Patents by Inventor Carolin BRAUN
Carolin BRAUN 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).
-
Patent number: 12270326Abstract: The present invention relates to a wall-flow filter for removing particles from the exhaust gas of an internal combustion engine, which comprises a coating F, which comprises a sintered material S, wherein material S comprises an oxide, oxide-hydroxide, carbonate, sulphate, silicate, phosphate, mixed oxide, composite oxide, molecular sieve or a mixture comprising two or more of these materials.Type: GrantFiled: March 22, 2022Date of Patent: April 8, 2025Assignee: UMICORE AG & CO. KGInventors: Massimo Colombo, Jan Schoenhaber, Meike Antonia Gotthardt, Carolin Braun
-
Patent number: 12247505Abstract: The present invention is directed to the purification of exhaust gases of an internal combustion engine operated predominantly with a stoichiometric fuel mixture. The exhaust system has in particular 4 purification functions in a particular order. A three-way catalyst (TWC1) near the engine is followed by a gasoline particle filter (GPF) and another three-way catalyst (TWC2) downstream thereof. The system additionally has a nitrogen oxide storage function.Type: GrantFiled: July 11, 2022Date of Patent: March 11, 2025Assignee: UMICORE AG & CO. KGInventors: Jan Schoenhaber, Joerg-Michael Richter, Carolin Braun, Tim Palm
-
Patent number: 12188392Abstract: The invention is directed to the purification of exhaust gases of an internal combustion engine operated predominantly with a stoichiometric fuel mixture. The exhaust system has in particular 4 purification functions in a particular order. A three-way catalyst (TWC1) near the engine is followed by a gasoline particle filter (GPF) and another three-way catalyst (TWC2) downstream thereof. The system additionally includes an ammonia storage function.Type: GrantFiled: July 20, 2022Date of Patent: January 7, 2025Assignee: UMICORE AG & CO. KGInventors: Jan Schoenhaber, Joerg-Michael Richter, Carolin Braun, Tim Palm
-
Publication number: 20240369009Abstract: The invention is directed to the purification of exhaust gases of an internal combustion engine operated predominantly with a stoichiometric fuel mixture. The exhaust gas system has in particular 4 purification functions in a particular order. A three-way catalyst (TWC1) near the engine is followed by a gasoline particle filter (GPF) and another three-way catalyst (TWC2) downstream thereof. The system additionally includes a hydrocarbon storage function.Type: ApplicationFiled: July 20, 2022Publication date: November 7, 2024Applicant: UMICORE AG & CO. KGInventors: Jan SCHOENHABER, Joerg-Michael RICHTER, Carolin BRAUN, Tim PALM
-
Patent number: 12104514Abstract: Subject of the invention is an exhaust gas purification system for a gasoline engine, comprising in consecutive order the following devices: a first three-way-catalyst (TWC1), a gasoline particulate filter (GPF) and a second three-way-catalyst (TWC2), wherein the wash coat load (WCL) of the GPF is greater than the WCL of the TWC2, wherein the WCL is determined in g/l of the volume of the device. The invention also relates to methods in which the system is used and uses of the system.Type: GrantFiled: October 17, 2019Date of Patent: October 1, 2024Assignee: UMICORE AG & CO. KGInventors: Jan Schoenhaber, Joerg-Michael Richter, Carolin Braun
-
Publication number: 20240318588Abstract: The invention is directed to the purification of exhaust gases of an internal combustion engine operated predominantly with a stoichiometric fuel mixture. The exhaust system has in particular 4 purification functions in a particular order. A three-way catalyst (TWC1) near the engine is followed by a gasoline particle filter (GPF) and another three-way catalyst (TWC2) downstream thereof. The system additionally includes an ammonia storage function.Type: ApplicationFiled: July 20, 2022Publication date: September 26, 2024Applicant: UMICORE AG & CO. KGInventors: Jan SCHOENHABER, Joerg-Michael RICHTER, Carolin BRAUN, Tim PALM
-
Publication number: 20240318587Abstract: The present invention is directed to the purification of exhaust gases of an internal combustion engine operated predominantly with a stoichiometric fuel mixture. The exhaust system has in particular 4 purification functions in a particular order. A three-way catalyst (TWC1) near the engine is followed by a gasoline particle filter (GPF) and another three-way catalyst (TWC2) downstream thereof. The system additionally has a nitrogen oxide storage function.Type: ApplicationFiled: July 11, 2022Publication date: September 26, 2024Applicant: UMICORE AG & CO. KGInventors: Jan SCHOENHABER, Joerg-Michael RICHTER, Carolin BRAUN, Tim PALM
-
