Patents for F01N 3 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust (61,059)
12/1994
12/07/1994EP0627549A1 Catalytic converter for exhaust gases catalytic treatment
12/07/1994EP0627548A1 An exhaust gas purification device for an engine
12/07/1994EP0627263A1 Contaminated air purifying apparatus
12/07/1994EP0626884A1 Catalyst carrier and process for producing the same
12/07/1994EP0626879A1 Hot-gas-filtering fabric of spaced uncrimped support strands and crimped lofty fill yarns.
12/07/1994EP0586408B1 Test method for a device for injection of air into the exhaust gases of an internal combustion engine
12/07/1994EP0578729B1 Diesel particulate trap of perforated tubes wrapped with cross-wound inorganic yarn to form 4-sided filter traps
12/07/1994CN1096076A Smoke-eliminating silencer for internal combustion engines
12/06/1994US5371056 Oxidative diesel control catalyst
12/06/1994US5370943 Honeycomb body with nonhomogeneous electric heating
12/06/1994US5370847 Simplification, compactness
12/06/1994US5369956 Exhaust gas aftertreatment device for internal combustion engines
12/05/1994CA2125131A1 Catalytic converter for the catalytic treatment of exhaust gas
12/01/1994DE4418861A1 Process for producing a catalyst for exhaust gas purification
12/01/1994DE4317964A1 Method and device for plasma-chemical processing of hazardous materials and materials
11/1994
11/30/1994EP0626507A1 System for diagnosing deterioration of catalyst
11/30/1994EP0626506A1 Methode for monitoring catalyst efficiency
11/30/1994EP0626505A2 Muffling and denitrating apparatus and modified carbon fibers or particles therefor
11/30/1994EP0626188A1 Exhaust gas cleaning filter medium and method of manufacturing the same
11/29/1994US5367889 Exhaust treatment apparatus
11/29/1994US5367876 Apparatus for controlling of automotive exhaust emissions by treatment of exhausting gases traveling through an automotive exhaust conduit
11/29/1994US5367875 Automated catalytic reduction system
11/26/1994CA2124157A1 Combined electrically heatable converter body
11/24/1994WO1994027104A1 Support of ceramic catalyst
11/24/1994WO1994027036A1 Exhaust gas pipe
11/24/1994WO1994027035A1 Process and device for controllably adding a reducing agent into nitrogen oxide-containing exhaust gas
11/24/1994WO1994026455A1 Method of soldering heat resisting alloy having insulating oxide film on its surface, and preheated type exhaust gas cleaning metal support and method of manufacturing the same
11/24/1994WO1994026431A1 Engine cleaning processes and apparatus
11/24/1994WO1994026412A1 A catalytic system and its use
11/24/1994WO1994026411A1 Plate-type catalytic converter
11/24/1994DE4317092A1 Arrangement comprising at least one catalytic convertor
11/24/1994DE4316870A1 Device for purifying exhaust gases from an internal combustion engine and a method for its manufacture
11/24/1994DE4316778A1 Device for feeding additional air into the exhaust conduit of an internal combustion engine
11/24/1994DE4305915A1 Regenerable filter
11/23/1994EP0625633A1 Exhaust gas cleaning apparatus for internal combustion engines
11/23/1994EP0625585A1 Fe-Cr-Al alloy foil having high oxidation resistance for a substrate of a catalytic converter and method of manufacturing same
11/23/1994EP0422000B1 Process for gluing and soldering a metallic catalyst carrier
11/22/1994US5367131 Apparatus for treating hydrocarbon and carbon monoxide gases
11/22/1994US5366700 Apparatus for catalytically decontaminating exhaust gases and method for producing the apparatus
11/22/1994US5366401 Exhaust cleaning system for marine propulsion engine
11/22/1994US5366139 Catalytic converters--metal foil material for use therein, and a method of making the material
11/22/1994US5365735 Baffled catalytic converter
11/22/1994US5365734 NOx purification apparatus for an internal combustion engine
11/22/1994US5365733 Exhaust gas purification system for an internal combustion engine
11/17/1994EP0602238A4 Process for combustion of sulfur-containing, carbonaceous materials.
