Patents for F01N 3 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust (61,059)
05/1995
05/09/1995US5412943 Apparatus and method for introducing secondary air for cleaning exhaust emissions from internal combustion engine
05/09/1995US5412942 Catalytic converter deterioration detecting system for engine
05/09/1995US5412941 Device for determining deterioration of a catalytic converter for an engine
05/09/1995US5412940 High pressure exhaust cleaning system
05/04/1995WO1995011752A1 Open cell foam structures, catalysts supported thereby and method of producing the same
05/04/1995DE4410484A1 Heating device
05/04/1995DE4336847A1 Device for the separation of particles in the exhaust gas of combustion engines
05/03/1995EP0650552A1 Metal honeycomb body of entwined layers of sheet metal and process for producing it.
05/03/1995EP0650551A1 Method and device for removing particles from internal-combustion engine exhaust gases.
05/03/1995EP0478644B1 Process and device for generating heat through the flameless burning of a fuel in a gas current
05/02/1995US5411711 Air pollution control during cold-starting of Otto engines
05/02/1995US5410877 Manifold converter
05/02/1995US5410876 Catalytic converter assembly with bypass
05/02/1995US5410875 Exhaust-gas purification device for an internal combustion engine or the like
05/02/1995US5410873 Apparatus for diminishing nitrogen oxides
05/02/1995US5410872 Automotive engine having catalytic exhaust aftertreatment device and secondary air injection control system for minimum catalyst light-off time
05/02/1995US5410871 Emission control device and method
04/1995
04/27/1995DE4436754A1 Exhaust-gas purification device with an adsorber for hydrocarbons
04/27/1995DE4414904C1 Temperature-controlled exhaust catalytic converter system for an internal combustion engine
04/27/1995DE4336091A1 Device for monitoring an electric heating element in a catalytic converter of a motor vehicle
04/26/1995EP0451207B1 Use of a platinum group metal composition as a fuel additive
04/26/1995EP0412103B2 Electrically conductive honeycomb body, process for monitoring it and its use as a support for an exhaust gas catalyst
04/26/1995CN2195622Y Discharge pipe
04/25/1995US5409870 Improving coefficient of thermal expansion and shock resistance; forming honeycomb structure; catalyst supports
04/25/1995US5409759 Metal assembly
04/25/1995US5409669 Slotted, resistance heater tube for burning trapped soot particles
04/25/1995US5409668 Method for controlling the conductance of a heated cellular substrate
04/25/1995US5409660 Sintering metal parts with a release agent
04/25/1995US5408970 Electronically controlled continuous flow fuel system
04/25/1995US5408829 Marine propulsion device
04/25/1995US5408828 Integral cast diffuser for a catalytic converter
04/25/1995US5408827 Marine propulsion device with improved catalyst support arrangement
04/20/1995DE4335153A1 Abgasanlage für eine Brennkraftmaschine mit einem Abgas-Turbolader An exhaust system for an internal combustion engine with an exhaust turbocharger
04/20/1995DE4334865A1 Control device for an internal combustion engine
04/19/1995EP0648924A1 Soundproof type water-cooled engine generator
04/19/1995EP0648313A1 Low nox cogeneration process and system.
04/19/1995EP0628135A4 Catalytic system.
04/19/1995CN2194980Y Forced exhaust explosion-proof noise-reducing device for multifunctional muffler
04/18/1995US5407456 Exhaust gas purifying device for vehicles
04/18/1995US5406796 Exhaust gas turbocharger for a supercharged internal combustion engine
04/18/1995US5406790 Exhaust gas purification device for an engine
04/18/1995US5406789 Air-fuel ratio control system for internal combustion engines
04/18/1995US5406788 Method and apparatus for monitoring a system for delivering secondary air to the exhaust gas internal combustion engine
04/18/1995US5406704 Method for making an ignition stage for a high temperature combustor
04/18/1995CA2046518C Filter
04/13/1995DE4434835A1 Exhaust system
04/12/1995EP0647771A1 Exhaust apparatus for an internal combustion engine of a motor-vehicle, and a method for production of this apparatus.
