Patents by Inventor Achim Karl-Erich Heibel
Achim Karl-Erich Heibel has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20230365472Abstract: 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.Type: ApplicationFiled: July 25, 2023Publication date: November 16, 2023Inventors: Douglas Munroe Beall, Achim Karl-Erich Heibel, Konstantin Vladimirovich Khodosevich, Kenneth Richard Miller, Hrushikesh Govindrao Pimpalgaonkar, Kunal Upendra Sakekar, Min Shen, Todd Parrish St Clair
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Publication number: 20230358154Abstract: 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 ?m and at least one starch-based pore former having a median particle diameter greater than or equal to about 10 ?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.Type: ApplicationFiled: July 6, 2023Publication date: November 9, 2023Inventors: Douglas Munroe Beall, Achim Karl-Erich Heibel, David John Thompson
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Publication number: 20230294324Abstract: 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.Type: ApplicationFiled: April 14, 2023Publication date: September 21, 2023Inventors: Douglas Munroe Beall, Suhao He, Achim Karl-Erich Heibel, Kenneth Richard Miller, Pushkar Tandon, David John Thompson
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Patent number: 11746061Abstract: 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.Type: GrantFiled: May 3, 2019Date of Patent: September 5, 2023Assignee: Corning IncorporatedInventors: Douglas Munroe Beall, Achim Karl-Erich Heibel, Konstantin Vladimirovich Khodosevich, Kenneth Richard Miller, Hrushikesh Govindrao Pimpalgaonkar, Kunal Upendra Sakekar, Min Shen, Todd Parrish St Clair
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Patent number: 11739670Abstract: 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 ?m, a median pore diameter greater than or equal to about 10 ?m, a df less than or equal to about 0.45, where df=(d50?d10)/d50, 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 ?m and at least one starch-based pore former having a median particle diameter greater than or equal to about 10 ?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.Type: GrantFiled: March 17, 2017Date of Patent: August 29, 2023Assignee: Corning IncorporatedInventors: Douglas Munroe Beall, Achim Karl-Erich Heibel, David John Thompson
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Patent number: 11673132Abstract: 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?1. Diesel oxidation catalysts and methods of soot removal are also provided, as are other aspects.Type: GrantFiled: November 6, 2019Date of Patent: June 13, 2023Assignee: Corning IncorporatedInventors: Douglas Munroe Beall, Dana Craig Bookbinder, Achim Karl-Erich Heibel, Pushkar Tandon
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Patent number: 11654592Abstract: 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.Type: GrantFiled: September 22, 2021Date of Patent: May 23, 2023Assignee: Corning IncorporatedInventors: Douglas Munroe Beall, Suhao He, Achim Karl-Erich Heibel, Kenneth Richard Miller, Pushkar Tandon, David John Thompson
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Publication number: 20230061436Abstract: 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.Type: ApplicationFiled: August 30, 2022Publication date: March 2, 2023Inventors: Douglas Munroe Beall, Vishwanath Ganpat Deshmane, Sam George, Achim Karl-Erich Heibel, Sandeep Viswanathan
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Patent number: 11536176Abstract: A honeycomb body having intersecting porous walls and repeating structural units. Each repeating structural unit has a plurality of inlet channels and outlet channels that extend parallel to each other in an axial direction from an inlet face to an outlet face. Each of the repeating structural units has 2.0<I/O<3.0, wherein I/O is a ratio of a number of inlet channels to a number of the outlet channels, each of the inlet and outlet channels have a same cross-sectional size and shape, and each inlet channel of a particular repeating structural unit directly abuts an outlet channel of the particular repeating structural unit or an outlet channel of an adjacent repeating structural unit. Particulate filters including the honeycomb body, honeycomb extrusion dies, and methods of capturing soot in the honeycomb body are provided, as are other aspects.Type: GrantFiled: November 20, 2018Date of Patent: December 27, 2022Assignee: Corning IncorporatedInventors: Douglas Munroe Beall, Achim Karl-Erich Heibel, Pushkar Tandon
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Publication number: 20220236157Abstract: An apparatus and methods for evaluating the radial compressive strength of ceramic honeycomb samples. The apparatus includes a housing defining a testing compartment. A pressure subsystem is configured to introduce a pressurizing fluid into the testing compartment. A flexible member is in fluid communication with the pressure subsystem. The flexible member defines a testing area within the testing compartment configured to receive the ceramic honeycomb sample. The flexible member expands inwardly and subjects the honeycomb sample to a compressive force by engaging against the outer surface of the honeycomb sample when pressurized by the pressurizing fluid. An end cap covers an end face of the ceramic honeycomb sample when the ceramic honeycomb sample is positioned in the testing compartment. An acoustic sensor disposed on the end cap is configured to translate acoustic waveforms propagating through the acoustic sensor to a signal representative of the acoustic waveforms.Type: ApplicationFiled: May 13, 2020Publication date: July 28, 2022Inventors: Krishna Sastry Aravelli, Achim Karl-Erich Heibel, Seth Thomas Nickerson, Mitchell E Smith, Prashanth Abraham Vanniamparambil
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Publication number: 20220008858Abstract: 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.Type: ApplicationFiled: September 22, 2021Publication date: January 13, 2022Inventors: Douglas Munroe Beall, Suhao He, Achim Karl-Erich Heibel, Kenneth Richard Miller, Pushkar Tandon, David John Thompson
