| Patents for F01N 3 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust (61,059) |
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| 07/06/1988 | EP0273232A2 Method for purifying exhaust gases of internal-combustion engines, and catalytic converter |
| 07/05/1988 | US4755360 Assembly for removing oil contamination from bleed air |
| 06/30/1988 | WO1988004580A1 Device for purification of gases |
| 06/29/1988 | EP0272619A1 Regeneration process and device for the soot filter of a compression-ignition engine |
| 06/29/1988 | CN87214427U Automobile exhaust purifying muffler |
| 06/28/1988 | US4753919 Method for optimizing stacking characteristics of corrugated metal foil |
| 06/28/1988 | US4753918 Growth compensating metallic exhaust gas catalyst carrier body and metal sheet for manufacturing the same |
| 06/23/1988 | DE3642472A1 Process and apparatus for purifying exhaust gases |
| 06/22/1988 | CN86107431B Exhaust muffler with extinguishing sparks and dusting mechanism |
| 06/21/1988 | US4752599 Method for producing a base of a catalyst carrier for automobile exhaust gas-purification |
| 06/16/1988 | WO1988004358A1 Exhaust system for internal combustion engines with two cylinder blocks |
| 06/15/1988 | EP0270990A1 Regenerable filter for exhaust gases of an internal-combustion engine |
| 06/15/1988 | EP0270856A1 Metal support for a catalyst and method for its production |
| 06/14/1988 | US4751054 Ammonia injection controlled by temperature and gas flow rate monitors; computers |
| 06/14/1988 | US4750251 Mat support/substrate subassembly and method of making a catalytic converter therewith |
| 06/08/1988 | EP0269864A1 Filtration device with wetted filtering elements |
| 06/07/1988 | US4749028 Air conditioner system with combustion heater for automobiles |
| 06/07/1988 | US4748807 For purifying the exhaust gases |
| 06/01/1988 | EP0269228A2 Fuel additive metering apparatus |
| 06/01/1988 | EP0269101A2 Catalytic muffler using thermal isolation |
| 06/01/1988 | DE3739081A1 Device for sound damping in internal combustion units |
| 06/01/1988 | DE3700182A1 Reciprocating piston engine with method for improving the reaction in engine combustion chambers and secondary reaction areas |
| 05/31/1988 | US4747264 Process for the automatic regeneration of a soot filter in a passenger vehicle having a diesel engine |
| 05/25/1988 | EP0268026A1 Procedure for regenerating particle filters |
| 05/25/1988 | CN86107431A Spark trap muffler |
| 05/24/1988 | US4746570 Heat-resistant, highly expansible sheet material for supporting catalyst carrier and process for the preparation thereof |
| 05/19/1988 | DE3711294A1 Filter apparatus |
| 05/19/1988 | DE3638203A1 Particulate filter, regenerable by externally applied means, for the exhaust system of a diesel internal combustion engine |
| 05/19/1988 | DE3638050A1 Exhaust gas purification apparatus |
| 05/19/1988 | DE3638049A1 Exhaust gas purification apparatus |
| 05/19/1988 | DE3637428A1 Filter |
| 05/19/1988 | DE3636801A1 Silencer with integral condensate drainage |
| 05/18/1988 | EP0267711A2 Method of catalytically oxidizing alcohol vapor |
| 05/18/1988 | CN87204324U Energy-saving diversion muffler |
| 05/17/1988 | US4744217 Particle separator arrangement in an exhaust pipe of a diesel engine |
| 05/17/1988 | US4744216 Electrical ignition device for regeneration of a particulate trap |
| 05/17/1988 | US4744213 Pressure-wave machine |
| 05/11/1988 | EP0266932A1 Electrical ignition system for regeneration of a particulate trap |
| 05/11/1988 | DE3638082A1 Exhaust pipe with hollow conical catalyst carrier bodies |
| 05/11/1988 | DE3637331A1 Device for the removal of soot from the exhaust gases of an internal combustion engine, especially a diesel internal combustion engine |
| 05/11/1988 | DE3635038A1 Device for the removal of soot from the exhaust gases of an internal combustion engine, especially a diesel internal combustion engine |
| 05/05/1988 | WO1988003049A1 Filter device with liquid-wetted filter elements |
| 05/04/1988 | EP0266256A1 Exhaust gas control device for a turbo-charged engine |
| 05/04/1988 | EP0168388B1 Automatic initiation system for regenerating a particulate filter trap |
| 05/04/1988 | CN87107002A Blow-off pipes of internal combustion engine with multi-cyliders and supercharging pistons |
| 05/03/1988 | US4741411 Muffler system |
| 05/03/1988 | US4741156 Releasing hydrogen from meta (alloy) hydride to produce heat |
| 05/03/1988 | US4741082 Method for manufacturing and reinforcing a catalytic unit intended for purifying exhaust gases |
