Did You Know...
...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 7393509 | Honeycomb structure The present invention provides a honeycomb structure 1 comprising partition walls 2 so as to form a plurality of cells 3 extending from one end face 42 to the other end face 44, and a plug portion 4 plugging the cell 3 | 07/01/2008 |
| 7377102 | Device and method for heating exhaust gas A device and method for heating exhaust gas from the combustion of fossil fuel upstream of an emissions control device, especially a diesel particulate filter. A conduit receives an exhaust gas flow, and is in fluid communication with the emissions control device fo... | 05/27/2008 |
| 7367182 | Exhaust emission control device for an internal combustion engine A forced regeneration device which performs regeneration of a particulate filter includes oxidation catalysts (23, 24a) disposed upstream from the particulate filter or in said particulate filter and a burner (30) located upstream from the oxida... | 05/06/2008 |
| 7332142 | Method and apparatus for bubble injection of agent into exhaust gas for use with emission abatement device An apparatus comprises an exhaust system and an injection system. The injection system is configured to vaporize a first liquid portion of an agent into at least one bubble so as to inject a second liquid portion of the agent into the exhaust system by use of the at... | 02/19/2008 |
| 7273514 | Apparatus and method for filtering particulate and NOx emissions An apparatus and method for filtering particulate from an internal combustion engine by use of monolithic particulate trap systems having porous walls (2c, 24c). The porous walls (2c, 24c) filter the particulat... | 09/25/2007 |
| 7244281 | Method and apparatus for trapping and purging soot from a fuel reformer A plasma fuel reformer assembly for producing reformate gas includes a fuel reformer having an air/fuel input assembly, an electrode assembly, and a soot trap positioned downstream of the electrode assembly. The electrode assembly includes a first electrode and a se... | 07/17/2007 |
| 7240483 | Pre-combustors for internal combustion engines and systems and methods therefor Described here are systems and methods for treating fuel injected exhaust streams. In general, the systems comprise a fuel injector, a pre-combustor, and a fuel combustor. The methods described herein include methods for regenerating a NOx trap or a DPF, ... | 07/10/2007 |
| 7210285 | Internal combustion engine exhaust gas purifying system An internal combustion engine exhaust gas purifying system (10) having a continuous regenerating diesel particulate filter system (3) on the exhaust passage (2) of an internal combustion engine (1) is constituted by including collected-qu... | 05/01/2007 |
| 7210286 | Method and system for controlling fuel included within exhaust gases to facilitate regeneration of a particulate filter Method, system, and controller for controlling fuel included within exhaust gases to facilitate regeneration of a particulate filter. The method, system, and controller being applicable in systems having an engine which emits exhaust gases having particulates which ... | 05/01/2007 |
| 7185486 | Method for the post-treatment of exhaust gases by subsequent injection of fuel in a diesel-type internal combustion engine provided with a pre-catalyst and a particulate filter A process is proposed for exhaust gas aftertreatment by afterinjection of fuel in a diesel internal combustion engine with a precatalyst and a particulate filter, in which process the afterinjection NE is performed as a function of the temperature in the area of the... | 03/06/2007 |
| 7185488 | Exhaust purifying apparatus and exhaust purifying method for internal combustion engine In an exhaust purifying apparatus, a fuel adding valve (31) supplies unburned fuel to an exhaust passage (14) of a diesel engine (10) so that particulate matter collected in a catalytic converter (33) is burned and removed. The supply of ... | 03/06/2007 |
| 7153334 | Fuel reforming system and method of operation Carbonaceous material is removed from a catalyst within an autothermal reformer by introducing an isolated oxidant stream into the autothermal reformer prior to introduction of hydrocarbon fuel into the reformer. A hydrocarbon stream is introduced into the autotherm... | 12/26/2006 |
| 7122170 | Catalysts for SPOC™ enhanced synthesis gas production A process and system for producing synthesis gas by a SPOC® enhanced catalytic partial oxidation process is disclosed. Light hydrocarbons in a H2S-containing feed gas are partially oxidized to produce hydrogen and carbon monoxide over a catalyst that sim... | 10/17/2006 |
