| Patents for F01N 3 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust (61,059) |
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| 05/03/1994 | US5307626 Method and apparatus for controlling an internal combustion engine, using the current temperature of a downstream catalytic converter |
| 04/28/1994 | WO1994009333A1 Dynamic vacuum insulation |
| 04/28/1994 | WO1994009317A1 Fuel injection nozzle for burner |
| 04/28/1994 | WO1994008698A1 Gas filter |
| 04/28/1994 | DE4235625A1 Exhaust silencer for motor vehicle - has extra connection to remove condensate from excess pressure chamber to exhaust discharge tube |
| 04/28/1994 | CA2145394A1 Gas filter |
| 04/27/1994 | EP0594497A1 Module for filtration, separation, gas or liquid purification or catalytic conversion |
| 04/27/1994 | EP0593912A1 Method for the diagnosis of the components of a heating circuit for an electrically conductive body |
| 04/27/1994 | EP0593904A1 Improvement in exhaust gas conversion system using zeolite positioned close to exhaust gas source |
| 04/27/1994 | EP0593898A1 Exhaust gas conversion method and apparatus using thermally stable zeolites |
| 04/27/1994 | EP0593622A1 Device for supplying extra air in exhaust gases from car engines upstream from a catalytic cleaner. |
| 04/27/1994 | EP0560803B1 Determination of the location of the reaction zone in a catalytic converter |
| 04/27/1994 | EP0541582B1 Exhaust gas installation in an internal combustion engine |
| 04/27/1994 | CN1086001A Metal honeycomb body of intertwined sheet-metal layers and method for its production |
| 04/26/1994 | US5306890 Method of producing corrugated metal sheeting and method of producing honeycomb structure therefrom for carrying catalytic agents used for purifying exhaust gases |
| 04/26/1994 | US5306881 Exhaust silencer with spark arrester |
| 04/26/1994 | US5306470 Conical microlith catalytic reaction system |
| 04/26/1994 | US5306185 Catalytic elements for marine propulsion device |
| 04/26/1994 | US5305603 Exhaust gas duct for a row of cylinders of an internal combustion engine |
| 04/26/1994 | US5305602 Device for catching and removing particulates for a diesel engine |
| 04/26/1994 | CA1328724C Compact vacuum insulation |
| 04/21/1994 | DE4234931A1 Catalytic converter for automotive and other fossil fuel applications - has roughened gas passage surfaces to disrupt laminar gas flow and maximising gas contact with catalytic material |
| 04/21/1994 | CA2100935A1 Exhaust gas conversion system using zeolite positioned close to exhaust gas source |
| 04/20/1994 | EP0593004A1 Filter for removing pollutants from offgas |
| 04/20/1994 | EP0592713A1 Engine exhaust system with reduced hydrocarbon emissions |
| 04/20/1994 | EP0592667A1 Highly heat resistant metallic carrier for automobile catalyst |
| 04/19/1994 | US5304351 Semi-oval shaped carrier having excellent thermal stress resistance and thermal fatigue resistance for automobile exhaust gas-purifying catalyst |
| 04/19/1994 | US5303686 Method of purifying exhaust gases of an Otto-cycle engine |
| 04/19/1994 | US5303580 Method and arrangement for determining the state of deterioration of a catalyzer |
| 04/19/1994 | US5303548 Device for determining deterioration of a catalytic converter for an engine |
| 04/19/1994 | US5303547 Emissions control system and method |
| 04/17/1994 | CA2108511A1 Filter for the separation of impurities from waste gases |
| 04/16/1994 | CA2080676A1 Engine exhaust system with reduced hydrocarbon emissions |
| 04/14/1994 | WO1994007588A1 Heat-resistant filter |
| 04/14/1994 | DE4334763A1 IC engine exhaust gas cleaning system in IC engine exhaust gas pipeline - has Nitrogen-Oxide absorption unit which is arranged in the exhaust gas pipeline and absorbs Nitrogen-Oxide if air-fuel ratio flowing in unit is lean and frees Nitrogen-Oxide if ratio is rich |
