| Patents for F01N 9 - Electrical control of exhaust gas treating apparatus (7,942) |
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| 02/25/1992 | US5090200 Regeneration system for particulate trap |
| 02/20/1992 | WO1992002807A1 Method and apparatus for detecting soot concentration in particulate trap |
| 02/13/1992 | DE4025565A1 Controlled IC exhaust gas buffer and recycle system - improving cold start=up efficiency of catalytic converters using an engine management device |
| 02/05/1992 | EP0469170A1 Method for heating an exhaust gas catalyst |
| 02/04/1992 | US5085050 Exhaust gas purification system for an internal combustion engine using alcohol blended gasoline for fuel |
| 01/30/1992 | DE4122787A1 Catalytic converter monitoring schemes for an IC engine - using computed outlet temp. values useful for automobile engine management systems |
| 01/15/1992 | EP0466020A2 Sensor |
| 01/09/1992 | WO1992000446A1 Process for protecting catalysts used for cleaning exhaust gases and heat tone sensor for implementing the process |
| 01/09/1992 | DE4021033A1 Exhaust cleaner for IC engine of motor vehicle - has porous silicon-carbide filter in thermally insulating mounting for burning off carbon deposits |
| 01/02/1992 | DE4020383A1 Verfahren zum schutz von katalysatoren fuer die abgasreinigung sowie waermetoenungssensor zur durchfuehrung des verfahrens Method for protection of the catalysts for emission control and waermetoenungssensor for performing the method |
| 12/11/1991 | CN2090426U Magnetic fluid short-circuiter |
| 12/05/1991 | DE4117476A1 Dual-sensor mixt. ratio controller for IC engine - uses stored values of adaptive actualisation factor with reference to oxygen content downstream from catalytic converter |
| 11/26/1991 | US5067973 Automatic regeneration of diesel exhaust to remove soot |
| 11/26/1991 | US5067318 Regeneration system for particulate trap |
| 11/12/1991 | US5063736 Particulate filter trap load regeneration system |
| 10/31/1991 | WO1991016529A1 Means for controlling exhaust temperature on a catalytically purified combustion engine |
| 10/29/1991 | US5060474 Exhaust emission control failure detection system for internal combustion engine |
| 10/29/1991 | US5060473 System for detecting deterioration of catalyst in catalytic converter |
| 10/03/1991 | WO1991014856A1 Process and device for controlling an internal combustion engine in function of the actual temperature of a downstream catalyst |
| 10/03/1991 | WO1991014855A1 Process and device for monitoring the performance of a catalyst in an internal combustion engine |
| 10/01/1991 | US5052177 Air-fuel ratio feedback control system having single air-fuel ratio sensor downstream of or within three-way catalyst converter |
| 09/24/1991 | US5050376 Control system for diesel particulate trap regeneration system |
| 09/19/1991 | DE4008092A1 Regeneration of carbon filters for Diesel IC engine - using reference airflow to monitor pressure build=up on filters to determine regeneration point |
| 09/18/1991 | EP0446400A1 Method of and apparatus for the regeneration of a soot filter |
| 09/12/1991 | DE4106249A1 Catalytic cleaning set=up for exhaust gas of IC engine - has two catalytic converters with series connection in starting phase and parallel operation in normal conditions |
| 09/11/1991 | EP0445567A1 Exhaust gas cleaning system for diesel engine |
| 08/28/1991 | WO1991013247A1 Exhaust emission control |
| 08/14/1991 | EP0441401A1 Exhaust gas purification system for an internal combustion engine |
| 08/09/1991 | WO1991012417A1 Control system for diesel particulate trap regeneration system |
| 08/09/1991 | CA2073767A1 Control system for diesel particulate trap regeneration system |
| 06/26/1991 | EP0433772A2 Exhaust gas purification system for an internal combustion engine |
| 06/18/1991 | US5024054 Engine exhaust system with sequential loading of multiple filters |
| 06/05/1991 | EP0430269A2 Exhaust gas purification system for an internal combustion engine using alcohol blended gasoline for fuel |
| 06/04/1991 | US5021227 Method of removing nitrogen oxides in exhaust gases from a diesel engine |
| 05/29/1991 | DE3939068A1 Exhaust gas decontamination device for vehicular combustion engine - exercises electronic control of relays for generator load shedding during warm=up of exhaust catalytic converter |
| 05/14/1991 | US5014509 Diesel engine white smoke control system |
| 05/07/1991 | US5012641 Emissions control system for use in conjunction with an ic engine primary emissions control system |
| 03/21/1991 | DE3929303A1 Electronic controller for carbon filter for diesel engine - has programmed temperature control to burn off carbon |
| 02/06/1991 | EP0411445A2 Regeneratable particulate filter trap system |
| 01/22/1991 | US4986069 Engine exhaust particle trap captured mass sensor |
| 12/19/1990 | EP0402864A1 Apparatus for treating exhaust particulates resulting from combustion in diesel engine |
| 12/19/1990 | EP0402705A1 Regeneration system for particulate trap |
| 12/04/1990 | US4974414 Particulate purging apparatus for diesel engine exhaust |
| 11/13/1990 | US4969328 Diesel engine exhaust oxidizer |