Publication number: 20240141812Abstract: The present invention relates to a wall-flow filter for removing particles from the exhaust gas of an internal combustion engine, which comprises a coating F, which comprises a sintered material S, wherein material S comprises an oxide, oxide-hydroxide, carbonate, sulphate, silicate, phosphate, mixed oxide, composite oxide, molecular sieve or a mixture comprising two or more of these materials.Type: ApplicationFiled: March 22, 2022Publication date: May 2, 2024Applicant: UMICORE AG & CO. KGInventors: Massimo COLOMBO, Jan SCHOENHABER, Meike Antonia GOTTHARDT, Carolin BRAUN
-
Publication number: 20240123403Abstract: Catalyst for the abatement of ammonia from the exhaust of gasoline internal combustion engines The present invention relates to a catalyst comprising a carrier body having a length L extending between a first end face and a second end face, and differently composed material zones A, B and C arranged on the carrier body, wherein material zone A comprises rhodium and/or nickel and/or cerium; material zone B comprises platinum; and material zone C comprises a zeolite which is able to store ammonia and to catalyze the selective catalytic reduction of NOx.Type: ApplicationFiled: March 9, 2022Publication date: April 18, 2024Applicant: UMICORE AG & CO. KGInventors: Massimo COLOMBO, Carolin BRAUN, Marcus SCHMIDT, Michael SEYLER, Philippe SERVAIS
-
Publication number: 20240100478Abstract: The present invention relates to a wall flow filter for removing particles from the exhaust gas of internal combustion engines, which comprises a wall flow filter substrate having a length L and coatings Z and F that differ from one another, wherein the wall flow filter substrate comprises channels E and A, which extend in parallel between a first and a second end of the wall flow filter substrate, are separated by porous walls and form surfaces OE or OA, and wherein the channels E are closed at the second end and the channels A are closed at the first end, and wherein the coating Z is located in the porous walls and/or on the surfaces OA, but not on the surfaces OE, and comprises palladium and/or rhodium a cerium/zirconium mixed oxide, characterized in that the coating F is located in the porous walls and/or on the surfaces OE, but not on the surfaces O, and comprises a ceramic membrane and no precious metal.Type: ApplicationFiled: December 14, 2021Publication date: March 28, 2024Applicant: UMICORE AG & CO. KGInventors: Jan SCHOENHABER, Gabriela KUCEROVA, Naina DEIBEL, Carolin BRAUN, Massimo COLOMBO, Meike Antonia GOTTHARDT
-
Publication number: 20240033687Abstract: The invention relates to a wall flow filter for removing particulate matter from the exhaust of internal combustion engines, comprising a wall flow filter substrate having a length L, and different coatings Z and F, the wall flow filter substrate being provided with channels E and A which run parallel between a first end and a second end of the wall flow filter substrate, are separated by porous walls, and form surfaces OE and OA, respectively; channels E are closed at the second end, and channels A are closed at the first end; coating Z is disposed in the porous walls and/or on surfaces OA, but not on surfaces OE, and contains palladium and/or rhodium and a cerium/zirconium mixed oxide; coating F is disposed mainly on surfaces OE, but not on surfaces OA, and comprises a membrane and no precious metal. The wall flow filter is characterized in that the mass ratio of coating Z to coating F ranges from 0.1 to 25.Type: ApplicationFiled: December 14, 2021Publication date: February 1, 2024Applicant: UMICORE AG & CO. KGInventors: Jan SCHOENHABER, Carolin BRAUN, Birgit FRIEDRICH, Ralf MUELLER, Sebastian ELLENBRAND, Ronja BRADE, Norbert KLOSE, Christian BRAND, Massimo COLOMBO, Meike Antonia GOTTHARDT
-
Patent number: 11859526Abstract: Subject of the invention is an exhaust gas purification system for a gasoline engine, comprising in consecutive order the following devices: a first three-way-catalyst (TWC1), a gasoline particulate filter (GPF) and a second three-way-catalyst (TWC2), wherein the platinum-group metal concentration (PGM) of the GPF is at least 40% greater than the PGM of the TWC2, wherein the PGM is determined in g/ft3 of the volume of the device, The invention also relates to methods in which the system is used and uses of the system.Type: GrantFiled: October 17, 2019Date of Patent: January 2, 2024Assignee: UMICORE AG & CO. KGInventors: Jan Schoenhaber, Joerg-Michael Richter, Carolin Braun
-
Publication number: 20230340899Abstract: Subject of the invention is an exhaust gas purification system for a gasoline engine, comprising in consecutive order the following devices: a first three-way-catalyst (TWC1), a gasoline particulate filter (GPF) and a second three-way-catalyst (TWC2), wherein the platinum-group metal concentration (PGM) of the TWC2 is greater than the PGM of the GPF, wherein the PGM is determined in g/ft3 of the volume of the device. The invention also relates to methods in which the system is used and uses of the system.Type: ApplicationFiled: June 29, 2023Publication date: October 26, 2023Applicant: UMICORE AG & CO. KGInventors: Jan SCHOENHABER, Joerg-Michael RICHTER, Carolin BRAUN
