Patents by Inventor Elena Mueller
Elena Mueller 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: 20230338939Abstract: The present invention relates to a diesel oxidation 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 and B arranged on the carrier body, wherein material zone A comprises platinum, palladium, rhodium or a mixture of any two or more thereof applied to a cerium-zirconium mixed oxide, and material zone B comprises platinum, palladium or platinum and palladium applied to a carrier oxide B.Type: ApplicationFiled: February 17, 2021Publication date: October 26, 2023Applicant: UMICORE AG & CO. KGInventors: Elena MUELLER, Wulf HAUPTMANN
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Publication number: 20220379293Abstract: The present invention relates to a diesel oxidation 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 and B arranged on the carrier body, wherein material zone A comprises platinum and palladium applied to a cerium-titanium mixed oxide, and material zone B comprises platinum and palladium applied to a carrier oxide B.Type: ApplicationFiled: October 30, 2020Publication date: December 1, 2022Inventors: Elena MUELLER, Gordon KEITL, Wulf HAUPTMANN
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Patent number: 11439952Abstract: The present invention relates to a composite metal oxide which comprises 80 to 97 wt %, in relation to the weight of the composite metal oxide, of one or more oxides of cerium and 3 to 20 wt %, in relation to the composite metal oxide of a metal oxide comprising tin oxide (SnO2) and lanthanum oxide (La2O3) and/or aluminum oxide (Al2O3), a composite material for the storage of nitrogen oxides which comprises such composite metal oxide and palladium, as well as an exhaust gas system containing said composite material.Type: GrantFiled: November 8, 2019Date of Patent: September 13, 2022Assignee: UMICORE AG & CO. KGInventors: Elena Mueller, Kris Driesen
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Publication number: 20210346842Abstract: The present invention relates to a composite metal oxide which comprises 80 to 97 wt %, in relation to the weight of the composite metal oxide, of one or more oxides of cerium and 3 to 20 wt %, in relation to the composite metal oxide of a metal oxide comprising tin oxide (SnO2) and lanthanum oxide (La2O3) and/or aluminum oxide (AI2O3), a composite material for the storage of nitrogen oxides which comprises such composite metal oxide and palladium, as well as an exhaust gas system containing said composite material.Type: ApplicationFiled: November 8, 2019Publication date: November 11, 2021Applicant: UMICORE AG & CO. KGInventors: Elena MUELLER, Kris DRIESEN
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Publication number: 20210321522Abstract: A housing for a control device, including: a cover; a base element which is connected in a leaktight manner to the cover; and a closable opening to allow ventilation during assembly of the housing. Also described are a related brake control device, a utility vehicle, and a method.Type: ApplicationFiled: September 13, 2017Publication date: October 14, 2021Inventors: Norbert Behrendt, Elena Mueller, Klaus Lechner
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Publication number: 20210289650Abstract: A housing for a control device, including: a cover; a base plate; an elastic adhesive connection; in which the elastic adhesive connection provides a wet seal between the cover and the base plate. Also described are a related brake control device and a commercial vehicle.Type: ApplicationFiled: September 13, 2017Publication date: September 16, 2021Inventors: Elena Mueller, Norbert Behrendt, Klaus Lechner
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Patent number: 10912208Abstract: A housing contacting system of a control device, including: a housing cover and a base element which together define an interior of the control device; a printed circuit board having a front side and a rear side, wherein a conductive surface layer is formed on the rear side and the printed circuit board is arranged in the interior; and a spring element which is at least partially electrically conductive and is arranged between the conductive surface layer and the base element under spring prestress in order to implement rear-side contacting of the printed circuit board. Also described are a related brake control device, a utility vehicle, and a method.Type: GrantFiled: September 13, 2017Date of Patent: February 2, 2021Assignee: KNORR-BREMSE SYSTEME FUER NUTZFAHRZEUGE GMBHInventors: Elena Mueller, Norbert Behrendt, Klaus Lechner, Karin Pohley
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Patent number: 10729022Abstract: A casing for a control unit, including: a connector region, situated on a connector side of the casing, is close-able by two covering hoods, each of the covering hoods including at least one hinge element; and at least two gripping arms, which are configured to at least partially engage around the at least one hinge element of the two covering hoods and to hold it rotationally; in which the two covering hoods are place-able at different positions on the connector region of the casing and are close-able rotationally. Also described are a related covering hood, a control unit, and a commercial vehicle.Type: GrantFiled: September 12, 2017Date of Patent: July 28, 2020Assignee: KNOR-BREMSE SYSTEME FUER NUTZFAHRZEUGE GMBHInventors: Klaus Lechner, Elena Mueller, Norbert Behrendt
