Corning Incorporated

Other

Douglas Munroe Beall

Gregory A Merkel

Pushkar Tandon

Achim Karl-Erich Heibel

David John Thompson

Kenneth Richard Miller

Dana Craig Bookbinder

Christopher John Malarkey

Martin Joseph Murtagh

Devi Chalasani

Jianguo Wang

George Halsey Beall

Thomas William Brew

Shahid G Lakhwani

Suhao He

Isabelle Marie Melscoet-Chauvel

Vishwanath Deshmane

Dale Robert Powers

Ronald E Johnson

Linda Ruth Pinckney

Weiguo Miao

Tinghong Tao

Elizabeth Marie Vileno

David L Hickman

Thorsten Rolf Boger

Huiqing Wu

Priyank Paras Jain

Evelyn McGee DeLiso

Seth Thomas Nickerson

Xinfeng Xing

Sam George

Thomas Jean Glasson

Johnny Marcher

Matthew John Dejneka

Patrick David Tepesch

Sriram Rangarajan Iyer

Cameron Wayne Tanner

Thomas Richard Chapman

John Forrest Wight, Jr

Donald L Guile

Todd Parrish St Clair

Rodney I Frost

Izhar Zahoor Ahmed

Margaret Kathleen Faber

David Robertson Treacy, Jr

Alan Thomas Stephens, Ii

Min Shen

James Anthony Feldman

Douglas Richard Wing

Yves Andre Henri Brocheton

Mark Allen Spetseris

Pronob Bardhan

David Jack Bronfenbrenner

Y Lisa Peng

Kunal Upendra Sakekar

Yves Andre Brocheton

Gregg William Crume

Kenneth William Aniolek

Konstantin Vladimirovich Khodosevich

Brian E Stutts

Artemii Alexandrovitch Shamkin

Sandeep Viswanathan

Mahesh Govindareddy

Achim K Heibel

Christy Lynn Powell

David R Treacy

Hrushikesh Govindrao Pimpalgaonkar

Gregory Albert Merkel

Martin J Murtagh

Isabelle M Melscoet-Chauvel

Alan T Ii Stephens

Christy L Powell

An exhaust treatment method and apparatus for treating an exhaust stream flowing through an exhaust line housing in a downstream direction, the apparatus comprising a first particulate filter, an SCR unit, and a second particulate filter downstream of the SCR unit, all serially positioned in the exhaust line.

Exhaust treatment method and apparatus having particulate filters and SCR

A method of manufacturing a ceramic honeycomb structure by mixing a ceramic precursor batch composition having a median particle diameter less than or equal to about 10 μm and at least one starch-based pore former having a median particle diameter greater than or equal to about 10 μm. The method also includes forming a mixture of ceramic precursor batch composition and a starch-based pore former into a green ceramic structure having a web structure, and firing the green ceramic structure to yield a ceramic honeycomb structure.

High porosity ceramic honeycomb structure and method of manufacturing

An exhaust treatment apparatus for treating exhaust gas flowing through an exhaust line housing from an upstream location to a downstream location in a downstream direction, the exhaust treatment apparatus comprising a ceramic filter body having a honeycomb structure of a plurality of intersecting porous ceramic walls extending from a first end to a second end in an axial direction and defining a plurality of channels extending in the axial direction, wherein a first transverse face at the first end comprises metal oxide particles affixed to a portion of the intersecting walls. The metal oxide particles may be affixed to the upstream end, or the downstream end, or both the upstream and downstream ends. Preferably the metal oxide particles provide reinforcement to the underlying portion of the walls, and of the honeycomb structure itself.

Reinforced exhaust treatment article, exhaust line, and methods

A particulate filter having a honeycomb structure of a matrix of interconnected porous walls including inlet cells and outlet cells defining a plurality of inlet channels and outlet channels, respectively, wherein at least a portion of the outlet cells are larger than any of the inlet cells, and a cross-sectional shape of at least some of the outlet channels is rectangular. Honeycomb extrusion dies, honeycomb bodies, honeycomb structures, and methods of manufacture are described, as are other aspects.

Rectangular outlet honeycomb structures, particulate filters, extrusion dies, and method of manufacture thereof

A composite structure, exhaust aftertreatment system, and method of manufacture. The composite structure includes a body that includes an array of intersecting walls that form a plurality of channels extending in an axial direction through the body such that adjacent channels are located on opposite sides of each wall. A composite material of the body includes a first phase of a porous glass or ceramic containing material. The first phase includes an internal interconnected porosity. A second phase of an electrically conductive material is included that is a continuous, three-dimensional, interconnected, electrically conductive phase at least partially filling the internal interconnected porosity of the first phase, which creates an electrical path through at least some of the walls in a lateral direction perpendicular to the axial direction between the opposite sides of the walls.

Composite structures, heater apparatus, fast light-off exhaust aftertreatment systems, and methods of manufacturing and using same

Methods of manufacturing honeycomb-structure-forming extrusion dies having a number of slots for use in producing extruded articles having complex honeycomb patterns and extrusion dies for use in the manufacture of extruded honeycomb bodies. The method includes inserting a die insert having a runner and a number of teeth into a slot of an extrusion die such that each of the teeth blocks at least a portion of the slot of the extrusion die. The method further includes separating the runner from the teeth so that the teeth remain within the slot of the extrusion die.

