Patent application number | Description | Published |
20100107605 | PASSIVE AMMONIA-SELECTIVE CATALYTIC REDUCTION FOR NOx CONTROL IN INTERNAL COMBUSTION ENGINES - Engine exhaust gas feedstream NOx emissions aftertreatment includes a catalytic device connected upstream of an ammonia-selective catalytic reduction device including a base metal. Engine operation can be modulated to generate an engine-out exhaust gas feedstream that converts to ammonia on the catalytic device. The ammonia is stored on the ammonia-selective catalytic reduction device, and used to reduce NOx emissions in the exhaust gas feedstream. | 05-06-2010 |
20100229533 | PEROVSKITE-TYPE COMPOUNDS FOR USE IN LEAN NOx TRAPS - An exhaust aftertreatment system for a lean-burn engine may include a lean NO | 09-16-2010 |
20110070139 | CATALYST COMBINATIONS AND METHODS AND SYSTEMS FOR OXIDIZING NITRIC OXIDE IN A GAS STREAM - One embodiment of the invention may include a product comprising a catalyst combination comprising a perovskite catalyst and a second catalyst that is not a perovskite catalyst. | 03-24-2011 |
20110076212 | METHODS AND SYSTEMS FOR OXIDIZING NITRIC OXIDE IN A GAS STREAM - An after-treatment system architecture and method for oxidizing the nitric oxide component of a gas stream. | 03-31-2011 |
20120036834 | Mn, Ce and Zr MIXED OXIDES OXIDATION CATALYST - The oxidation of nitrogen oxide (NO) in an oxygen-containing exhaust gas flow from a diesel or other lean-burn engine may be catalyzed using particles of co-precipitated and calcined manganese (Mn), cerium (Ce) and zirconium (Zr) mixed oxides. In preferred embodiments, the molar ratios of Mn, Ce and Zr to the total amount of base metals in the ternary mixed oxide catalyst are in the range of 0.25-0.35, 0.40-0.50 and 0.20-0.25, respectively. Further, this ternary mixed oxide catalyst is less susceptible to sulfur poisoning than previously-disclosed binary mixed oxide catalysts. The ternary mixed oxide catalyst may also be regenerated—and the inhibiting effect of SO | 02-16-2012 |
20120042631 | CATALYST MATERIALS FOR AMMONIA OXIDATION IN LEAN-BURN ENGINE EXHAUST - An exhaust aftertreatment system and a method for treating exhaust produced by a lean-burn engine are provided. The exhaust aftertreatment system may include an exhaust gas treatment subsystem and a clean-up oxidation catalyst located downstream of the exhaust gas treatment subsystem. The clean-up oxidation catalyst can selectively oxidize NH | 02-23-2012 |
20120134907 | COATED PEROVSKITE-BASED CATALYSTS, CATALYST COMBINATIONS AND METHODS OF TREATING A GAS STREAM - One embodiment of the invention includes a method of treating a gas stream comprising flowing the gas stream over a hydrocarbon reduction and NO | 05-31-2012 |
20120157301 | METHOD FOR PREPARING PEROVSKITE OXIDE-BASED CATALYST PARTICLES - A high-surface area fine particle dispersal of LaMnO | 06-21-2012 |
20120159927 | PEROVSKITE OXIDE COMPOUNDS FOR USE IN EXHAUST AFTERTREATMENT SYSTEMS - A method for removing NO | 06-28-2012 |
20120159935 | PEROVSKITE-BASED CATALYSTS, CATALYST COMBINATIONS AND METHODS OF MAKING AND USING THE SAME - One embodiment of the invention may include a method comprising providing a product comprising a substrate comprising a perovskite catalyst, NO | 06-28-2012 |
20120167553 | EXHAUST AFTERTREATMENT SYSTEMS THAT INCLUDE AN AMMONIA-SCR CATALYST PROMOTED WITH AN OXYGEN STORAGE MATERIAL - A low-oxygen content exhaust flow produced by an engine that is combusting, on average, a stoichiometric mixture of air and fuel generally contains various unwanted gaseous emissions. The exhaust flow is treated by an exhaust aftertreatment system that includes a three-way-catalyst (TWC) and an ammonia-selective catalytic reduction (ammonia-SCR) catalyst positioned downstream from the TWC in a flow direction of the exhaust flow. The ammonia-SCR catalyst includes (1) a base metal ion-substituted zeolite and/or a base metal ion-substituted silicoaluminophosphate and (2) an oxygen storage material selected from the group consisting of a metal oxide or a mixed metal oxide that exhibits oxygen storage and release capacity. The serial arrangement of the TWC and the ammonia-SCR catalyst enhances the conversion of NO | 07-05-2012 |