| 04/28/1988 | DE3704930A1 Ceramic soot burn-off filter for diesel engines with an ignition device |
| 04/28/1988 | DE3643055C1 Internal combustion engine with an enclosing capsule |
| 04/28/1988 | DE3448081C2 Pilot-controlled pressure-relief valve |
| 04/27/1988 | EP0265032A2 Catalytic converter with multiple removable catalyst panels |
| 04/26/1988 | US4740408 For purifying exhaust gases |
| 04/21/1988 | WO1988002809A1 Exhaust-pipe for supercharged multi-cylinder internal combustion piston engine |
| 04/20/1988 | EP0264202A1 Low energy regeneration system for particulate trap for an internal combustion engine |
| 04/20/1988 | EP0263893A1 Housing for catalytic converter elements and catalytic converter |
| 04/19/1988 | US4738013 Method and apparatus for attaching a ring-like part to the outer periphery of columnar material |
| 04/14/1988 | DE3601434A1 Apparatus and process for exhaust gas purification and catalysis from Carnot cycle engines and furnaces, and also for domestic fireplaces |
| 04/13/1988 | EP0263324A1 Catalyst carrier for an exhaust gas cleaning reactor |
| 04/13/1988 | EP0263183A1 NH3-Injection controller |
| 04/13/1988 | CN87208195U Exhaust muffler of purification for automobiles |
| 04/12/1988 | US4737345 Including static mixer; forming homogeneous mixture with ammonia |
| 04/12/1988 | US4736584 For internal combustion engines |
| 04/07/1988 | DE3632696A1 Motor vehicle with a diesel engine |
| 04/05/1988 | US4735046 Oil remover from exhaust gas of marine propulsion unit |
| 03/31/1988 | DE3632145A1 Catalyst |
| 03/31/1988 | DE3632059C1 Holding device for the monoliths of an exhaust gas catalyst |
| 03/30/1988 | EP0261445A2 Metal honeycomb catalyst support having a double taper |
| 03/30/1988 | CN87210495U Fuel-economizing device eliminating pollution of exhaust gas from gasoline or diesel engine |
| 03/30/1988 | CN87204375U Energy-saving exhaust gas purifying damper for motor vehicle |
| 03/23/1988 | EP0260704A2 Catalytic shaped body, and method and apparatus for its production |
| 03/22/1988 | US4733056 Heater backed with a ceramic substrate |
| 03/22/1988 | US4732594 Process for scrubbing exhaust gases from diesel engines and filter cartridge for carrying out the process |
| 03/22/1988 | US4732593 Sintered ceramic filter structure having body compressively stressed by sintered ceramic material having different sintering shrinkage ratio |
| 03/22/1988 | US4731994 Apparatus for burning solid particles in the exhaust gas of internal combustion engines |
| 03/22/1988 | US4731993 Exhaust apparatus for a V-type internal combustion engine |
| 03/22/1988 | CA1234320A1 Air valve for improving the performance of an internal combustion engine |
| 03/16/1988 | EP0260031A1 Particulate trap regeneration system for an engine |
| 03/15/1988 | US4730455 Purifying exhaust gas of internal combustion engine |
| 03/15/1988 | US4730454 Supplying secondary energy to deposit |
| 03/10/1988 | DE3728189A1 Pressure-wave supercharger for an internal combustion engine |
| 03/09/1988 | EP0258813A1 Catalytic granule converter |
| 03/09/1988 | EP0258547A2 Refractory fiber spatial structure and manufacturing method thereof |
| 03/03/1988 | DE3726502A1 Process for producing a metal support body |
| 03/02/1988 | EP0257236A1 Exhaust gas silencer |
| 03/01/1988 | US4727828 Portable engine unit |
| 03/01/1988 | US4727827 Fuel additive metering system |
| 03/01/1988 | US4727717 Exhaust gas cleaning system for multi-cylinder internal combustion engines |
| 02/24/1988 | EP0256416A1 Exhaust gas cleaning device |
| 02/24/1988 | EP0256325A2 Filter for eliminating soot particles, especially from a diesel engine exhaust |
| 02/23/1988 | US4726105 Interior bonded to heat resistant shell by hot working; partially dissolved to form honeycomb |
| 02/18/1988 | DE3626729A1 Exhaust-purifying device for motor vehicles |
| 02/18/1988 | DE3626728A1 Exhaust-purifying device for motor vehicles |
| 02/16/1988 | US4725411 Device for physical and/or chemical treatment of fluids |
| 02/11/1988 | DE3722970A1 Method and device for the cleaning of a particle filter, especially a soot filter |
| 02/11/1988 | DE3721572A1 Process for open-loop and closed-loop control of a catalyst |
| 02/11/1988 | DE3701385C1 Piston internal combustion engine with liquid cooling |
| 02/11/1988 | DE3625727A1 Module filter for separating off hydrocarbons and catalytic conversion of CO to CO2 |
| 02/10/1988 | CN86210554U Exhaust purifying device for car |
| 02/09/1988 | US4723973 Filter and heater means |