| Patents for F01N 3 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust (61,059) |
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| 02/09/1993 | US5184463 Method of reducing the emission of toxic exhaust gas components in an internal combustion engine |
| 02/09/1993 | US5184462 Method and an apparatus for the treatment of exhaust gas from an IC engine |
| 02/04/1993 | WO1993002280A1 Catalytic converter efficiency monitoring |
| 02/04/1993 | WO1993002279A1 Engine exhaust system |
| 02/04/1993 | DE4125686A1 Motor exhaust gas filter - has filter layer with temp. and chemical resistance together with distributed supports |
| 02/03/1993 | EP0526099A1 Exhaust gas cleaner |
| 02/03/1993 | EP0525757A1 Silencer with water cooling jacket |
| 02/03/1993 | EP0525701A1 Catalytic reduction of NOx using methane in the presence of oxygen |
| 02/03/1993 | EP0525668A1 Vehicle internal combustion engine exhaust system |
| 02/03/1993 | EP0525566A1 A method and apparatus for determining the clogging of a filter, in particular a filter for an exhaust system |
| 02/02/1993 | US5183976 A muffler |
| 02/02/1993 | US5183608 Method of making diesel particulate filters |
| 02/02/1993 | CA2074687A1 Catalytic reduction of nox using methane in the presence of oxygen |
| 02/02/1993 | CA2070917A1 Heated cellular structures |
| 01/28/1993 | DE4223854A1 Power supply for motor vehicle parts - includes switch connected between power source and heating unit e.g. for intake of air |
| 01/28/1993 | DE4134337C1 Catalytic converter for internal combustion engine exhaust - comprises metal forming eutectic with hydrogen and having porous structure of wavy continuous pores, for long life |
| 01/28/1993 | DE4114339A1 Environmentally friendly economy passenger aircraft - has ceramic pistons and connecting rod ends, and high piston speeds |
| 01/27/1993 | CN1068395A Multifunctional waste gas purifier for automobile |
| 01/23/1993 | CA2068454A1 Engine exhaust system for reduction of hydrocarbon emissions |
| 01/21/1993 | WO1993001401A1 Device for supplying extra air in exhaust gases from a supercharged otto engine fitted with a catalytic converter |
| 01/21/1993 | WO1993001400A1 Device for supplying extra air in exhaust gases from car engines upstream from a catalytic cleaner |
| 01/21/1993 | DE4201402C1 Vehicle exhaust system with filter - has by=pass and additional filter to enable regeneration by reversal of flow |
| 01/21/1993 | DE4123789A1 Catalytic converter for vehicle exhausts - with heating arrangement using latent heat |
| 01/21/1993 | DE4122717A1 Recovery of precious metals from automotive catalytic converter - includes crushing metallic substrate and coatings into particles of differing weight, shape, and size and mechanically sepg. the precious particles |
| 01/19/1993 | US5180567 Exhaust gas treating method |
| 01/19/1993 | US5180559 Emission control |
| 01/19/1993 | US5180409 Hot-gas-filtering fabric of spaced uncrimped support strands and crimped lofty fill yarns |
| 01/19/1993 | US5180408 Device for treating the exhaust gases of internal combustin engines with two exhaust gas treatment bodies arranged at spaced locations |
| 01/19/1993 | US5180406 Muffler for exhaust gases of a diesel engine |
| 01/19/1993 | US5179838 Apparatus for driving turbo supercharger |
| 01/19/1993 | US5179833 System for detecting deterioration of a three-way catalyst of an internal combustion engine |
| 01/14/1993 | DE4222162A1 Method for rapid ignition of IC engine exhaust pollutants - involves use of catalytically effective reactor whose through flow cross-section can be varied. |
| 01/14/1993 | DE4221363A1 Verfahren und vorrichtung zum reinigen eines abgases Method and apparatus for purifying exhaust gas |
| 01/14/1993 | DE4122807A1 Monolithic catalyst body with laminar flow interruption slot(s) - useful for waste gas cleaning |
| 01/13/1993 | EP0523008A1 Method of manufacturing a silencer or a catalytic converter for exhaust gases |
| 01/13/1993 | EP0522245A1 Soot particle filter |
| 01/12/1993 | US5179061 Filter or catalyst body |
| 01/12/1993 | US5179059 Catalyst for purifying the exhaust gases of internal combustion engines and method for making the catalyst |
| 01/12/1993 | US5177962 External spark arrestor |
| 01/12/1993 | US5177961 Upstream collimator for electrically heatable catalytic converter |
| 01/12/1993 | US5177960 Metal-made carrier body for exhaust gas |
| 01/12/1993 | US5177959 Method and arrangement for monitoring the conversion rate of a catalyzer in the exhaust-gas system of an internal combustion engine |
| 01/12/1993 | US5177958 Secondary air injection valve and mounting system for automotive engine |
| 01/09/1993 | CA2072947A1 Method for producing a device for muffling sound or catalytic treatment of exhaust |
| 01/07/1993 | WO1993000503A2 Trap apparatus with tubular filter element |
| 01/07/1993 | EP0521641A1 Method and apparatus for detecting catalyst malfunctions |
| 01/07/1993 | EP0521411A1 Exhaust pipe for an internal combustion engine |
| 01/07/1993 | EP0521050A1 Process and device for controlling an internal combustion engine in function of the actual temperature of a downstream catalyst |
| 01/07/1993 | EP0521046A1 Active control of noise. |
| 01/07/1993 | EP0511307A4 Catalytic reactor for gas phase reactions |
