| Patents for F01N 3 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust (61,059) |
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| 08/13/1991 | US5038562 Burner for regeneration of a particle filter device |
| 08/13/1991 | CA1287532C Method and apparatus for filtering solid particulate matter from diesel engine exhaust |
| 08/09/1991 | WO1991012417A1 Control system for diesel particulate trap regeneration system |
| 08/09/1991 | CA2073767A1 Control system for diesel particulate trap regeneration system |
| 08/08/1991 | WO1991011593A1 Muffler for emission control of diesel particulates |
| 08/08/1991 | DE4102645A1 Air cooling parts of vehicle IC engine - include exhaust gas driven fan operating turbocharger |
| 08/01/1991 | DE4002774A1 IC engine exhaust catalyst - has exhaust gases fed through catalyst in two directions |
| 08/01/1991 | DE4002649A1 Blank ceramic honeycomb body - has spikes to distort webs to seal separate channels before the body is fired |
| 07/31/1991 | EP0439226A1 Low-restriction exhaust treatment apparatus |
| 07/31/1991 | EP0438804A1 Apparatus for driving turbo supercharger |
| 07/31/1991 | EP0438682A2 Exhaust system with particle filter and regeneration burner |
| 07/31/1991 | EP0438603A1 Method of treating exhaust gas |
| 07/31/1991 | EP0438495A1 Apparatus and method for cooling exhaust in an outboard marine propulsion system |
| 07/25/1991 | WO1991010828A1 A means and method for measuring and controlling smoke from an internal combustion engine |
| 07/25/1991 | WO1991010496A1 Catalytic reactor for gas phase reactions |
| 07/25/1991 | DE3940194A1 Piston IC engine operating system - uses internal ribs in nozzle and pipe downstream |
| 07/25/1991 | CA2033652A1 Low restriction exhaust treatment apparatus |
| 07/24/1991 | EP0437817A1 Catalyst housing |
| 07/24/1991 | EP0437685A1 Soot filter |
| 07/24/1991 | EP0437626A1 Heat resistant structure and method of manufacture thereof |
| 07/24/1991 | CN2081433U Catalytic gas-purifying device for locomotive |
| 07/23/1991 | US5034020 Fuel additives to improve combustion, a platinum compound |
| 07/23/1991 | US5033264 Heat exchanger for heating water |
| 07/18/1991 | DE4000708A1 Hydride use to reduce nitrogen oxide cpds. in combustion exhaust gas - after oxidising combustible components with air, reducing environmental pollution |
| 07/17/1991 | EP0436533A1 Honeycomb structure, in particular with s-shaped, partially reinforced layers of sheet metal. |
| 07/16/1991 | US5032441 Intumescent conforming mounting pad |
| 07/16/1991 | US5032095 Marine engine with galvanic circuit protection |
| 07/16/1991 | US5031401 Means for treatment of the exhaust gases of combustion |
| 07/11/1991 | WO1991010048A1 Exhaust pipe with helical-flow catalyst support |
| 07/11/1991 | WO1991009663A1 A system and a process for the purification treatment of smokes, dusts and exhaust gases after combustion |
| 07/10/1991 | EP0435956A1 Catalyst with a double casing system. |
| 07/09/1991 | US5029668 Muffler system |
| 07/09/1991 | CA1285885C Catalytic converter with multiple removable catalyst panels |
| 07/09/1991 | CA1285884C Wound metallic exhaust gas catalyst carrier body having a geometrically complex cross-sectional shape, and method, apparatus and blank for producing the body |
| 07/04/1991 | DE4042079A1 Automobile exhaust gas cleaning catalyst - having palladium-rich region in catalyst layer near gas inlet end |
| 07/04/1991 | DE4040721A1 Silencer unit for four-stroke motorcycle - includes coated catalyst(s) for exhaust gas cleaning |
| 07/04/1991 | DE4000062A1 Igniting soot particles on diesel filter - involves use of air warmed by exhaust gas heat exchanger |
| 07/02/1991 | US5028405 Diesel Internal Combustion Engines |
| 07/02/1991 | US5028397 Catalytic converter |
| 07/02/1991 | CA1285493C Method and apparatus for filtering solid particulate matter from diesel engine exhaust |
| 06/28/1991 | CA2033241A1 Method for purification of exhaust gas and apparatus therefor |
| 06/27/1991 | DE4039688A1 IC engine exhaust cleaning unit - has exhaust gas heat exchanger between adsorption unit upstream and downstream sides |
| 06/27/1991 | DE3942380A1 Piston IC engine with exhaust cleaner - has exhaust pipe stop valve opening and shutting after exhaust valve |
| 06/26/1991 | EP0434578A1 Exhaust outlet with venturi |
| 06/26/1991 | EP0434577A1 Exhaust outlet with gas cleaner |
| 06/26/1991 | EP0434539A1 In particular catalytic exhaust system for the exhaust gases of an internal combustion engine |
| 06/26/1991 | EP0433772A2 Exhaust gas purification system for an internal combustion engine |
| 06/26/1991 | EP0433735A1 Alarm device for the protection of catalytic converters for the exhaust gases of endothermic motors |
| 06/26/1991 | EP0433691A1 Combined air flow control and check valve |
| 06/26/1991 | EP0433598A1 Diesel engine soot filter regenerating process and device |