11/17/1994DE4316132A1 Plate catalyst
11/17/1994DE4316131A1 Plate catalyst
11/16/1994CN2182882Y Taper-like spiral wind type apparatus as silencer for purifying exhaust of automobile
11/15/1994US5365216 Catalyst monitoring using ego sensors
11/15/1994US5364599 Method and multi-ejector type of system for purifying the polluted poisonous exhaust gas
11/15/1994US5364573 Process and apparatus for producing a filter in the form of a monolithic honeycomb body
11/15/1994US5364424 Filter for washing and retention of exhaust gases in motorized vehicles
11/10/1994WO1994025206A1 Corrosion resistant porous body and production process
11/10/1994WO1994025143A1 Method of removing nitrogen oxides contained in exhaust gas
11/10/1994WO1994011623A3 Method and apparatus for treating an engine exhaust gas stream
11/10/1994DE4315217A1 Arrangement for cleaning and cooling the exhaust gases of an internal combustion engine in underground operation
11/10/1994DE4315086A1 Flange for manifolds on internal combustion engines
11/09/1994EP0623738A1 Soot filter device for diesel engines
11/09/1994EP0483135B1 Catalyzer housing and support, in particular for starting catalyzers
11/09/1994CN2182264Y Exhaust purifier for gasoline vehicle
11/08/1994US5363450 Active control of noise
11/08/1994US5363091 Catalyst monitoring using ego sensors
11/08/1994US5361732 Two cycle internal combustion engine
11/03/1994DE4342296C1 Device for the control of exhaust emissions following cold starting
11/03/1994DE4339686C1 Electrically heatable exhaust catalytic converter
11/03/1994DE4314238A1 Soot filter for use in an exhaust gas stream
11/03/1994DE4314043A1 Exhaust-gas purification device for internal-combustion engine
11/02/1994EP0622530A1 Exhaust gas purifying apparatus
11/02/1994EP0622529A2 Heat exchanger for internal combustion engines
11/02/1994CN2181570Y Silencer
11/01/1994US5360081 Device for protecting oxygen sensor of motorcycle
11/01/1994US5359853 Device for detecting deterioration of a catalytic converter for an engine
11/01/1994CA2045812C Resistance adjusting type heater, catalytic converter and method of operating catalytic converter
10/1994
10/27/1994WO1994024425A1 Mounting mat for fragile structures such as catalytic converters
10/27/1994WO1994024424A1 Method and apparatus for reduction of pollutants emitted from automotive engines by flame incineration
10/27/1994WO1994024423A1 Operation of an internal combustion engine
10/27/1994DE4414625A1 Stable catalyst filter for particle removal from diesel engine exhaust gas
10/27/1994DE4313348A1 Diesel engine with exhaust gas treatment device
10/27/1994DE4313132A1 Method for the cleaning of particle filters and particle filter
10/27/1994DE4313091A1 Flange for the fixing of pipes
10/26/1994EP0621400A1 Air compressing injection internal combustion engine with an exhaust gas treating device for reducing nitrous oxides
10/26/1994EP0620842A1 Method for reducing pollution emissions from a diesel engine with organometallic platinum group metal coordination composition
10/25/1994US5357755 For processing exhaust gases from an engine
10/25/1994US5357754 Catalyst deterioration-detecting device for internal combustion engines
10/25/1994US5357752 Control of secondary air to an electrically heated catalyst using feedback control
10/25/1994US5357751 Air/fuel control system providing catalytic monitoring
10/25/1994US5357749 Apparatus for controlling exhaust concentration
10/20/1994DE4331508C1 Device for reducing pollutant emissions in the operation of diesel engines
10/20/1994DE4319283C1 Method and device for reducing particles in exhaust gases
10/19/1994EP0619757A1 Catalytic filtration device and method
10/18/1994US5356598 Catalytic exhaust unit for an automobile vehicle
10/18/1994US5355973 Muffler with catalytic converter arrangement; and method
10/18/1994US5355672 Automotive engine exhaust aftertreatment system including hydrocarbon adsorber with sample processing oxygen sensor regeneration control
10/13/1994WO1994023186A1 Exhaust system for reducing pollutants in the exhaust gases of internal-combustion engines
10/13/1994WO1994023185A1 Emission control device and method
10/13/1994WO1994022577A1 Catalytic vessel for receiving metal catalysts by deposition from the gas phase
10/13/1994WO1994022556A1 A method for closing a passage in a filter body sample
10/13/1994DE4412191A1 Diagnostic device for an exhaust purification system
10/13/1994DE4313393A1 Static mixer
10/13/1994DE4311904A1 Device on an internal combustion engine