04/12/1995EP0556228B1 Surface stabilized sources of isocyanic acid
04/12/1995CN2194416Y Low noise filtering exhausting pipe
04/11/1995US5405423 Heat conducting sheets having high heat capacity are made up of sheet steel; used in an internal combustion engine to separate exhaust gases
04/11/1995US5405422 Self-heating filter
04/11/1995US5405420 Flue gas treatment apparatus and flue gas treatment system
04/11/1995US5404720 Assembly for reducing emissions
04/11/1995US5404719 Engine exhaust gas purification device
04/11/1995US5404717 Method and system for controlling internal combustion engine with air pump
04/06/1995DE4435073A1 Hydrocarbon adsorbent for exhaust gas purification, exhaust gas purification catalyst and exhaust gas purification apparatus
04/06/1995DE4426081A1 Gas purification apparatus and use thereof
04/06/1995DE4400202C1 Method for the reduction of hydrocarbon emissions from an internal combustion engine
04/04/1995US5403559 Device for cleaning exhaust gases of motor vehicles
04/04/1995US5403558 Heat and fatigue resistant metallic carrier for automobile exhaust gas-purifying catalyst
04/04/1995US5403557 Emission control apparatus for diesel engine
04/04/1995US5402928 Method of making flute tube
04/04/1995US5402642 Exhaust emission control device for internal combustion engine
04/04/1995US5402641 Exhaust gas purification apparatus for an internal combustion engine
04/04/1995US5402640 Air-fuel ratio control system of internal combustion engine
04/04/1995US5402639 Device for cleaning exhaust gases
03/1995
03/30/1995WO1995008703A1 Catalytic treatment of engine exhaust gas
03/30/1995WO1995008702A1 Combined hydrocarbon trap and electrically heatable converter
03/30/1995DE4332946A1 Meßvorrichtung zur Füllstandsbestimmung eines Mediums und Verfahren zur Steuerung des Motors Measuring device to determine level of a medium and method for controlling the motor
03/30/1995DE4332456A1 System for a motor vehicle with an internal combustion engine fitted with a catalytic converter
03/29/1995EP0645527A1 Method of reducing ignition temperature in exothermic catalytic reaction
03/29/1995EP0645173A2 Catalyst for purifying exhaust gases and process for purifying exhaust gases
03/29/1995CN2193429Y Silencing purifier
03/28/1995US5401001 Internal combustion engine exhaust control valve
03/28/1995US5400593 Device for reducing discharge of noxious substances emitted from an internal combustion engine
03/28/1995US5400592 Diagnostic apparatus for catalytic converter of an internal combustion engine
03/28/1995US5400591 Means for preventing exhaust emission from being deteriorated in case of trouble of secondary air supply system
03/28/1995US5400590 Filter cartridge arrangement
03/28/1995CA2009396C Catalytic converter with one piece housing
03/27/1995EP0653962A4 METHOD FOR REDUCING AUTOMATIVE NO x? EMISSIONS IN LEAN BURN INTERNAL COMBUSTION ENGINE EXHAUST USING ZEOLITES.
03/22/1995EP0643799A1 Muffler with catalytic converter arrangement.
03/22/1995EP0389645B1 Metal carrier having thermal fatigue resistance for automobile exhaust gas cleaning catalysts
03/22/1995CN2192727Y Anti-exp silencing device of multifunction dissipative muffler
03/21/1995US5399841 Honeycomb heater
03/21/1995US5398747 Automotive vehicle auxiliary component preheating method and system
03/21/1995US5398541 Process and an apparatus for determining pressure losses of exhaust gas purification honeycomb structural bodies, by presumption, at respective points of time when honeycomb structural bodies are to be regenerated
03/21/1995US5398504 For an engine
03/21/1995US5398503 Engine exhaust emission control system
03/21/1995US5398501 Air-fuel ratio control system for internal combustion engines
03/21/1995US5398407 Method for producing a device for muffling sound or catalytic treatment of exhaust
03/16/1995WO1995007143A1 Metallic carrier
03/16/1995WO1995007142A1 Metallic carrier
03/16/1995WO1995007141A1 Unit type metallic carrier
03/16/1995DE4330997A1 Method for monitoring the light-off performance of a catalytic converter system in a motor vehicle
03/16/1995DE4330983A1 Burner element for soot filters
03/15/1995EP0643204A2 Ceramic honeycomb catalytic converter
03/15/1995EP0643202A1 Flange for fastening pipes to an engine block
03/15/1995EP0642379A1 Method to purify gases
03/14/1995US5397555 Process for reducing carbon particles in exhaust gas flows
03/14/1995US5397550 Catalytic converter and cleaning system