20120183467 | LOW TEMPERATURE OXIDATION OF AMMONIA IN NITRIC ACID PRODUCTION - Ammonia in a gas stream comprising oxygen and nitrogen may be effectively completely oxidized to a mixture of NO and NO | 07-19-2012 |
20120191288 | ON-BOARD DIAGNOSTICS SYSTEM AND METHOD - An on-board diagnostics system and method are disclosed for a vehicle having an engine and an exhaust system. The system includes a modified selective catalytic reduction catalyst coupled to the engine via the exhaust system, where the modified selective catalytic reduction catalyst includes oxygen storage components. An upstream oxygen sensor is disposed in the exhaust pipe upstream of the modified selective catalytic reduction catalyst and a downstream oxygen sensor is disposed in the exhaust pipe downstream from the modified selective catalytic reduction catalyst. An engine control module receives data from the upstream and downstream oxygen sensors and determines a lifespan of the modified selective catalytic reduction catalyst based upon the data from the upstream and downstream oxygen sensors. | 07-26-2012 |
20120240554 | MANGANESE-BASED OXIDES PROMOTED LEAN NOx TRAP (LNT) CATALYST | 09-27-2012 |
20120304624 | NON-STOICHIOMETRIC PEROVSKITE OXIDE OXIDATION CATALYST FOR OXIDIZING NO TO NO2 - A non-stoichiometric perovskite oxide having the general chemical formula La | 12-06-2012 |
20130019589 | EXHAUST AFTERTREATMENT SYSTEM FOR COMPRESSION-IGNITION ENGINES - An internal combustion engine configured to operate in a compression-ignition combustion mode includes an exhaust aftertreatment system. The exhaust aftertreatment system includes a catalyst device fluidly coupled upstream of an ammonia-selective catalytic reduction device. The, catalyst device includes first, second, and third elements fluidly coupled in series. The first element includes a three-way catalytic element, the second element includes a NOx adsorber, and the third element includes an oxidation catalytic element. | 01-24-2013 |
20130108544 | SCR CATALYSTS PREPARATION METHODS | 05-02-2013 |
20130111876 | LOW COST LEAN NOx REDUCTION CATALYST SYSTEM - An exhaust aftertreatment system that includes a suitable combination of particulate catalyst materials is used to effectively reduce an amount of NO | 05-09-2013 |
20130259779 | CARBON MONOXIDE-SELECTIVE OXIDATION CATALYSTS - Particles of mixed oxides of cerium, zirconium, and copper (CeZrCuO | 10-03-2013 |
20130294989 | NITRIC OXIDE OXIDATION OVER SILVER-BASED CATALYSTS | 11-07-2013 |
20130294990 | SILVER PROMOTED CLOSE-COUPLED NOx ABSORBER | 11-07-2013 |
20140161718 | SYNTHESIS OF Cu/SAPO-34 WITH VARIABLE COPPER LOADINGS - A Cu-amine complex of hydrated copper sulfate and ethylene diamine or an oligomer of ethylene diamine is employed in a direct (one-pot) synthesis of a copper-cation containing silicoaluminophosphate (SAPO) zeolite material having the Cu/SAPO-34 structure. The copper-amine complex is included in an aqueous gel of precursors of the SiO | 06-12-2014 |
Patent application number | Description | Published |
20080202673 | System and method for depositing thin layers on non-planar substrates by stamping - An elastomeric stamp is used to deposit material on a non-planar substrate. A vacuum mold is used to deform the elastomeric stamp and pressure is applied to transfer material from the stamp to the substrate. By decreasing the vacuum applied by the vacuum mold, the elasticity of the stamp may be used to apply this pressure. Pressure also may be applied by applying a force to the substrate and/or the stamp. The use of an elastomeric stamp allows for patterned layers to be deposited on a non-planar substrate with reduced chance of damage to the patterned layer. | 08-28-2008 |
