| Patents for F01N 3 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust (61,059) |
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| 05/16/1991 | CA2028219A1 Low temperature expandable vermiculite and intumescent sheet material containing same |
| 05/15/1991 | CA2029331A1 Filter for the separation of impurities or contaminants |
| 05/14/1991 | US5014817 Engine exhaust apparatus and method |
| 05/14/1991 | US5014512 Acceleration device of exhaust gas stream for an internal combustion engine |
| 05/14/1991 | US5014510 Exhaust system, particularly for two-stroke cycle internal combustion engines |
| 05/14/1991 | US5014509 Diesel engine white smoke control system |
| 05/14/1991 | CA1284111C Mixing tube assembly for marine propulsion system |
| 05/08/1991 | EP0425983A1 Exhaust processor with sized ends |
| 05/08/1991 | EP0425499A1 Compact vacuum insulation |
| 05/08/1991 | DE3936421A1 Successive sections of ceramic exhaust pipe collecting soot - for burning off soot, operates electrically, electrostatically or magnetically to catalytically purify fumes |
| 05/08/1991 | CN2076606U Exhaust catalytic-purifier for internal combustion engine |
| 05/08/1991 | CN2076605U Silencer-smoke collector for car tail-gas |
| 05/07/1991 | US5013341 Apparatus for separating particulate material from high-temperature gases |
| 05/07/1991 | US5013340 Rotating diesel particulate trap |
| 05/07/1991 | US5013232 Extrusion die construction |
| 05/07/1991 | US5012642 Exhaust system for two-stroke cycle internal combustion engines |
| 05/07/1991 | US5012641 Emissions control system for use in conjunction with an ic engine primary emissions control system |
| 05/07/1991 | CA1283865C Method for optimizing stacking characteristics of corrugated metal foil |
| 05/02/1991 | EP0425433A1 Filter material for the filtration of soot particles |
| 05/02/1991 | EP0424966A1 Exhaust gas purification device in variable combination of absorbent and catalyst according to gas temperature |
| 05/02/1991 | EP0424377A1 Reduction of the ignition temperature of diesel soot |
| 05/02/1991 | DE3936171A1 Exhaust manifold for IC engine - has cooling rib on common wall between manifold collection lines |
| 05/02/1991 | DE3936056A1 Filter cleaning engine exhaust gases, esp. motor vehicle engines |
| 05/01/1991 | CN2076161U Fireproof smoke-reducing silencer for engine |
| 04/30/1991 | CA1283610C Catalytic converter for motor vehicles |
| 04/27/1991 | CA2028283A1 Filter material for filtering out soot particles |
| 04/25/1991 | DE4031837A1 Connection flange for pipes - is designed to compensate for weed distortion and maintain air tight joints |
| 04/25/1991 | DE3935095A1 Particle filter in IC engine exhaust - has inner pipe, closed at one end, with perforation in its surface |
| 04/25/1991 | DE3934883A1 IC engine with air injection device - has connected distributor tube and injection tube |
| 04/24/1991 | EP0424092A1 Diesel engine exhaust system |
| 04/24/1991 | CA2028217A1 Exhaust processor with sized ends |
| 04/23/1991 | US5009857 Filter for gases |
| 04/23/1991 | US5009763 Honeycomb solid oxide electrolytic cell assembly and method |
| 04/23/1991 | US5009065 Tuned exhaust processor assembly |
| 04/18/1991 | WO1991004779A1 Process for the production of a semi-finished article, and uses of the article thus produced |
| 04/18/1991 | DE3933925A1 Treatment of exhaust gas - involves afterburner and catalyst together with flame barrier to impede gas flow |
| 04/17/1991 | EP0422432A1 Exhaust gas treating process for an internal combustion engine |
| 04/16/1991 | US5008086 Erosion resistant mounting composite for catalytic converter |