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Publication number: 20200032687Abstract: The Invention relates to a nitrogen oxide storage catalyst composed of at least two catalytically-active washcoat layers on a support body, wherein a lower washcoat layer A comprises cerium oxide, an alkaline earth metal compound and/or an alkali compound, platinum and palladium, and manganese oxide, and an upper washcoat layer B disposed on the washcoat layer A comprises cerium oxide, platinum and palladium and does not contain any alkali and alkaline-earth compounds, and to a method for converting NOx in exhaust gases from motor vehicles which are operated with lean-burn engines.Type: ApplicationFiled: February 1, 2017Publication date: January 30, 2020Applicant: UMICORE AG & CO. KGInventors: Thomas UTSCHIG, Elena MUELLER, Ruediger HOYER
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Publication number: 20200015371Abstract: A housing contacting system of a control device, including: a housing cover and a base element which together define an interior of the control device; a printed circuit board having a front side and a rear side, wherein a conductive surface layer is formed on the rear side and the printed circuit board is arranged in the interior; and a spring element which is at least partially electrically conductive and is arranged between the conductive surface layer and the base element under spring prestress in order to implement rear-side contacting of the printed circuit board. Also described are a related brake control device, a utility vehicle, and a method.Type: ApplicationFiled: September 13, 2017Publication date: January 9, 2020Inventors: Elena Mueller, Norbert Behrendt, Klaus Lechner, Karin Pohley
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Publication number: 20190364677Abstract: A casing for a control unit, including: a connector region, situated on a connector side of the casing, is close-able by two covering hoods, each of the covering hoods including at least one hinge element; and at least two gripping arms, which are configured to at least partially engage around the at least one hinge element of the two covering hoods and to hold it rotationally; in which the two covering hoods are place-able at different positions on the connector region of the casing and are close-able rotationally. Also described are a related covering hood, a control unit, and a commercial vehicle.Type: ApplicationFiled: September 12, 2017Publication date: November 28, 2019Inventors: Klaus Lechner, Elena Mueller, Norbert Behrendt
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Patent number: 10428708Abstract: The present invention relates to a nitrogen oxide storage catalyst composed of at least two catalytically active washcoat layers on a support body, wherein a lower washcoat layer A comprises cerium oxide, an alkaline earth metal compound and/or an alkali metal compound, and platinum and palladium, and an upper washcoat layer B disposed atop the washcoat layer A comprises cerium oxide, platinum and palladium, and no alkali metal or alkaline earth metal compound, and to a method of converting NOx in exhaust gases from motor vehicles which are operated with lean-burn engines.Type: GrantFiled: August 4, 2015Date of Patent: October 1, 2019Assignee: UMICORE AG & CO. KGInventors: Thomas Utschig, Ruediger Hoyer, Elena Mueller
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Patent number: 9757712Abstract: The present invention relates to a catalyst for the removal of carbon monoxide and hydrocarbon from the exhaust gas of lean-operated internal combustion engines on a supporting body, which bears platinum and/or palladium on one or more refractory carrier materials and also contains cerium oxide and which, after reductive treatment at 250° C. and after CO adsorption, is characterized by certain peaks in Diffuse Reflectance Infrared Fourier Transform Spectroscopy (DRIFTS), and also relates to the use thereof for removing carbon monoxide and hydrocarbon from the exhaust gas of lean-operated internal combustion engines.Type: GrantFiled: October 22, 2014Date of Patent: September 12, 2017Assignee: UMICORE AG & CO. KGInventors: Ruediger Hoyer, Fei Wen, Elena Mueller
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Publication number: 20170183995Abstract: The present invention relates to a nitrogen oxide storage catalyst composed of at least two catalytically active washcoat layers on a support body, wherein a lower washcoat layer A comprises cerium oxide, an alkaline earth metal compound and/or an alkali metal compound, and platinum and palladium, and an upper washcoat layer B disposed atop the washcoat layer A comprises cerium oxide, platinum and palladium, and no alkali metal or alkaline earth metal compound, and to a method of converting NOx in exhaust gases from motor vehicles which are operated with lean-burn engines.Type: ApplicationFiled: August 4, 2015Publication date: June 29, 2017Applicant: UMICORE AG & CO. KGInventors: Thomas UTSCHIG, Ruediger HOYER, Elena MUELLER
