upon wrapping around a body thereby allowing movement of the at least first and second sheets parallel to each other in the region where the holding means is positioned. A pollution control device containing such a mat and method of making a pollution control device containing such a mat are also disclosed.
    Type: Grant
    Filed: September 17, 2010
    Date of Patent: March 28, 2017
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Ulrich Kunze, Stefan R. Reimann, Harald H. Krieg