| 7107622 | Vapor permeable retroreflective garment The disclosure describes vapor permeable retroreflective material for use on protective garments. The material may be formed in a non-continuous pattern that provides a high-level of retroreflective brightness, yet also provides adequate permeability to prevent expo... | 09/19/2006 |
| 7083829 | Vehicle having atmosphere pollutant treating surface A method and apparatus for treating the atmosphere comprising moving a vehicle through the atmosphere, the vehicle having at least one atmosphere contacting surface and a pollutant treating composition located on said surface. A specific embodiment comprises coating... | 08/01/2006 |
| 7059117 | Method and device for controlling an exhaust treatment system A device and a method for controlling an exhaust-gas aftertreatment system, for example, for an internal combustion engine, are provided. The exhaust-gas aftertreatment system includes at least one catalytic converter. A reducing agent is supplied to the exhaust-gas... | 06/13/2006 |
| 7047729 | Control method and system for diesel particulate filter regeneration A method and system for controlling regeneration in a particulate filter coupled to an internal combustion engine. The method controls hydrocarbon injection into engine exhaust upstream of an oxidation catalyst disposed upstream of the particulate filter in accordan... | 05/23/2006 |
| 7040084 | Exhaust emission aftertreatment An engine control system in a vehicle including a diesel engine in the vehicle, a diesel fuel tank for supplying fuel to the diesel engine, a gasoline tank in the vehicle, a reformer for providing partial oxidation products from gasoline contained in the gasoline ta... | 05/09/2006 |
| 7021048 | Combination emission abatement assembly and method of operating the same A combination emission abatement assembly includes a first emission device such as a NOx trap and a second emission abatement device such as a soot particulate filter. Reformate gas from a fuel reformer is used to selectively regenerate both the NOx ... | 04/04/2006 |
| 6989045 | Apparatus and method for filtering particulate and reducing NOx emissions An apparatus and method for filtering particulate from an internal combustion engine by use of monolithic particulate trap systems having porous walls (2c, 24c). The porous walls (2c, 24c) filter the particulat... | 01/24/2006 |
| 6971230 | Method for the post-treatment of exhaust gases by subsequent injection of fuel in a diesel-type internal combustion engine provided with a pre-catalyst and a particle filter A process is proposed for exhaust gas aftertreatment by afterinjection of fuel in a diesel internal combustion engine with a precatalyst and a particulate filter, in which process the afterinjection NE is performed as a function of the temperature in the area of the... | 12/06/2005 |
| 6955793 | Temperature controlled reaction vessel A reaction vessel which includes internally placed temperature controlling mixing baffles in which liquid is boiled, resulting in an isothermal heat sink. The energy of vaporization is supplied by the reaction vessel contents. The vapor produced by the boiling is di... | 10/18/2005 |
| 6863522 | Method for introducing fuel and/or thermal energy into a gas stream A method serves the purpose of introducing fuel and/or thermal energy into a gas stream flowing to a catalytic reactor. The gas stream flows in part through an exterior chamber and in part through an interior chamber, which is at least partially open in the flow dir... | 03/08/2005 |
| 6812029 | Evaluating method for NOx eliminating catalyst, an evaluating apparatus therefor, and an efficiency controlling method therefor In order to prevent a catalyst for an internal combustion engine from decreasing efficiency by deterioration after long time use of the catalyst, the decreased efficiency of the catalyst is determined, and the internal engine is controlled based on results of the de... | 11/02/2004 |
| 6745562 | Diverter for catalytic converter A diverter (60) is provided, which is of low cost and which is effective in more evenly distributing exhaust gasses passing from a small diameter upstream exhaust gas pipe section (42) into a much larger diameter catalytic converter assembly (20... | 06/08/2004 |
| 6722124 | Catalytic converter A catalytic converter assembly comprises a housing having an exhaust gas inlet and an exhaust gas outlet. A first chamber enclosed by the housing receives incoming exhaust gas and a second chamber contains a catalyst bed. Gas flows from the first chamber to the seco... | 04/20/2004 |