| 04/14/1994 | DE4234436A1 Retro:fitted catalytic converter for motor vehicles - with casing filled with ceramic spheres coated with chromium@ and precious metal |
| 04/13/1994 | EP0592258A1 Exhaust device for internal combustion engines |
| 04/13/1994 | EP0591689A1 Metallic carrier for catalyst with a matrix of metal strips coated with catalyst, said matrix being welded within a tubular casing |
| 04/13/1994 | EP0591677A1 Engine cooling system |
| 04/13/1994 | EP0591180A1 Particulate filter trap for a diesel engine |
| 04/12/1994 | US5302355 Exhaust purifying device and method of producing the same |
| 04/12/1994 | US5301504 Combination valve |
| 04/12/1994 | US5301503 Vehicle internal combustion engine exhaust system |
| 04/12/1994 | US5301502 After-burner system |
| 04/12/1994 | US5301501 Device for determining deterioration of a catalytic converter for an engine |
| 04/07/1994 | DE4333343A1 Catalysts for exhaust gas purificn. - contg. platinum plus iridium and/or Group IIIB and/or IVB metal |
| 04/06/1994 | EP0590814A2 A particulate and exhaust gas emission control system |
| 04/06/1994 | EP0590699A1 Burner for heating exhaust gas |
| 04/06/1994 | EP0590596A1 Metal catalyst carrier for exhaust gas purification |
| 04/06/1994 | EP0590202A1 Process and device for removing undesirable chemical compounds from gases, exhaust gases, vapors and brines |
| 04/06/1994 | EP0590171A1 Honeycomb structure for purifying exhaust gas and method of manufacturing same |
| 04/06/1994 | EP0404879B1 Device for burning out solids, and process for manufacturing said device |
| 04/06/1994 | CA2107654A1 Catalytic converter with a metal carrier comprising a matrix of catalytically coated metal strips welded into a jacket tube |
| 04/05/1994 | US5300133 Soot particle exhaust-gas filter |
| 04/05/1994 | US5299549 Method of controlling the fuel-air ratio of an internal combustion engine |
| 03/31/1994 | WO1994007010A1 Exhaust gas flow system for an internal combustion engine fitted with a supercharger, and method used for such a system |
| 03/31/1994 | WO1994007008A1 Method of removing electrically conducting particles from a stream of gas, and device for carrying out the method |
| 03/31/1994 | WO1994006594A1 Process for soldering a metallic structure, in particular partial areas of a honeycombed body |
| 03/31/1994 | WO1994006543A1 Plasmachemical process for decomposing and/or destroying pollutants, in particular for cleaning exhaust fumes of internal combustion engines or other fossil fuel driven machines, and device therefor |
| 03/31/1994 | WO1994006538A1 Exhaust gas cleaning filter medium and method of manufacturing the same |
| 03/31/1994 | WO1994003712A3 Method and apparatus for filtering engine exhaust |
| 03/31/1994 | DE4230667C1 Particle filter for diesel engine exhaust gas - has dividing wall in housing to give gas flows through channels each with a filter unit |
| 03/30/1994 | EP0589393A2 Method for purifying oxygen rich exhaust gas |
| 03/30/1994 | EP0589169A1 Device to monitor the operation of exhaust gas catalytic converters |
| 03/30/1994 | EP0542775B1 Monolithic metal honeycomb body with varying number of channels |
| 03/30/1994 | CN1084612A Smoke eliminator for motorcycles |
| 03/30/1994 | CN1084611A A catalytic automotive emission control process with improved cold-start behavior |
| 03/29/1994 | US5298046 Diesel particulate filter element and filter |
| 03/24/1994 | DE4326498A1 Diagnosis and control of system functions, e.g. for vehicles - involves defining correction measure sequences according to detected subsystem faults |
