Patents by Inventor David Bergeal
David Bergeal 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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Patent number: 9273583Abstract: A vehicle comprises a compression ignition engine provided with engine management means and having a catalyst for exhaust gas aftertreatment, wherein the engine management means is configured, when in use, to detect idle conditions and upon determining that idle conditions exist, stops the engine entirely, wherein the catalyst comprises a honeycomb substrate monolith coated with a catalytic washcoat comprising one or more precious metal, which catalytic washcoat being arranged between a first, upstream washcoat zone and a second, downstream washcoat zone, wherein a thermal mass in the first washcoat zone is different from a thermal mass in the second washcoat zone and wherein a washcoat layer in the first, upstream washcoat zone is substantially contiguous with a washcoat layer in the second, downstream washcoat zone.Type: GrantFiled: December 21, 2010Date of Patent: March 1, 2016Assignee: Johnson Matthey Public Limited CompanyInventors: David Bergeal, Paul Richard Phillips
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Publication number: 20150375221Abstract: An apparatus is disclosed. The apparatus comprises a lean-burn internal combustion engine, engine management means and an exhaust system for treating exhaust gas of the engine. The exhaust system comprises a first oxidation catalyst disposed on a first honeycomb monolith substrate. The first oxidation catalyst comprises platinum supported on a first metal oxide support comprising at least one reducible oxide, and is substantially free of alkali metals and alkaline earth metals. The engine management means is arranged, when in use, intermittently to modulate the lambda composition of the exhaust gas entering the first oxidation catalyst to a rich lambda composition.Type: ApplicationFiled: September 4, 2015Publication date: December 31, 2015Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANYInventors: David BERGEAL, Andrew Francis CHIFFEY, Marie FEUERSTEIN, Paul Richard PHILLIPS, Wolfgang STREHLAU, Daniel SWALLOW, James WYLIE
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Publication number: 20150360213Abstract: An oxidation catalyst for treating an exhaust gas from a compression ignition engine, which oxidation catalyst comprises: a first washcoat region comprising platinum (Pt) and a first support material, wherein the first washcoat region is substantially free of a hydrocarbon adsorbent; a second washcoat region comprising platinum (Pt), palladium (Pd) and a second support material, wherein the second washcoat region has a ratio by mass of platinum (Pt) to palladium (Pd) of 4:1 to 1:1; a hydrocarbon adsorbent; and a substrate; wherein the first washcoat region is arranged to contact inlet exhaust gas before the hydrocarbon adsorbent, and the first washcoat region is arranged to contact inlet exhaust gas before the second washcoat region.Type: ApplicationFiled: May 16, 2014Publication date: December 17, 2015Inventors: David BERGEAL, Andrew Francis CHIFFEY, Daniel HATCHER, James LEELAND, Francois MOREAU, Paul Richard PHILLIPS
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Publication number: 20150298059Abstract: A catalysed soot filter comprising an oxidation catalyst for treating carbon monoxide (CO) and hydrocarbons (HCs) in exhaust gas from a compression ignition engine disposed on a filtering substrate, wherein the oxidation catalyst comprises: a platinum group metal (PGM) component selected from the group consisting of a platinum (Pt) component, a palladium (Pd) component and a combination thereof; an alkaline earth metal component; a support material comprising a modified alumina incorporating a heteroatom component.Type: ApplicationFiled: May 12, 2015Publication date: October 22, 2015Inventors: David BERGEAL, Andrew Francis CHIFFEY, John Benjamin GOODWIN, Daniel HATCHER, Francois MOREAU, Agnes RAJ, Raj Rao RAJARAM, Paul Richard PHILLIPS, Cathal PRENDERGAST, Gavin Michael BROWN
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Patent number: 9138724Abstract: An oxidation catalyst for treating an exhaust gas produced by a combustion engine, wherein the oxidation catalyst comprises a substrate and a catalyst layer, wherein the catalyst layer comprises: a first support material; a first noble metal; and a second noble metal; wherein the catalyst layer is disposed on a surface of the substrate, and the catalyst layer has a non-uniform distribution of the first noble metal in a direction perpendicular to the surface of the substrate. The oxidation catalyst can be used to oxidize carbon monoxide (CO), hydrocarbons (HCs) and also oxides of nitrogen (NOx) in such an exhaust gas.Type: GrantFiled: February 18, 2014Date of Patent: September 22, 2015Assignee: Johnson Matthey Public Limited CompanyInventors: David Bergeal, Paul Richard Phillips, Andrew Francis Chiffey, John Benjamin Goodwin