| 6596054 | Method for carbon monoxide reduction during thermal/wet abatement of organic compounds A method and system for retrofitting an integrated scrubber to provide maximum oxygen content in a controlled decomposition oxidation (CDO) abatement process. The system includes a thermal/wet integrated scrubber, and a compressed air supply for supplying... | 07/22/2003 |
| 6527828 | Oxygen enhanced CDA modification to a CDO integrated scrubber A method and system for retrofitting an integrated scrubber to provide maximum oxygen content in a controlled decomposition oxidation (CDO) abatement process including a thermal/wet integrated scrubber, and a compressed air supply for supplying air to an ... | 03/04/2003 |
| 6481200 | Catalyst warming apparatus of internal combustion engine A catalyst warming apparatus for an internal combustion engine provides an appropriate combustible mixture for heating an exhaust-purifying catalyst disposed in an exhaust passage of an internal combustion engine, without providing a special pre-mixing ch... | 11/19/2002 |
| 6455012 | Acid gas burner and reactor apparatus and method An acid gas burner and reactor apparatus, and method when used in the Claus process, are improved over the prior art by the provision of a substantially continuous circular slot for the flow of a reactant gas from an annular conduit into the open outflow ... | 09/24/2002 |
| 6383462 | Fuel dilution methods and apparatus for NOx reduction Methods and apparatus for reducing the content of nitrogen oxides in the flue gases produced by the combustion of fuel gas and combustion air introduced into a burner connected to a furnace are provided. The methods basically comprise the steps of conduct... | 05/07/2002 |
| 6383461 | Fuel dilution methods and apparatus for NOx reduction Methods and apparatus for reducing the content of nitrogen oxides in the flue gases produced by the combustion of fuel gas and combustion air introduced into a burner connected to a furnace are provided. The methods basically comprise the steps of conduct... | 05/07/2002 |
| 6374595 | Plasma-assisted catalytic storage reduction system A two-stage method for NOx reduction in an oxygen-rich engine exhaust comprises a plasma oxidative stage and a storage reduction stage. The first stage employs a non-thermal plasma treatment of NOx gases in an oxygen-rich exhaust and... | 04/23/2002 |
| 6363716 | Plasma fuel processing for NOx control lean burn engines A highly reactive reducing gas mixture is produced from vehicle fuel and introduced into the exhaust gas of an internal combustion engine operated at lean burn conditions and passed over a reducing catalyst to convert NOX emissions to benign em... | 04/02/2002 |
| 6357367 | Method for NOx reduction by upper furnace injection of biofuel water slurry In an improved method for reducing nitrogen oxide emissions from a furnace wherein at least one injector is attached to the furnace above the primary combustion zone a biomass or biowaste and water slurry is injected into the flue gas through the injector... | 03/19/2002 |
| 6312651 | Apparatus for burning a combustible gas containing hydrogen sulfide Apparatus for recovering sulphur from a combustible gas stream comprising hydrogen sulphide is provided. The combustible gas stream, air and oxygen, or an oxygen-rich stream, are fed via a coaxial burner into an elongate furnace thereby creating a longitu... | 11/06/2001 |
| 6176078 | Plasma fuel processing for NOx control of lean burn engines A highly reactive reducing gas mixture is produced from vehicle fuel and introduced into the exhaust gas of an internal combustion engine operated at lean burn conditions and passed over a reducing catalyst to convert NOX emissions to benign em... | 01/23/2001 |
| 6086828 | Heat exchanger efficiency control by differential temperature A regenerative thermal oxidizer (H-101) includes a number of heat exchange columns (A, B) topped by a combustion chamber (C-101). Contaminated air is directed into one of the columns and oxidation is completed as the flow passes through the combustion cha... | 07/11/2000 |
| 5948372 | Device for destroying reaction gases by incineration A device for destroying by electro-oxidation a photographic solution having at least one photographic developer. The device comprises a) an electro-oxidation unit adapted to degrade the photographic developer into volatile organic compounds and to produce... | 09/07/1999 |
| 5928697 | Purification of roaster gases A process for operating a coffee roaster to obtain reduced levels of pollutants in exhaust gases vented from the coffee roaster. In the process, fuel gases are combusted in a combustion chamber and all of the combusted gases are directed into a roasting c... | 07/27/1999 |