20100189837 | System and Method for Depositing Thin Layers on Non-Planar Substrates by Stamping - An elastomeric stamp is used to deposit material on a non-planar substrate. A vacuum mold is used to deform the elastomeric stamp and pressure is applied to transfer material from the stamp to the substrate. By decreasing the vacuum applied by the vacuum mold, the elasticity of the stamp may be used to apply this pressure. Pressure also may be applied by applying a force to the substrate and/or the stamp. The use of an elastomeric stamp allows for patterned layers to be deposited on a non-planar substrate with reduced chance of damage to the patterned layer. | 07-29-2010 |
20110248249 | STACKED WHITE OLED HAVING SEPARATE RED, GREEN AND BLUE SUB-ELEMENTS - The present invention relates to efficient organic light emitting devices (OLEDs). More specifically, the present invention relates to white-emitting OLEDs, or WOLEDs. The devices of the present invention employ three emissive sub-elements, typically emitting red, green and blue, to sufficiently cover the visible spectrum. The sub-elements are separated by charge generating layers. | 10-13-2011 |
20140361271 | Stacked White OLED Having Separate Red, Green and Blue Sub-Elements - The present invention relates to efficient organic light emitting devices (OLEDs). More specifically, the present invention relates to white-emitting OLEDs, or WOLEDs. The devices of the present invention employ three emissive sub-elements, typically emitting red, green and blue, to sufficiently cover the visible spectrum. The sub-elements are separated by charge generating layers. | 12-11-2014 |
Patent application number | Description | Published |
20090191013 | MACHINING OF ALUMINUM SURFACES - Machining of aluminum workpieces with diamond or diamond-like carbon-surface coated tools may be conducted in an atmosphere containing hydrogen gas at a partial pressure effective for hydrogen to react with carbon atoms at the surface to form C—H bonds that resist adherence of aluminum to the tool surface. Suitably, hydrogen or a hydrogen-containing gas mixture is confined at the interface of tool and workpieces at the machining site. Hydrogen partial pressure may be determined for a tool-workpiece-machining temperature combination by calculation or experiment. | 07-30-2009 |
20110095490 | COATED SEAL FOR SEALING PARTS IN A VEHICLE ENGINE - A coated seal for sealing parts in a vehicle engine is disclosed herein. The seal includes a seal body portion including glass fiber-filled polytetrafluoroethylene, carbon-filled polytetrafluoroethylene, molybdenum disulfide-filled polytetrafluoroethylene, bronze-filled polytetrafluoroethylene or combinations thereof; and a coating portion including either expanded polytetrafluoroethylene, carbon-filled polytetrafluoroethylene, or combinations thereof. A method of using a coated seal in a vehicle engine is also disclosed herein. A system to achieve decreased friction, decreased noise, and improved wear in injector seals in a vehicle engine is also disclosed herein. | 04-28-2011 |
20140272514 | BATTERY MODULE FOR MITIGATING GAS ACCUMULATION AND METHODS THEREOF - A battery module is provided. The battery module includes a plurality of battery cell assemblies configured to electrically communicate with each other. Each battery cell assembly has an electrode stack enclosed by a case. The electrode stack is positioned in the case to form one or more peripheral spaces between the electrode stack and the case. Support members are positioned adjacent to each of the battery cell assemblies to contact a desired portion of the electrode stack. The support members are configured to focus a compressive force on a desired portion of the electrode stack. The compressive force urges gases formed during operation of the electrode stack into the peripheral spaces within the case. | 09-18-2014 |