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Patent number: 9140167Abstract: An apparatus is disclosed. The apparatus comprises a lean-burn internal combustion engine, engine management means and an exhaust system for treating exhaust gas of the engine. The exhaust system comprises a first oxidation catalyst disposed on a first honeycomb monolith substrate. The first oxidation catalyst comprises platinum supported on a first metal oxide support comprising at least one reducible oxide, and is substantially free of alkali metals and alkaline earth metals. The engine management means is arranged, when in use, intermittently to modulate the lambda composition of the exhaust gas entering the first oxidation catalyst to a rich lambda composition.Type: GrantFiled: December 21, 2011Date of Patent: September 22, 2015Assignee: Johnson Matthey Public Limited CompanyInventors: David Bergeal, Andrew Francis Chiffey, Marie Feuerstein, Paul Richard Phillips, Wolfgang Strehlau, Daniel Swallow, James Wylie
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Publication number: 20150224478Abstract: An exhaust system for a compression ignition engine comprising an oxidation catalyst for treating carbon monoxide (CO) and hydrocarbons (HCs) in exhaust gas from the compression ignition engine, wherein the oxidation catalyst comprises: a platinum group metal (PGM) component selected from the group consisting of a platinum (Pt) component, a palladium (Pd) component and a combination thereof; an alkaline earth metal component; a support material comprising a modified alumina incorporating a heteroatom component; and a substrate, wherein the platinum group metal (PGM) component, the alkaline earth metal component and the support material are disposed on the substrate.Type: ApplicationFiled: April 20, 2015Publication date: August 13, 2015Inventors: David BERGEAL, Andrew Francis CHIFFEY, John Benjamin GOODWIN, Daniel HATCHER, Francois MOREAU, Agnes RAJ, Raj Rao RAJARAM, Paul Richard PHILLIPS, Cathal PRENDERGAST
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Patent number: 9057310Abstract: A catalysed soot filter comprising an oxidation catalyst for treating carbon monoxide (CO) and hydrocarbons (HCs) in exhaust gas from a compression ignition engine disposed on a filtering substrate, wherein the oxidation catalyst comprises: a platinum group metal (PGM) component selected from the group consisting of a platinum (Pt) component, a palladium (Pd) component and a combination thereof; an alkaline earth metal component; a support material comprising a modified alumina incorporating a heteroatom component.Type: GrantFiled: November 21, 2013Date of Patent: June 16, 2015Assignee: Johnson Matthey Public Limited CompanyInventors: David Bergeal, Andrew Francis Chiffey, John Benjamin Goodwin, Daniel Hatcher, Francois Moreau, Agnes Raj, Raj Rao Rajaram, Paul Richard Phillips, Cathal Prendergast, Gavin Michael Brown
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Patent number: 9034286Abstract: An exhaust system for a compression ignition engine comprising an oxidation catalyst for treating carbon monoxide (CO) and hydrocarbons (HCs) in exhaust gas from the compression ignition engine, wherein the oxidation catalyst comprises: a platinum group metal (PGM) component selected from the group consisting of a platinum (Pt) component, a palladium (Pd) component and a combination thereof; an alkaline earth metal component; a support material comprising a modified alumina incorporating a heteroatom component; and a substrate, wherein the platinum group metal (PGM) component, the alkaline earth metal component and the support material are disposed on the substrate.Type: GrantFiled: November 21, 2013Date of Patent: May 19, 2015Assignee: Johnson Matthey Public Limited CompanyInventors: David Bergeal, Andrew Francis Chiffey, John Benjamin Goodwin, Daniel Hatcher, Francois Moreau, Agnes Raj, Raj Rao Rajaram, Paul Richard Phillips, Cathal Prendergast
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Publication number: 20150101317Abstract: An on-board diagnostics system for an exhaust system of an internal combustion engine is disclosed. The system comprises a catalyzed substrate having a catalyzed region and an uncatalyzed region, a first sensor, and a second sensor. The first sensor is located within the catalyzed region of the catalyzed substrate and the second sensor is located within the uncatalyzed region of the catalyzed substrate. A method for on-board diagnostics of the catalyzed substrate is also disclosed.Type: ApplicationFiled: October 15, 2014Publication date: April 16, 2015Inventors: Paul Richard PHILLIPS, Daniel HATCHER, David BERGEAL
