Patents for F01N 3 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust (61,059)
11/1990
11/05/1990CA2002762A1 Muffler for a compressed air driven motor
11/01/1990WO1990012951A1 Electrically conducting honeycomb body with mechanically loadable, electrically insulating intermediate layers
11/01/1990WO1990012950A1 Diesel-soot filter with additional device for reducing oxides of nitrogen and/or oxidizing carbon monoxide
11/01/1990CA2015717A1 Crack resistant intumescent sheet material
10/1990
10/31/1990EP0394284A1 Particulate filter module
10/31/1990EP0298976B1 Apparatus for recovering heat from flue gases and for cleaning the same
10/31/1990CN2064825U Noiseless extinguisher for tractor
10/31/1990CN1046586A Converter for catalytically oxydizing and reducing exhaust gas of inner conbustion engines
10/24/1990EP0393729A2 Regenerable filter in exhaust gases of an internal-combustion engine
10/24/1990EP0393612A2 Rhodium-free, palladium and platinum containing catalyst supported on zirconia and/or lanthana stabilized ceria
10/24/1990EP0393517A2 Catalytic oxidation and reduction converter for internal combustion engine exhaust gases
10/24/1990EP0393257A1 Diesel soot filter with an additional arrangement for the reduction of nitrogen oxides and/or the oxidation of carbon monoxide
10/23/1990US4965101 Ceramic foam for filters for cleaning exhaust gases of diesel engines
10/23/1990US4964383 Water-cooled type internal combustion engine for farming motor vehicle
10/18/1990DE4011753A1 Exhaust gas filter for Diesel engine - incorporates mineral fibre pad with catalytic material
10/17/1990EP0392575A2 Exhaust gas cleaner with catalytic activity, and silencer for internal combustion engines
10/17/1990CN2063981U Purifying silencer with air divider
10/17/1990CA2014712A1 Catalytic oxidation and reduction converter for internal combustion engine exhaust gases
10/16/1990US4963332 Method for the catalytic removal of nitrogen oxides from exhaust gases by means of a reducing agent
10/16/1990US4962643 Soot-particle filter arrangement for the exhaust-line system of an internal-combustion engine
10/10/1990EP0390858A1 Mixing tube assembly for marine propulsion system
10/09/1990US4961314 Tuned exhaust processor assembly
10/04/1990DE3910716A1 Reactor for removing gaseous pollutants and dusts
10/03/1990EP0389891A1 Regeneration system for particulate trap
10/03/1990EP0389750A1 Carrier for a catalytic reactor for the purification of exhaust gases
10/03/1990EP0389645A1 Metal carrier having thermal fatigue resistance for automobile exhaust gas cleaning catalysts
10/03/1990EP0287574B1 Exhaust-pipe for supercharged multi-cylinder internal combustion piston engine
10/02/1990US4960449 Filters for diesel exhaust gases; pollution control
10/01/1990WO1990012201A1 Heating device
10/01/1990CA2049927A1 Heating device
09/1990
09/30/1990WO1990001110A1 Apparatus for increasing regenerative filter heating element temperature
09/27/1990DE3922667A1 Catalytic exhaust system for vehicle - incorporates elastic retainers to join inner and outer shells
09/27/1990DE3909932A1 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
09/26/1990EP0389466A1 Exhaust system for two-stroke engines
09/25/1990US4959342 Exhaust systems, stainless steel substrate, aluminum-iron alloy
09/25/1990US4958491 Arrangement for holding a catalyst in a housing in an exhaust system of a liquid fuel-operated motor
09/25/1990US4958428 Process and an arrangement for producing a supporting body for a catalytic reactor
09/19/1990EP0387434A1 Dust collecting element for electrostatic dust collector, and electrostatic dust collecting method using said element
09/19/1990EP0387422A1 Apparatus for catalytic or other purification of exhaust gases of internal combustion engines, with two exhaust gas treating bodies and a protection ring between them
09/19/1990EP0387394A1 Process for manufacturing the body of a filter or a catalyst
09/18/1990US4957517 Sound attenuating liquid-gas separator
09/12/1990EP0386328A2 Exhaust system of an internal-combustion engine
09/11/1990US4956152 Emission control unit
09/11/1990US4955524 Extrusion die construction and its method of manufacture
09/11/1990US4955183 Burner for difficult to combust gas mixtures
09/04/1990CA1273481A1 Method for manufacturing and reinforcing a catalytic unit intended for purifying exhaust gases
08/1990
08/30/1990DE3905825A1 Centrifugal soot separation
08/29/1990EP0384853A2 Catalyst for motor vehicle exhaust gases