Method of modifying a honeycomb-structure-forming extrusion die and modified extrusion dies

Ceramic honeycomb bodies with a matrix of intersecting walls having an interior portion with a first average bulk porosity, and a skin having a second average bulk porosity, wherein the second average bulk porosity is less than the first average bulk porosity. Methods of manufacturing a ceramic honeycomb bodies include providing a firing cycle for the ceramic honeycomb structure such that at least the skin of the honeycomb structure is subjected to a thermal spike in firing temperature while the interior portion of the matrix is subjected to a lesser spike in firing temperature.

Honeycomb bodies with controlled porosity gradient and firing methods thereof

A honeycomb body () including a plurality of radially-extending walls () intersecting with a plurality of circumferentially-extending walls (), the plurality of radially-extending walls () and the plurality of circumferentially-extending walls () form a plurality of circumferential zones (A,B,C) of cells (). The plurality of circumferential zones (A,B,C) of cells () includes a first zone of cells (A) including two or more first rings of cells () and having a first cell density, and a second zone of cells (B) including two or more rings of cells () having varying cell densities across the two or more rings of cells. Other structures and extrusion dies are disclosed.

Honeycomb bodies with varying cell densities and extrusion dies for the manufacture thereof

A coated ceramic honeycomb body comprising a honeycomb structure comprising a matrix of intersecting porous walls forming a plurality of axially-extending channels, at least some of the plurality of axially-extending channels being plugged to form inlet channels and outlet channels, wherein a total surface area of the outlet channels is greater than a total surface area of the inlet channels, and wherein a catalyst is preferentially located within the outlet channels, and preferentially disposed on non-filtration walls of the outlet channels. Methods and apparatus configured to preferentially apply a catalyst-containing slurry to the outlet channels and non-filtration walls are provided, as are other aspects.

Outlet-coated ceramic honeycomb bodies and methods of manufacturing same

A ceramic honeycomb structure having a web structure including a plurality of intersecting channel walls forming channels. The ceramic honeycomb structure has a total porosity greater than or equal to about 55%, an average channel wall thickness less than or equal to about 150 &#x3bc;m, a median pore diameter greater than or equal to about 10 &#x3bc;m, a dless than or equal to about 0.45, where d=(d&#x2212;d)/d, and a strength (MOR/CFA) greater than or equal to about 900 psi. A method of manufacturing a ceramic honeycomb structure by mixing a ceramic precursor batch composition having a median particle diameter less than or equal to about 10 &#x3bc;m and at least one starch-based pore former having a median particle diameter greater than or equal to about 10 &#x3bc;m. The method also includes forming a mixture of ceramic precursor batch composition and a starch-based pore former into a green ceramic structure having a web structure, and firing the green ceramic structure to yield a ceramic honeycomb structure.

Ceramic honeycomb bodies and methods for canning the bodies are disclosed herein. The honeycomb bodies comprise a porous ceramic honeycomb structure. The honeycomb structure comprises a network of cells defined by walls that extend in an axial direction about a longitudinal axis from an inlet end to an outlet end of the honeycomb structure. The honeycomb structure also comprises a portion of cells with protrusions. The portion of cells with protrusions supports a greater concentration of catalyst, as compared to a portion of cells without protrusions. The portion of cells with protrusions is disposed off-center with respect to the longitudinal axis of the honeycomb structure such that the portion of cells with protrusions (and greater concentration of catalyst) corresponds to areas of high exhaust flow through the structure.

Ceramic honeycomb bodies and method for canning thereof

A ceramic honeycomb body, suitable for use in exhaust gas processing, includes a honeycomb structure having a plurality of through-channels, a first portion of the plurality of through-channels have a first hydraulic diameter dh1, a second portion of the plurality of through-channels have a second hydraulic diameter that is smaller than the first hydraulic diameter dh1, the first hydraulic diameter dh1 is equal to or greater than 1.1 mm, and the first and second portions of through-channels, taken together, have a geometric surface area GSA greater than 2.9 mm. Diesel oxidation catalysts and methods of soot removal are also provided, as are other aspects.

Honeycomb bodies having an array of through channels with a range of hydraulic diameters

A honeycomb body with a honeycomb structure having an inner zone of a first plurality of walls and an outer zone of a second plurality of walls at least partially surrounding the inner zone. The honeycomb structure has Pi that is greater than Po and MPSi that is greater than MPSo, wherein Pi is an average bulk porosity of the first plurality of walls, Po is an average bulk porosity of the second plurality of walls, MPSi is a median pore size of pores in the first plurality of walls, and MPSo is a median pore size of pores in the second plurality of walls. Various honeycomb structures, honeycomb extrusion apparatus, and co-extrusion methods are disclosed.

Honeycomb bodies with multi-zoned honeycomb structures and co-extrusion manufacturing methods

A method and extrusion die to form a laminar integral skin of a honeycomb structure is provided. The method includes extruding a ceramic precursor batch through a die with feedholes in entry side and slots in exit face of the die to form the honeycomb structure. In a region on the periphery of the die configured to form the cell matrix, a series of concentric slots around the matrix in the exit face of the die are configured to feed skin onto the matrix. Ring sections between concentric slots are angled away from the center and a mask is disposed on top of the periphery producing a channel for extruded skin to meet and bond to extruded matrix. Optionally, slots in the skin-forming ring sections enhance knitting between laminar skin layers.

Ceramic honeycomb bodies, honeycomb extrusion dies, and methods of making ceramic honeycomb bodies

Growing community of inventors

Painted Post, NY, United States of America

Douglas Munroe Beall