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Publication number: 20140241964Abstract: An oxidation catalyst for treating an exhaust gas produced by a combustion engine, wherein the oxidation catalyst comprises a substrate and a catalyst layer, wherein the catalyst layer comprises: a first support material; a first noble metal; and a second noble metal; wherein the catalyst layer is disposed on a surface of the substrate, and the catalyst layer has a non-uniform distribution of the first noble metal in a direction perpendicular to the surface of the substrate. The oxidation catalyst can be used to oxidise carbon monoxide (CO), hydrocarbons (HCs) and also oxides of nitrogen (NOx) in such an exhaust gas.Type: ApplicationFiled: February 18, 2014Publication date: August 28, 2014Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANYInventors: David BERGEAL, Paul Richard PHILLIPS, Andrew Francis CHIFFEY, John Benjamin GOODWIN
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Publication number: 20140147359Abstract: A catalysed soot filter comprising an oxidation catalyst for treating carbon monoxide (CO) and hydrocarbons (HCs) in exhaust gas from a compression ignition engine disposed on a filtering substrate, wherein the oxidation catalyst comprises: a platinum group metal (PGM) component selected from the group consisting of a platinum (Pt) component, a palladium (Pd) component and a combination thereof; an alkaline earth metal component; a support material comprising a modified alumina incorporating a heteroatom component.Type: ApplicationFiled: November 21, 2013Publication date: May 29, 2014Applicant: Johnson Matthey Public Limited CompanyInventors: David BERGEAL, Andrew Francis CHIFFEY, John Benjamin GOODWIN, Daniel HATCHER, Francois MOREAU, Agnes RAJ, Raj Rao RAJARAM, Paul Richard PHILLIPS, Cathal PRENDERGAST, Gavin Michael BROWN
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Publication number: 20140140911Abstract: An exhaust system for a compression ignition engine comprising an oxidation catalyst for treating carbon monoxide (CO) and hydrocarbons (HCs) in exhaust gas from the compression ignition engine, wherein the oxidation catalyst comprises: a platinum group metal (PGM) component selected from the group consisting of a platinum (Pt) component, a palladium (Pd) component and a combination thereof; an alkaline earth metal component; a support material comprising a modified alumina incorporating a heteroatom component; and a substrate, wherein the platinum group metal (PGM) component, the alkaline earth metal component and the support material are disposed on the substrate.Type: ApplicationFiled: November 21, 2013Publication date: May 22, 2014Applicant: Johnson Matthey Public Limited CompanyInventors: David BERGEAL, Andrew Francis CHIFFEY, John Benjamin GOODWIN, Daniel HATCHER, Francois MOREAU, Agnes RAJ, Raj Rao RAJARAM, Paul Richard PHILLIPS, Cathal PRENDERGAST
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Publication number: 20130340414Abstract: An apparatus is disclosed. The apparatus comprises a lean-burn internal combustion engine, engine management means and an exhaust system for treating exhaust gas of the engine. The exhaust system comprises a first oxidation catalyst disposed on a first honeycomb monolith substrate. The first oxidation catalyst comprises platinum supported on a first metal oxide support comprising at least one reducible oxide, and is substantially free of alkali metals and alkaline earth metals. The engine management means is arranged, when in use, intermittently to modulate the lambda composition of the exhaust gas entering the first oxidation catalyst to a rich lambda composition.Type: ApplicationFiled: December 21, 2011Publication date: December 26, 2013Applicant: JOHNSON MATTEY PUBLIC LIMITED COMPANYInventors: David Bergeal, Andrew Francis Chiffey, Marie Feuersein, Paul Richard Phillips, Wolfgang Strehlau, Daniel Swallow, James Wylie
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Patent number: 8263032Abstract: An oxidation catalyst comprises an extruded solid body comprising: 10-95% by weight of at least one binder/matrix component; 5-90% by weight of a zeolitic molecular sieve, a non-zeolitic molecular sieve or a mixture of any two or more thereof; and 0-80% by weight optionally stabilized ceria, which catalyst comprising at least one precious metal and optionally at least one non-precious metal, wherein: (i) a majority of the at least one precious metal is located at a surface of the extruded solid body; (ii) the at least one precious metal is carried in one or more coating layer(s) on a surface; (iii) at least one metal is present throughout the extruded solid body and in a higher concentration at a surface; (iv) at least one metal is present throughout the extruded solid body and in a coating layer(s) on a surface; or (v) a combination of (ii) and (iii).Type: GrantFiled: February 1, 2011Date of Patent: September 11, 2012Assignee: Johnson Matthey Public Limited CompanyInventors: Paul Joseph Andersen, Todd Ballinger, David Bergeal, Hsiao-Lan Chang, Hai-Ying Chen, Julian Cox, Ralf Dotzel, Rainer Leppelt, Jörg Werner Münch, Hubert Schedel, Duncan John William Winterborn
