Patents for F01N 3 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust (61,059)
11/1997
11/13/1997DE19616206A1 Vorrichtung zur Nachbehandlung von Abgas durch Kombination von Gasentladung und Katalysator Apparatus for treatment of exhaust gas through a combination of gas discharge and catalyst
11/12/1997EP0806554A1 Exhaust system for internal combustion engines
11/12/1997EP0806553A2 Method to purify the exhaust gas of Diesel engines
11/12/1997EP0805915A1 Device for removing substances in gas and vapour form in a stream of exhaust air
11/12/1997EP0805914A2 Process for regulating the fuel-oxygen ratio of exhaust gas upstream of a catalytic converter
11/11/1997US5686164 Electrical insulation of structures in a honeycomb body in particular an electrically heatable catalyst carrier body
11/11/1997US5686039 Methods of making a catalytic converter or diesel particulate filter
11/11/1997US5685156 Catalytic combustion system
11/11/1997US5685145 Method and apparatus for performance enhancement of the manifold catalyst in the automotive exhaust system
11/11/1997US5685144 Exhaust gas ignition during cold starts
11/11/1997US5685143 Catalytic exhaust gas purifier and catalytic method of purifying exhaust gas
11/06/1997WO1997041336A1 Apparatus and method for regenerating nox catalyst for diesel engines
11/06/1997WO1996031313A3 Welding a stack of thin metal sheets
11/06/1997DE19713676A1 Secondary air system for internal combustion engine
11/06/1997DE19711491A1 Particulate sensor for IC engine filter
11/06/1997DE19639146C1 IC engine with exhaust gas turbo system and incorporating catalyser
11/06/1997DE19617190A1 Heating exhaust gas catalyst rapidly, by upstream injection of fuel gas-air mixture
11/06/1997DE19616197A1 Vorrichtung mit gekühlten Bereichen zur elektrischen Nachbehandlung von Abgas Device with cooled exhaust gas after-treatment areas for electrical
11/05/1997EP0805265A2 Catalytic converter for Diesel engine exhausts
11/05/1997EP0804741A1 Process for checking parts of motor vehicle systems
11/04/1997US5684248 Device for determining the degree of deterioration of a catalyst
11/04/1997US5684214 Contacting ethylene oxide with a synthesis gas to produce 3-hydroxypropanal and contacting 3-hydroxypropanal with hydrogen to produce 1,3-propanediol
11/04/1997US5683660 Exhaust gas treatment and metal working
11/04/1997US5682870 Air fuel ratio detecting device and system for engines
11/04/1997US5682740 Coating layer of barium-containing mixed oxide having nox-reducing capability
10/1997
10/30/1997WO1997040266A2 System for reduction of harmful exhaust emissions from diesel engines
10/30/1997WO1997040265A1 Process and device for treating waste gas
10/30/1997WO1997039822A1 Device for aftertreatment of waste gas through a combination of gas discharge and catalyst
10/30/1997DE19711295A1 System for determining deterioration in exhaust gas catalytic converter
10/30/1997DE19709432A1 Device for treating exhaust gases of internal combustion engines
10/29/1997EP0803646A2 Method and apparatus for improving vehicle fuel economy
10/29/1997EP0803643A1 Exhaust gas catalyst
10/29/1997EP0803289A1 Electric dust-collection unit and air cleaning apparatus using the same
10/29/1997EP0802960A1 Platinum metal fuel additive for water-containing fuels
10/29/1997EP0802822A1 Reinforcing web for multicellular converter
10/29/1997CN1163653A Process and device for producing honeycomb body, especially catalyst substrate with housing
10/28/1997US5682317 Virtual emissions monitor for automobile and associated control system
10/28/1997US5681538 Baffle; support and anchoring flanges
10/28/1997US5681495 Alternator power-supply type electric heating control apparatus
10/23/1997WO1997039227A1 Metal honeycomb body
10/23/1997WO1997039226A1 AMMONIA INJECTION IN NOx CONTROL
10/23/1997DE19628796C1 System for removal of nitrogen oxide(s), carbon mon:oxide, etc. from engine exhaust gases
10/23/1997DE19615830A1 Vehicle IC engine catalytic converter heating control
10/22/1997EP0802315A2 An exhaust gas purification device for an internal combustion engine
10/22/1997EP0802309A1 Device for the purification of combustion engine exhaust gas
10/22/1997EP0801707A1 Air injection strategies for effectively burning hydrocarbons released from a hydrocarbon trap
10/22/1997CN1036216C Secondary air supplying unit in motor bike
10/21/1997US5680503 Honeycomb heater having a portion that is locally quickly heated
10/21/1997US5679316 Activated carbon, production thereof and adsorption using activated carbon