| 03/24/1994 | DE4231581A1 Verfahren zur plasmachemischen Zersetzung und/oder Vernichtung von Schadstoffen, insbesondere zur Abgasreinigung von Verbrennungsmotoren oder anderer mit fossilem Treibstoff betriebenen Maschinen, sowie zugehörige Vorrichtung Process for the plasma-chemical decomposition and / or destruction of contaminants, in particular for purifying exhaust gas of internal combustion engines or other machines operated with fossil fuel, as well as associated device |
| 03/24/1994 | DE4231338A1 Verfahren zum Beloten einer metallischen Struktur, insbesondere von Teilbereichen eines Wabenkörpers A method for applying brazing material to a metallic structure, in particular of parts of the honeycomb body |
| 03/24/1994 | DE4230631A1 Verfahren zur Entfernung von elektrisch leitenden Teilchen aus einem Gasstrom sowie Vorrichtung zur Durchführung des Verfahrens A method of removing conductive particles from a gas stream as well as apparatus for carrying out the method |
| 03/23/1994 | EP0588770A1 Process for filtering a medium and device for carrying out the process |
| 03/23/1994 | EP0588349A1 Exhaust gas sampling device for outboard motor |
| 03/23/1994 | EP0588324A1 Catalyst deterioration-detecting device for internal combustion engines |
| 03/23/1994 | EP0588315A1 Exhaust gas purification apparatus for internal combustion engine |
| 03/23/1994 | EP0587717A1 A device for controlling the temperature of exhaust gases in motor vehicles |
| 03/23/1994 | EP0587564A1 Exhaust gas purifying device for an internal combustion engine |
| 03/23/1994 | CN1084111A Method for applying brazing material to a metal structure, particularly subregions of a honeycomb body |
| 03/22/1994 | US5296198 Heater and catalytic converter |
| 03/17/1994 | WO1994005424A1 Catalyst and method for manufacturing the same |
| 03/17/1994 | WO1993024744A3 Muffler with catalytic converter arrangement |
| 03/17/1994 | DE4230595A1 Automotive catalytic converter assembly having latent heat storage medium - comprises outer housing surrounding layer of heat insulation |
| 03/17/1994 | DE4224172A1 Gasreinigungsvorrichtung Gas cleaning device |
| 03/17/1994 | DE4219145C1 Verfahren und Vorrichtung zum Beloten eines metallischen Wabenkörpers Method and apparatus for applying brazing material to a metallic honeycomb body |
| 03/16/1994 | EP0587146A2 Method and device for determination of the loading state of particle filters |
| 03/16/1994 | EP0587074A1 Device for mixing and swirling gases and liquids, especially for catalysts of motor vehicles |
| 03/16/1994 | EP0586913A2 Spray apparatus |
| 03/16/1994 | EP0586912A2 Spray nozzle |
| 03/16/1994 | EP0586408A1 Test method for a device for injection of air into the exhaust gases of an internal combustion engine. |
| 03/15/1994 | US5294411 Ceramic carrier having walls with channels for gas flow and a catalytically active surface layer as an electrical auxillary heater |
| 03/15/1994 | US5294410 Gas purification and conditioning system |
| 03/15/1994 | US5293744 Exhaust manifold muffler for an internal combustion engine |
| 03/15/1994 | US5293743 Low thermal capacitance exhaust processor |
| 03/15/1994 | US5293742 For processing exhaust gases from an engine |
| 03/15/1994 | US5293741 Warming-up system for warming up an engine for an automotive vehicle |
| 03/15/1994 | US5293740 Method and arrangement for controlling the quantity of fuel for an internal combustion engine having a catalytic converter |
| 03/10/1994 | DE4310961C1 Selective catalytic nitrogen oxide(s) redn. in exhaust gas - by stepwise reductant supply to catalyst sections on attaining minimum temp. after engine starting |
| 03/10/1994 | DE4230174A1 Automotive catalytic converter has electrically heated layer screen printed into place using thick film technology - allowing assembly to function without degrading the flow of hot gases through the catalytic passages |
| 03/10/1994 | DE4230054A1 Multihole atomizer nozzle for fuel - is also used for liquids other than fuel |