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Publication number: 20120122660Abstract: An oxidation catalyst comprises an extruded solid body comprising: 10-95% by weight of at least one binder/matrix component; 5-90% by weight of a zeolitic molecular sieve, a non-zeolitic molecular sieve or a mixture of any two or more thereof; and 0-80% by weight optionally stabilised ceria, which catalyst comprising at least one precious metal and optionally at least one non-precious metal, wherein: (i) a majority of the at least one precious metal is located at a surface of the extruded solid body; (ii) the at least one precious metal is carried in one or more coating layer(s) on a surface; (iii) at least one metal is present throughout the extruded solid body and in a higher concentration at a surface; (iv) at least one metal is present throughout the extruded solid body and in a coating layer(s) on a surface; or (v) a combination of (ii) and (iii).Type: ApplicationFiled: February 1, 2011Publication date: May 17, 2012Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANYInventors: Paul Joseph Andersen, Todd Ballinger, David Bergeal, Hsiao-Lan Chang, Hai-Ying Chen, Julian Cox, Ralf Dotzel, Rainer Leppelt, Jörg Werner Münch, Hubert Schedel, Duncan John William Winterborn
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Patent number: 7998424Abstract: An exhaust system for a lean-burn internal combustion engine comprises a catalyst for oxidising carbon monoxide and hydrocarbons comprising a flow-through substrate monolith comprising a first platinum group metal (PGM) zone containing at least one PGM supported on a surface area-increasing washcoat component, a second PGM zone containing at least one PGM supported on a surface area-increasing washcoat component, a third PGM zone containing at least one PGM supported on a surface area-increasing washcoat component wherein both the PGM loading in the first PGM zone and the PGM loading in the third PGM zone is greater than the PGM loading in the second PGM zone and wherein the first PGM zone comprises a washcoat loading that is less than a washcoat loading of the third PGM zone.Type: GrantFiled: January 3, 2007Date of Patent: August 16, 2011Assignee: Johnson Matthey Public Limited CompanyInventors: David Bergeal, Paul Richard Phillips, Martyn Vincent Twigg
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Publication number: 20110146251Abstract: A vehicle comprises a compression ignition engine provided with engine management means and having a catalyst for exhaust gas aftertreatment, wherein the engine management means is configured, when in use, to detect idle conditions and upon determining that idle conditions exist, stops the engine entirely, wherein the catalyst comprises a honeycomb substrate monolith coated with a catalytic washcoat comprising one or more precious metal, which catalytic washcoat being arranged between a first, upstream washcoat zone and a second, downstream washcoat zone, wherein a thermal mass in the first washcoat zone is different from a thermal mass in the second washcoat zone and wherein a washcoat layer in the first, upstream washcoat zone is substantially contiguous with a washcoat layer in the second, downstream washcoat zone.Type: ApplicationFiled: December 21, 2010Publication date: June 23, 2011Applicant: Johnson Matthey Public Limited CompanyInventors: David Bergeal, Paul Richard Phillips
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Publication number: 20090217652Abstract: An exhaust system for a lean-burn internal combustion engine comprises a catalyst for oxidising carbon monoxide and hydrocarbons comprising a flow-through substrate monolith comprising a first platinum group metal (PGM) zone containing at least one PGM supported on a surface area-increasing washcoat component, a second PGM zone containing at least one PGM supported on a surface area-increasing washcoat component, a third PGM zone containing at least one PGM supported on a surface area-increasing washcoat component wherein both the PGM loading in the first PGM zone and the PGM loading in the third PGM zone is greater than the PGM loading in the second PGM zone and wherein the first PGM zone comprises a washcoat loading that is less than a washcoat loading of the third PGM zone.Type: ApplicationFiled: January 3, 2007Publication date: September 3, 2009Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANYInventors: David Bergeal, Paul Richard Phillips, Martyn Vincent Twigg