08/29/1990EP0383907A1 Catalytic conversion device
08/29/1990CN2061210U Cleaning device for automobile exhaust
08/28/1990US4951464 Carbon black filter means for a Diesel engine
08/23/1990WO1990009227A1 Exhaust gas cleaning method
08/22/1990EP0383187A1 Regeneration system for particulate trap
08/21/1990US4950476 Method of catalytically oxidizing alcohol vapor accompanied by varying amounts of excess oxygen
08/21/1990US4949539 Muffler with a purifying system for car or motorcycle
08/16/1990EP0382704A1 Method of treating a gas containing particles, and apparatus for carrying out this method
08/16/1990EP0382700A2 Regenerable filter
08/16/1990EP0382434A2 Purification of exhaust gas from diesel engine
08/16/1990EP0382335A1 Honeycomb catalytic apparatus
08/16/1990DE4003565A1 Vorrichtung zur entfernung partikelfoermiger stoffe aus auspuff- und rauchgasen Device for distance partikelfoermiger materials from an exhaust and flue gases
08/16/1990DE4003564A1 Removing particulates from exhausts and flue gases
08/16/1990DE3904352A1 Method for regenerating a particulate filter arranged in the exhaust of a diesel internal combustion engine
08/16/1990DE3904351A1 Method and apparatus for operating a diesel engine with a particulate filter for cleaning the exhaust gas
08/16/1990DE3903879A1 Heater for a catalytic converter comprising a metallic monolith and an electrically conducting housing
08/16/1990DE3903803A1 Housing of an exhaust gas catalytic convertor
08/14/1990US4948774 Metal-made carrier body for carrying thereon exhaust gas cleaning catalyst
08/14/1990US4948549 Process for producing soot filter elements
08/14/1990US4948403 Filter system for the removal of engine emission particulates
08/14/1990US4948353 Metal catalyst carrier body having a shortened jacket tube and a method of producing the same
08/14/1990US4947957 Regenerable desiccant cartridge for automotive muffler
08/09/1990DE3903312A1 Device for burning solid particles
08/09/1990DE3903065A1 Pilot burner for a device for burning solid particles in the exhaust gas of internal combustion engines
08/08/1990EP0381236A1 Method of removing nitrogen oxides in exhaust gases from a diesel engine
08/08/1990EP0381063A1 Process for the preparation of carrier material for platinum group metal three-way catalysts with a reduced H2S emission
08/08/1990EP0380838A1 Ultrasonic burner system for regenerating a filter
08/08/1990EP0380806A1 Ignition burner for a device for burning solid particles in the exhaust gas of internal-combustion engines
08/07/1990US4946822 Catalyst carrier body having a supporting wall and a method for producing the same
08/07/1990US4946801 Gallium,aluminum,arsenic intermetallics
08/07/1990US4946659 Using urea as a reducing agent
08/07/1990US4945838 Post-combustion chambers
08/07/1990US4945722 Soot filtering unit for the exhaust of a diesel internal combustion engine and method for regenerating the filters thereof
08/07/1990US4945721 Electromagnetic converter for reduction of exhaust emissions
08/07/1990CA1272451A1 Process for scrubbing exhaust gases from diesel engines and filter cartridge for carrying out the process
08/03/1990WO1990008693A1 Recirculatory system
08/02/1990DE4000966A1 Exhaust gas filter for Diesel engine - makes use of liq. in container to trap soot particles
08/02/1990DE3907939A1 Device for cleaning the exhaust gases from diesel engines
08/01/1990EP0380134A1 Method for regenerating replacing or treating the catalyst in a hydroprocessing reactor
08/01/1990EP0380065A1 Exhaust particle removing system for internal combustion engine
08/01/1990EP0379760A1 Device for continuously reducing concentration of carbon monoxide and other harmful types of emission
08/01/1990EP0379591A1 Exhaust smoke purifier apparatus
08/01/1990CA2008983A1 Engine starting aid
07/1990
07/31/1990US4944153 Burner for hard-to-ignite mixtures
07/26/1990WO1990008249A1 Metallic honeycomb structure, preferably catalyst support with microstructures for flow mixing
07/25/1990EP0379032A1 Waste gas filter
07/25/1990EP0378797A1 Bimetallic flow guide shutter, especially for the exhaust systems of motor vehicles
07/20/1990CA2008186A1 Exhaust gas filter
07/18/1990EP0377683A1 Circuit arrangement for the high-voltage supply of an electrostatic filter
07/17/1990US4942020 Converter for removing pollutants from a gas stream
07/17/1990US4941545 Muffler assembly
07/12/1990WO1990007561A1 Method for reducing emissions from or increasing the utilizable energy of fuel for powering internal combustion engines