-
Patent number: 11732631Abstract: Subject of the invention is an exhaust gas purification system for a gasoline engine, comprising in consecutive order the following devices: ? a first three-way-catalyst (TWC1), a gasoline particulate filter (GPF) and a second three-way-catalyst (TWC2), ? wherein the platinum-group metal concentration (PGM) of the TWC2 is greater than the PGM of the GPF, wherein the PGM is determined in g/ft3 of the volume of the device. Also disclosed are methods in which the system is used and uses of the system.Type: GrantFiled: October 17, 2019Date of Patent: August 22, 2023Assignee: UMICORE AG & CO. KGInventors: Jan Schoenhaber, Joerg-Michael Richter, Carolin Braun
-
Patent number: 11649753Abstract: An exhaust gas purification system for a gasoline engine is described the system comprising in consecutive order the following devices: •a first three-way-catalyst (TWC1), a gasoline particulate filter (GPF) and a second three-way-catalyst (TWC2), •wherein the oxygen storage capacity (OSC) of the GPF is greater than the OSC of the TWC1, wherein the OSC is determined in mg/l of the volume of the device.Type: GrantFiled: October 17, 2019Date of Patent: May 16, 2023Assignee: UMICORE AG & CO. KGInventors: Jan Schoenhaber, Joerg-Michael Richter, Carolin Braun
-
Patent number: 11614015Abstract: Subject of the invention is an exhaust gas purification system for a gasoline engine, comprising in consecutive order the following devices: a first three-way-catalyst (TWC1), a gasoline particulate filter (GPF) and a second three-way-catalyst (TWC2), wherein the oxygen storage capacity (OSC) of the GPF is greater than the OSC of the TWC2, wherein the OSC is determined in mg/l of the volume of the device. The invention also relates to methods in which the system is used and uses of the system.Type: GrantFiled: October 17, 2019Date of Patent: March 28, 2023Assignee: UMICORE AG & CO. KGInventors: Jan Schoenhaber, Joerg-Michael Richter, Carolin Braun
-
Publication number: 20230045409Abstract: The present invention relates to a catalyst comprising two layers on an inert catalyst carrier, a layer A containing at least palladium as a platinum group metal, in addition to a cerium/zirconium/lanthanum/yttrium mixed oxide, and a layer B, which is applied to layer A, containing at least rhodium as the platinum group metal, in addition to a cerium/zirconium/lanthanum/yttrium mixed oxide.Type: ApplicationFiled: January 26, 2021Publication date: February 9, 2023Applicant: UMICORE AG & CO. KGInventors: Joel DESPRES, Martin ROESCH, Joerg-Michael RICHTER, Carolin BRAUN, Marcus SCHMIDT, Nicole SCHICHTEL
-
Patent number: 11547969Abstract: Subject of the invention is an exhaust gas purification system for a gasoline engine, comprising in consecutive order the following devices: a first three-way-catalyst (TWC1), a gasoline particulate filter (GPF) and a second three-way-catalyst (TWC2), wherein the oxygen storage capacity (OSC) of the TWC2 is greater than the OSC of the GPF, wherein the OSC is determined in mg/l of the volume of the device. The invention also relates to methods in which the system is used and uses of the system.Type: GrantFiled: October 17, 2019Date of Patent: January 10, 2023Assignee: UMICORE AG & CO. KGInventors: Jan Schoenhaber, Joerg-Michael Richter, Carolin Braun
-
Patent number: 11377993Abstract: Subject of the invention is an exhaust gas purification system for a gasoline engine, comprising in consecutive order the following devices: a first three-way-catalyst (TWC1), a gasoline particulate filter (GPF) and a second three-way-catalyst (TWC2), wherein the wash coat load (WCL) of the TWC2 is greater than the WCL of the GPF, wherein the WCL is determined in g/l of the volume of the device. The invention also relates to methods in which the system is used and uses of the system.Type: GrantFiled: October 17, 2019Date of Patent: July 5, 2022Assignee: UMICORE AG & CO. KGInventors: Jan Schoenhaber, Joerg-Michael Richter, Carolin Braun
-
Publication number: 20220003139Abstract: Subject of the invention is an exhaust gas purification system for a gasoline engine, comprising in consecutive order the following devices: a first three-way-catalyst (TWC1), a gasoline particulate filter (GPF) and a second three-way-catalyst (TWC2), wherein the platinum-group metal concentration (PGM) of the GPF is at least 40% greater than the PGM of the TWC2, wherein the PGM is determined in g/ft3 of the volume of the device, The invention also relates to methods in which the system is used and uses of the system.Type: ApplicationFiled: October 17, 2019Publication date: January 6, 2022Applicant: UMICORE AG & CO. KGInventors: Jan SCHOENHABER, Joerg-Michael RICHTER, Carolin BRAUN