| 10/31/1990 | EP0394284A1 Particulate filter module |
| 10/16/1990 | US4963332 Method for the catalytic removal of nitrogen oxides from exhaust gases by means of a reducing agent |
| 10/16/1990 | US4962643 Soot-particle filter arrangement for the exhaust-line system of an internal-combustion engine |
| 10/03/1990 | EP0389891A1 Regeneration system for particulate trap |
| 09/27/1990 | DE3909932A1 Verfahren zur regeneration eines in der abgasleitung einer aufgeladenen brennkraftmaschine angeordneten partikelfilters A method for regeneration of the exhaust pipe of a supercharged internal combustion engine mounted particulate filter |
| 08/22/1990 | EP0383187A1 Regeneration system for particulate trap |
| 08/16/1990 | DE3904352A1 Method for regenerating a particulate filter arranged in the exhaust of a diesel internal combustion engine |
| 08/08/1990 | EP0381236A1 Method of removing nitrogen oxides in exhaust gases from a diesel engine |
| 05/09/1990 | EP0367587A2 Diesel engine exhaust oxidizer |
| 05/01/1990 | CA2001226A1 Diesel engine exhaust oxidizer |
| 04/19/1990 | DE3834850A1 Fuel feed for a regeneration burner of a diesel particle filter |
| 04/18/1990 | CN1041288A Process for catalystically removing nitrogen oxides from exhaust gases by means of reducing agent |
| 04/17/1990 | US4916897 Exhaust gas purifying apparatus built-in to a muffler for a diesel engine |
| 04/11/1990 | EP0362483A1 Process for catalytic removal of nitrogen oxides from waste gases by a reducing agent |
| 04/03/1990 | US4914065 Controlling the temperature of waste gas |
| 04/03/1990 | US4913260 Gas silencing system with controlling sound attenuation |
| 03/27/1990 | US4910960 Exhaust control system on internal combustion engine |
| 03/06/1990 | US4905470 Electrostatic filter for removing particles from diesel exhaust |
| 02/13/1990 | US4899540 Muffler apparatus with filter trap and method of use |
| 01/30/1990 | US4897096 System for the regeneration of a particulate filter trap |
| 01/10/1990 | EP0349788A1 Method and apparatus for controlling the regeneration of at least one particulate filter installed in a diesel engine |
| 12/27/1989 | EP0237824B1 Process and device for the regeneration of particle filter systems |
| 12/19/1989 | US4887427 Exhaust particle removing system for an engine |
| 12/19/1989 | US4887426 Process and device for operating an exhaust gas burner |
| 12/12/1989 | CA1263844A1 Diesel particulate trap and a method of operating |
| 12/05/1989 | US4884398 Method of and apparatus for reducing engine smoke emissions |
| 11/21/1989 | US4881369 Exhaust gas purifying apparatus |
| 10/24/1989 | US4875336 Exhaust gas emission control device for diesel engine |
| 10/24/1989 | CA1262482A1 System for predicting catalytic converter temperature |
| 10/19/1989 | DE3811732A1 Circuit arrangement for testing the functioning of the catalytic converter of motor vehicles |
| 10/04/1989 | EP0211877B1 Method for the automatic regeneration of a soot filter in a motor vehicle with a diesel engine |
| 09/19/1989 | US4867768 Muffler apparatus with filter trap and method of use |
| 08/30/1989 | EP0329818A2 Electrostatic filter for diesel particles |
| 08/08/1989 | US4854123 Method for removal of nitrogen oxides from exhaust gas of diesel engine |
| 07/25/1989 | US4851015 Muffler apparatus with filter trap and method of use |
| 07/25/1989 | CA1257843A1 Diesel particulate traps system |
| 07/06/1989 | DE3743559A1 Device for removing and burning soot particles present in the exhaust gases from diesel engines |
| 06/21/1989 | EP0321451A2 Diesel particulate oxidizer regeneration system |
| 06/06/1989 | US4835964 Diesel particulate oxidizer regeneration system |
| 06/06/1989 | US4835963 Diesel engine particulate trap regeneration system |
| 05/24/1989 | EP0317118A2 A process for regenerating ceramic honeycomb filters by combusting |
| 05/23/1989 | US4831821 System for purifying exhaust gas from a diesel engine |
| 05/05/1989 | WO1989001566A3 Particulate filter module |
| 04/19/1989 | EP0311992A1 Method and device for soot oxidation in diesel engines |
| 04/11/1989 | CA1252393A1 Microprocessor controlled diesel particulate trap system |
| 04/04/1989 | US4817385 Temperature control apparatus for vehicular catalytic converters |
| 03/29/1989 | EP0167527B1 Apparatus for periodically oxidizing particulates collected from exhaust gases |
| 03/28/1989 | US4816749 Electrocemical sensor |
| 03/28/1989 | CA1251743A1 Automatic initiation system for regenerating a particulate filter trap |
| 03/21/1989 | US4813233 Diesel particulate traps |
| 02/23/1989 | WO1989001566A2 Particulate filter module |
| 02/22/1989 | EP0165922B1 Regenerative filter trap system with apparatus for diverting the exhaust gas flow |
| 02/16/1989 | DE3726164A1 Device for raising the exhaust gas temperature of a diesel engine to the burn-off temperature of a soot burn-off filter arranged in the exhaust line |
| 02/14/1989 | US4803838 Diesel particulate infusion controller |
| 01/26/1989 | DE3723470A1 Method for controlling the regeneration of a particulate filter |
| 01/12/1989 | WO1989000238A1 Apparatus for burning particulates in diesel engine exhaust gas |