| 01/07/1993 | DE4219540A1 I.C. engine exhaust gas catalytic converter housing - has hot gas shielding and lower direct gas impingement on the housing, reducing the noise caused by pulsating flow |
| 01/07/1993 | DE4121940A1 Method of removing soot particles from diesel exhaust - has perforated pipe inserted in front of converter |
| 01/07/1993 | DE4120891A1 Combustion engine pumping fresh air into exhaust system - is checked for correct exhaust treatment function by direct or indirect measurement of pump power consumption |
| 01/05/1993 | US5177463 Method of and apparatus for monitoring operation of a catalytic converter |
| 01/05/1993 | US5176407 Tip-over exhaust with venturi |
| 01/05/1993 | US5175998 Exhaust system |
| 01/05/1993 | US5175975 Compact vacuum insulation |
| 01/05/1993 | CA2073100A1 Metallic catalyst support and production method thereof |
| 12/30/1992 | EP0520170A1 Method for controlling the air supply to a burner for the regeneration of particle filters |
| 12/29/1992 | US5174969 Roll-pack diesel particulate filter |
| 12/29/1992 | US5174968 Used in catalytic converter to convert polluent materials in engine and turbine exhaust such as carbon monoxide, unburned hydrocarbons, nitrogen oxides to carbon dioxide, nitrogen and water |
| 12/29/1992 | US5174951 Method of producing a porous metal and a metal product using the same such as a catalyst carrier |
| 12/29/1992 | US5174113 Exhaust outlet with venturi |
| 12/29/1992 | US5174112 Exhaust gas purifying device for an outboard motor |
| 12/29/1992 | US5174111 Exhaust gas purification system for an internal combustion engine |
| 12/27/1992 | CA2068074A1 Upstream collimator for electrically heatable catalytic converter |
| 12/23/1992 | EP0519882A2 Equipment for the generation of stabilized high direct voltage, particularly for use in combination with a non-polluting muffler |
| 12/23/1992 | EP0519778A1 Exhaust line allowing rapid excitation of the catalytic converter |
| 12/23/1992 | CN2125707U Automobile waste gas end filter |
| 12/22/1992 | US5173471 Honeycomb body with heat resistant planar band and heat resistant corrugated band |
| 12/22/1992 | US5173267 Inner jacket carrying catalyst body freely longitudinally expandable in the outer jacket; auto catalytic converters; heat and stress resistance |
| 12/22/1992 | US5172550 Zeolite catalyst capable of reducing nitrogen oxides under oxidizing gas conditions |
| 12/22/1992 | CA1311690C Catalytic converter |
| 12/17/1992 | DE4201676C1 Exhaust gas particle filter - has a filter element contg. stacked filter plates, support slots and tensioning frame for holding the filter elements, and avoids any leakage problems |
| 12/17/1992 | DE4119156A1 Cleaning vehicle exhaust emissions with improved energy efficiency - by gasifying particles in a porous or honeycomb structure using a hydrogen@ oxidn. burner, then reducing and oxidising in catalytic converters |
| 12/16/1992 | EP0418305B1 A layered automotive catalytic composite |
| 12/15/1992 | US5171341 Radial gas flow |
| 12/15/1992 | US5171337 Exhaust particulate filter |
| 12/15/1992 | US5171335 Filter for collecting fine particles in exhaust gas |
| 12/15/1992 | US5170624 Composite catalytic converter |
| 12/10/1992 | WO1992021871A1 DEVICE FOR REDUCING NO¿x? |
| 12/10/1992 | WO1992021865A1 A device for controlling the temperature of exhaust gases in motor vehicles |
| 12/10/1992 | WO1992021864A1 Process for running an internal combustion engine |
| 12/10/1992 | WO1992021863A1 Test method for a device for injection of air into the exhaust gases of an internal combustion engine |
| 12/10/1992 | DE4118848A1 Verfahren zum betreiben einer brennkraftmaschine Method for operating an internal combustion engine |
| 12/09/1992 | EP0516692A1 Exhaust emission control. |
| 12/08/1992 | US5170147 Alarm device for the protection of catalytic converters for the exhaust gases of endothermic motors and vehicle provided with such a device |
| 12/08/1992 | US5170020 Rainproof exhaust pipe |
| 12/08/1992 | US5169604 Catalytic converter with replaceable carrier assembly |
| 12/03/1992 | DE4215942A1 Exhaust gas concn. monitor used in IC engine catalytic purifier - using modified zeolite catalyst to reduce nitrogen oxide cpds. for max. efficiency |
| 12/03/1992 | DE4140942A1 Regeneratable soot filter for diesel engine exhaust system - has rotary disc element with two sectors exposed alternately to exhaust gas and soot-combustion air |
| 12/03/1992 | DE4117364A1 Accelerating start-up IC engine exhaust gas purificn. catalyst - by catalytic oxidn. of carbon mon:oxide just before main catalyst and transferring heat to gas stream |
| 12/02/1992 | EP0516267A1 High-aluminium-containing ferritic stainless steel |
| 12/02/1992 | EP0516097A1 Iron-chromium-aluminium alloy, catalytic substrate comprising the same and method of preparation |
| 12/02/1992 | EP0515814A1 Internal combustion engine with an exhaust gas post-treatment device |
| 12/02/1992 | EP0515776A1 Soot filter candle for Diesel engines |
| 12/02/1992 | EP0515369A1 Control system for diesel particulate trap regeneration system |
| 12/02/1992 | CN2123615U Tail gas smoke purifier for motor vehicle |
| 12/02/1992 | CN2123614U Gas purifier of motor vehicle |
| 12/01/1992 | USH1113 Apparatus for supplying power to electrically heated catalyst converter |