10/21/1997US5678403 Adsorption apparatus for unburnt hydrocarbons for internal combustion engine
10/16/1997WO1997038212A1 Secondary-air system for an internal-combustion engine
10/16/1997WO1997037760A1 Perovskite-type metal oxide compounds
10/15/1997EP0801215A1 An apparatus for detecting deterioration of a three-way catalytic converter for an engine
10/15/1997EP0800618A2 Method of monitoring a secondary air pump
10/15/1997EP0800617A1 Process for testing the operation of a catalytic converter with an oxygen sensor
10/14/1997US5677258 Containing barium, lanthanum, other metals; automobile exhaust systems
10/14/1997US5676101 Controllers for a combustion engine able to lower the intake air pressure to a vacuum during an engine cranking operation
10/14/1997US5675969 Exhaust gas control device in an internal combustion engine
10/14/1997US5675968 Secondary air control apparatus for exhaust gas purifier
10/14/1997US5675967 Method and arrangement for evaluating the operability of a catalytic converter
10/09/1997WO1997036676A1 Method and apparatus for reducing harmful emissions from a diesel engine by urea injection scr
10/09/1997DE19654763A1 Silencer for chainsaw Two=stroke IC-engine
10/09/1997DE19629163C1 Diesel engine operation to suppress nitrogen oxides emission
10/08/1997EP0799988A2 Air-fuel ratio control system for internal combustion engines
10/08/1997EP0799987A2 Air-fuel ration control system for internal combustion engines
10/08/1997EP0799986A2 Air-fuel ratio control system for internal combustion engines
10/08/1997EP0799369A1 Double-walled housing, especially for catalytic converters in motor vehicles
10/08/1997CN2264252Y Multifunctional tail gas purifying economizer for I.C engine
10/08/1997CN1161727A Catalyst carrier element having internal insulation
10/08/1997CN1161404A Exhaust gas purifier
10/07/1997US5674461 Exhaust device
10/07/1997US5674099 Outboard drive exhaust system
10/07/1997US5673556 Disproportionation resistant metal hydride alloys for use at high temperatures in catalytic converters
10/07/1997US5673555 Method for checking the efficiency of a catalytic converter
10/02/1997WO1997035683A1 Soldered metal honeycomb structures with spacers in the solder gaps and process and solder for its production
10/01/1997EP0798452A1 Particulate trap for diesel engine
10/01/1997EP0798042A1 Ceramic honeycomb catalyst having excellent thermal shock resistance
10/01/1997EP0797702A1 High efficiency vessels for bleaching lignocellulosic, cellulosic and synthetic polymeric fibrous materials
10/01/1997EP0673473B1 Catalytic converter with two or more honeycomb elements inside a tubular shealth, and a method of manufacturing it
10/01/1997CN2263712Y Vehicle tail gas clarifier
09/1997
09/30/1997US5672324 Heat generator positioned between electrodes; multilayer
09/30/1997US5671779 Exhaust pipe structure in outboard engine system
09/25/1997WO1997035100A1 Exhaust silencer arrangement
09/25/1997WO1997035099A1 Caltalytic converter for a tailpipe including apparatus for relieving back pressure
09/25/1997WO1997034701A1 Treatment of particulate pollutants
09/25/1997DE19611396A1 Gelöteter metallischer Wabenkörper mit Abstandshaltern in den Lötspalten und Verfahren und Lot zu seiner Herstellung Soldered metal honeycomb body with spacers in the solder gaps and procedures and Lot for its production
09/25/1997DE19611133A1 Schalldämpfer-Anordnung Muffler assembly
09/25/1997CA2249262A1 Caltalytic converter for a tailpipe including apparatus for relieving back pressure
09/24/1997EP0796983A1 Device for purifying exhaust gas of engine
09/24/1997EP0796830A1 Porous permeable body and method for its preparation
09/24/1997EP0796390A1 Process and device for monitoring the operation of a catalyst
09/24/1997EP0796389A1 Water-cooled catalyst system
09/24/1997EP0796137A1 Close coupled catalyst
09/24/1997EP0733188A4 Cooled support structure for a catalyst
09/23/1997US5670746 Structure of electrode unit
09/23/1997US5670444 Removal of nitrogen oxide from exhaust gas with silver metal catalyst on porous inorganic oxide
09/23/1997CA2138563C Catalyst deterioration-determining device of an internal combustion engine
09/18/1997DE19610137A1 Vehicle exhaust cleaner using electrical discharge
09/18/1997DE19609923A1 Overheating protection monitoring method e.g. for IC engine operated at full load
09/18/1997DE19609922A1 Additional air supply monitoring for exhaust gas of internal combustion engine