| 06/26/1991 | EP0433582A1 Preparation of ceramic honeycomb structure having selectively sealed channels |
| 06/25/1991 | US5026611 Metal-made carrier body for exhaust gas cleaning catalyst and production of the carrier body |
| 06/25/1991 | US5025649 Metal honeycomb catalyst support having a double taper |
| 06/25/1991 | CA1285140C Carbon ignition temperature depressing agents and method of regenerating an automotive particulate trap utilizing said agent |
| 06/20/1991 | DE4037494A1 Cooling arrangement for vehicle exhaust system - involves provision of blade lattice to form an aerofoil structure |
| 06/19/1991 | EP0433223A1 Catalytic structure and reactor for heterogeneous reactions |
| 06/19/1991 | EP0432534A1 Catalyst for cleaning exhaust gases from Diesel engines |
| 06/19/1991 | EP0432483A1 Catalytic converter arrangement for purification of exhaust gases |
| 06/19/1991 | EP0432233A1 Muffler for a compressed air driven motor |
| 06/19/1991 | CN1052355A Arrangement for catalytic purification of exhaust gases of internal combustion engines, in particular two-stroke engines |
| 06/19/1991 | CN1052262A Process for purification of exhaust gas of diesel engines |
| 06/18/1991 | US5024985 Support material for three-way catalysts containing platinum group metal and having reduced tendency for H2 S emission |
| 06/18/1991 | US5024054 Engine exhaust system with sequential loading of multiple filters |
| 06/18/1991 | CA1284955C Electrical ignition device for regeneration of a particulate trap |
| 06/13/1991 | DE4001419C1 Exhaust gas catalyser - comprises corrugated housing with middle section having elastic mat, covering several catalyst supports |
| 06/12/1991 | EP0431985A1 Evacuation and anti-pollution treatment device of exhaust gases of an engine |
| 06/12/1991 | EP0431509A2 Method and arrangement for removing soot and condensible components from diesel exhaust gases |
| 06/12/1991 | EP0431405A1 Device for catalytic purification of exhaust gases of internal combustion two-stroke engines |
| 06/12/1991 | EP0431204A1 Exhaust treating apparatus |
| 06/12/1991 | EP0430945A1 Honeycomb structure, in particular catalyst support, composed of a plurality of interlaced bundles of sheet metal. |
| 06/11/1991 | US5022975 Solid state electrochemical pollution control device |
| 06/11/1991 | US5022226 Reducing and oxidizing nox; heat exchanging, generating electricity |
| 06/06/1991 | DE3939958A1 Burner e.g. for vehicle diesel IC engine exhaust filter regulation - injects unburnt raw fuel into combustion chamber filled with exhaust gases using compressed air generated in injector |
| 06/06/1991 | DE3939769A1 Air feed device for IC engine exhaust - has shut=off valve in front of back-pressure valve |
| 06/05/1991 | EP0430435A2 Three-way catalyst for automotive emission control |
| 06/05/1991 | EP0430269A2 Exhaust gas purification system for an internal combustion engine using alcohol blended gasoline for fuel |
| 06/05/1991 | EP0430153A1 Reciprocating internal combustion engine |
| 06/05/1991 | EP0429793A1 Heat-resistant stainless steel foil for catalyst-carrier of combustion exhaust gas purifiers |
| 06/05/1991 | EP0429511A1 Apparatus and method for removing particulate matter from the exhaust gases of an internal combustion engine |
| 06/04/1991 | US5021227 Method of removing nitrogen oxides in exhaust gases from a diesel engine |
| 06/04/1991 | US5020319 Hollow heat-resisting body assembly for internal combustion engine |
| 05/30/1991 | WO1991007575A1 Exhaust system |
| 05/29/1991 | EP0429246A1 Low temperature expandable vermiculite and intumescent sheet material containing same |
| 05/29/1991 | EP0429061A1 Exhaust system for automotive engine |
| 05/29/1991 | DE4030626A1 Verfahren zur herstellung eines halbzeugs A method for fabricating a preform |
| 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 |
| 05/28/1991 | US5019546 Catalyst for purifying exhaust gas and method of manufacturing the same |
| 05/28/1991 | US5019142 Soot filter for diesel vehicles |
| 05/28/1991 | US5018354 Auxiliary combustion chambers for supercharged internal combustion engines and internal combustion engines equipped with such a chamber |
| 05/28/1991 | US5018348 Method for detecting the condition of catalytic converters |
| 05/28/1991 | US5018272 Method of making an exhaust catalyst by securing wire mesh onto an arbor |
| 05/23/1991 | CA2026608A1 Three-way catalyst for automotive emission control |
| 05/22/1991 | EP0428187A2 Portable engine unit |
| 05/22/1991 | EP0428186A1 Portable engine unit |
| 05/22/1991 | EP0428037A1 Filter for eliminating pollutants |
| 05/22/1991 | CN2077484U 排气消音器 Exhaust muffler |
| 05/21/1991 | US5016439 Exhaust system for a small watercraft engine |
| 05/21/1991 | US5016438 Emission control apparatus |
| 05/21/1991 | US5016437 Apparatus for cleaning diesel engine exhaust gas |
| 05/16/1991 | DE3937604A1 Reciprocating piston IC engine - has silencer with clutch and thrust nozzles for reduced pollution |