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Patent number: 9662638Abstract: The present invention relates to a nitrogen oxide storage catalyst composed of at least two catalytically active coatings on a support body, wherein a lower coating A contains cerium oxide, and platinum and/or palladium, but no alkaline earth metal compound, and an upper coating B which is disposed above coating A contains an alkaline earth metal compound, a basic mixed magnesium-aluminum oxide, and platinum and palladium, and to a method for converting NOx in exhaust gases of motor vehicles which are operated with lean-burn engines.Type: GrantFiled: January 6, 2014Date of Patent: May 30, 2017Assignee: UMICORE AG & CO. KGInventors: Ruediger Hoyer, Anke Schuler, Elena Mueller, Thomas Utschig, Gerald Jeske
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Publication number: 20160236180Abstract: The present invention relates to a catalyst for the removal of carbon monoxide and hydrocarbon from the exhaust gas of lean-operated internal combustion engines on a supporting body, which bears platinum and/or palladium on one or more refractory carrier materials and also contains cerium oxide and which, after reductive treatment at 250° C. and after CO adsorption, is characterized by certain peaks in Diffuse Reflectance Infrared Fourier Transform Spectroscopy (DRIFTS), and also relates to the use thereof for removing carbon monoxide and hydrocarbon from the exhaust gas of lean-operated internal combustion engines.Type: ApplicationFiled: October 22, 2014Publication date: August 18, 2016Applicant: UMICORE AG & CO. KGInventors: Ruediger HOYER, Fei WEN, Elena MUELLER
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Publication number: 20150352495Abstract: The present invention relates to a nitrogen oxide storage catalyst composed of at least two catalytically active washcoat layers on a support body, wherein a lower washcoat layer A contains cerium oxide, an alkaline earth metal compound and/or an alkali metal compound, and also platinum, and an upper washcoat layer B disposed atop the washcoat layer A, containing cerium oxide, and also platinum and palladium, and no alkaline earth metal compound, and a method for converting NOx in the exhaust gases of motor vehicles which are operated with lean-burn engines.Type: ApplicationFiled: February 21, 2014Publication date: December 10, 2015Applicant: UMICORE AG & CO. KGInventors: Ruediger HOYER, Anke SCHULER, Thomas UTSCHIG, Elena MUELLER
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Publication number: 20150336085Abstract: The present invention relates to a nitrogen oxide storage catalyst composed of at least two catalytically active coatings on a support body, wherein a lower coating A contains cerium oxide, and platinum and/or palladium, but no alkaline earth metal compound, and an upper coating B which is disposed above coating A contains an alkaline earth metal compound, a basic mixed magnesium-aluminum oxide, and platinum and palladium, and to a method for converting NOx in exhaust gases of motor vehicles which are operated with lean-burn engines.Type: ApplicationFiled: January 6, 2014Publication date: November 26, 2015Applicant: UMICORE AG & CO. KGInventors: Ruediger HOYER, Anke SCHULER, Elena MUELLER, Thomas UTSCHIG, Gerald JESKE
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Patent number: 9095816Abstract: The invention relates to a catalyst for removal of nitrogen oxides from the exhaust gas of diesel engines, and to a process for reducing the level of nitrogen oxides in the exhaust gas of diesel engines. The catalyst consists of a support body of length L and of a catalytically active coating which in turn may be formed from one or more material zones. The material zones comprise selectively catalytically reductive (SCR-active) mixed oxide consisting of cerium oxide, zirconium oxide, rare earth sesquioxide and niobium oxide and optionally tungsten oxide. In addition, the material zones comprise at least one compound selected from the group consisting of barium oxide, barium hydroxide, barium carbonate, strontium oxide, strontium hydroxide, strontium carbonate, praseodymium oxide, lanthanum oxide, magnesium oxide, mixed magnesium/aluminum oxide, alkali metal oxide, alkali metal hydroxide, alkali metal carbonate and mixtures thereof. Noble metal may optionally also be present in the catalyst.Type: GrantFiled: November 14, 2011Date of Patent: August 4, 2015Assignee: UMICORE AG & CO. KGInventors: Paul Spurk, Nicola Soeger, Elena Mueller, Stephan Malmberg
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Patent number: 8753596Abstract: The invention relates to a catalyst for removal of nitrogen oxides from the exhaust gas of diesel engines, and to a process for reducing the level of nitrogen oxides in the exhaust gas of diesel engines. The catalyst consists of a support body of length L and of a catalytically active coating which in turn may be formed from one or more material zones. The material zones comprise a copper-containing zeolite or a zeolite-like compound. The materials used include chabazite, SAPO-34, ALPO-34 and zeolite ?. In addition, the material zones comprise at least one compound selected from the group consisting of barium oxide, barium hydroxide, barium carbonate, strontium oxide, strontium hydroxide, strontium carbonate, praseodymium oxide, lanthanum oxide, magnesium oxide, magnesium/aluminum mixed oxide, alkali metal oxide, alkali metal hydroxide, alkali metal carbonate and mixtures thereof. Noble metal may optionally also be present in the catalyst.Type: GrantFiled: September 8, 2011Date of Patent: June 17, 2014Assignee: Umicore AG & Co. KGInventors: Paul Spurk, Nicola Soeger, Elena Mueller, Stephan Malmberg