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Publication number: 20220008907Abstract: 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?1. Diesel oxidation catalysts and methods of soot removal are also provided, as are other aspects.Type: ApplicationFiled: November 6, 2019Publication date: January 13, 2022Inventors: Douglas Munroe Beall, Dana Craig Bookbinder, Achim Karl-Erich Heibel, Pushkar Tandon
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Patent number: 11148089Abstract: 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.Type: GrantFiled: April 24, 2017Date of Patent: October 19, 2021Assignee: Corning IncorporatedInventors: Douglas Munroe Beall, Suhao He, Achim Karl-Erich Heibel, Kenneth Richard Miller, Pushkar Tandon, David John Thompson
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Publication number: 20210130242Abstract: 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.Type: ApplicationFiled: May 3, 2019Publication date: May 6, 2021Inventors: Douglas Munroe Beall, Achim Karl-Erich Heibel, Konstantin Vladimirovich Khodosevich, Kenneth Richard Miller, Hrushikesh Govindrao Pimpalgaonkar, Kunal Upendra Sakekar, Min Shen, Todd Parrish St Clair
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Publication number: 20200300138Abstract: A honeycomb body having intersecting porous walls and repeating structural units. Each repeating structural unit has a plurality of inlet channels and outlet channels that extend parallel to each other in an axial direction from an inlet face to an outlet face. Each of the repeating structural units has 2.0<I/O<3.0, wherein I/O is a ratio of a number of inlet channels to a number of the outlet channels, each of the inlet and outlet channels have a same cross-sectional size and shape, and each inlet channel of a particular repeating structural unit directly abuts an outlet channel of the particular repeating structural unit or an outlet channel of an adjacent repeating structural unit. Particulate filters including the honeycomb body, honeycomb extrusion dies, and methods of capturing soot in the honeycomb body are provided, as are other aspects.Type: ApplicationFiled: November 20, 2018Publication date: September 24, 2020Inventors: Douglas Munroe Beall, Achim Karl-Erich Heibel, Pushkar Tandon
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Publication number: 20190126186Abstract: 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.Type: ApplicationFiled: April 24, 2017Publication date: May 2, 2019Applicant: Corning IncorporatedInventors: Douglas Munroe Beall, Suhao He, Achim Karl-Erich Heibel, Kenneth Richard Miller, Pushkar Tandon, David John Thompson
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Publication number: 20190076773Abstract: 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 ?m, a median pore diameter greater than or equal to about 10 ?m, a df less than or equal to about 0.45, where df=(d50?d10)/d50, 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 ?m and at least one starch-based pore former having a median particle diameter greater than or equal to about 10 ?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.Type: ApplicationFiled: March 17, 2017Publication date: March 14, 2019Inventors: Douglas Munroe Beall, Achim Karl-Erich Heibel, David John Thompson
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Patent number: 9757675Abstract: A partial wall-flow filter has an inlet end, an outlet end, and a plurality of parallel channels disposed and configured to flow fluid from the inlet end to the outlet end. The channels are defined by a plurality of porous walls. A first portion of the channels have a first hydraulic diameter Dh1, a second portion of the channels have a second hydraulic diameter Dh2 smaller than the first hydraulic diameter Dh1, and the ratio of Dh1:Dh2 is in the range of 1.1 to 1.6. At least a portion of channels having hydraulic diameter Dh1 are plugged at the outlet end, and channels having hydraulic diameter Dh2 are flow-through channels.Type: GrantFiled: January 23, 2014Date of Patent: September 12, 2017Assignee: Corning IncorporatedInventors: Suhao He, Achim Karl-Erich Heibel, Pushkar Tandon
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Patent number: 9097163Abstract: Method, apparatus, and system to control ammonia slip in a selective catalytic reduction (SCR) system. The method includes detecting an engine operation transition event, increasing NOx to the SCR catalyst, and decreasing a reductant dose. The system includes a controller to receive an engine transition signal, anticipate a temperature transition at the SCR catalyst in response to the engine transition signal, and cause a NOx increase in the exhaust gas stream to the SCR catalyst and a decrease of reductant to the SCR catalyst coinciding with the temperature transition at the SCR catalyst. The apparatus includes a NOx increase module to cause the NOx increase in the exhaust gas stream to the SCR catalyst in response to the engine transition signal. The apparatus also includes a reductant shut-off module configured to cause the reductant addition to the exhaust gas stream to turn off in response to the engine transition signal.Type: GrantFiled: March 15, 2013Date of Patent: August 4, 2015Assignee: Corning IncorporatedInventors: Sam George, Achim Karl-Erich Heibel
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Publication number: 20140238242Abstract: A partial wall-flow filter, having a honeycomb structure including an inlet end, an outlet end, and parallel channels disposed and configured to flow fluid from the inlet end to the outlet end. The channels are defined by a plurality of intersecting porous walls. The partial wall-flow filter has a filtration region of channels plugged at the outlet end and a bypass region of unplugged channels. An N/S ratio of the filter material is less than or equal to about 0.5, less than or equal to about 0.3, less than or equal to about 0.1, or even 0, where N is a pressure drop difference induced by deep bed soot and S is a pressure drop change from 0 grams per liter (g/l) to about 5 g/l for a conditioned curve induced by cake bed soot, where N and S are measured on a full wall-flow filter of the filter material.Type: ApplicationFiled: December 17, 2013Publication date: August 28, 2014Applicant: Corning IncorporatedInventors: Suhao He, Achim Karl-Erich Heibel