| 04/16/1991 | US5007238 Apparatus for evaporating condensed liquid |
| 04/16/1991 | US5007237 Diesel internal combustion engine with temperature-dependent adjustment of start of fuel injection |
| 04/11/1991 | DE4028720A1 Ceramic honeycomb body useful as catalyst in IC. engines - comprises materials of high electric constant and is fitted with microwave radiator |
| 04/11/1991 | DE3933484C1 Separator removing solids, liquids or condensates from gas stream - comprises housing with several windowed partitions through which a helical screw passes |
| 04/09/1991 | US5006134 Coagulator for systems for the purifying of exhaust gases of fossil fuels |
| 04/04/1991 | WO1991004394A1 Process and device for cleaning a soot filter |
| 04/03/1991 | EP0420521A1 Improved emission control apparatus |
| 04/03/1991 | EP0420462A2 A catalytic converter |
| 04/03/1991 | EP0419906A1 Core element and core for electrically heatable catalytic converter |
| 04/02/1991 | US5003781 Air supply and exhaust control systems for turbocharged internal combustion engines |
| 04/02/1991 | US5003774 Apparatus for soot removal from exhaust gas |
| 03/28/1991 | DE3930748A1 Mixt. used to burn off carbon black on exhaust gas filter - comprising acetyl acetone and copper component in finely divided insol. form |
| 03/28/1991 | DE3930680A1 Radial and axial movements of expanding exhaust purifier - matrix in housing are permitted by fixed and mobile supports incorporating spring strips |
| 03/27/1991 | EP0418305A1 A layered automotive catalytic composite. |
| 03/26/1991 | US5002923 Catalyst support for catalytic reactors |
| 03/26/1991 | US5001899 Process and apparatus for the cleaning of a soot filter |
| 03/21/1991 | WO1991003631A1 Diesel exhaust gas filter |
| 03/21/1991 | DE3929303A1 Electronic controller for carbon filter for diesel engine - has programmed temperature control to burn off carbon |
| 03/20/1991 | EP0417412A2 Exhaust system for multi-cylinder internal combustion engines |
| 03/20/1991 | EP0417383A2 Method and apparatus for cleaning a soot filter |
| 03/19/1991 | US5000929 Exhaust gas purification catalyst |
| 03/19/1991 | US5000768 Filtering and absorbing device for vehicle discharge pipe |
| 03/19/1991 | US4999998 Method and apparatus for elimination of toxic oxides from exhaust gases |
| 03/13/1991 | CN2073034U Purifying dissipative muffler of motor |
| 03/12/1991 | US4999168 Crack resistant intumescent sheet material |
| 03/12/1991 | US4998510 Cooling system for air cooled internal combustion engines |
| 03/07/1991 | DE4026521A1 Exhaust gas catalytic purifier matrix with external heating - maximises hot gas access by welding to outer casing at outlet end only |
| 03/07/1991 | DE3928790A1 Apertured support plate for catalyst receives loose fibres - before bonding, compaction and catalyst application to interstices |
| 03/06/1991 | EP0415835A1 Element for the filtration and/or the purification of hot gases and its method of manufacture |
| 03/06/1991 | EP0415356A1 Exhaust gas cleaning device for internal combustion engine |
| 03/06/1991 | EP0415128A1 Internal combustion engine |
| 03/06/1991 | EP0415101A1 Exhaust system, in particular, device for the purification of exhaust gas |
| 02/28/1991 | DE3927743A1 Electrostatic filter insulator cleaning - by compressed air jets controlled by voltage drop |
| 02/27/1991 | EP0414411A2 Extrusion die construction and its method of manufacture |
| 02/27/1991 | EP0413998A1 Device for the purification of exhaust gases |
| 02/26/1991 | CA1280728C Vehicle heating system |
| 02/21/1991 | WO1991001876A1 Heat resistant structure and method of manufacture thereof |
| 02/21/1991 | WO1991001807A1 Honeycomb body with internal inflow edges, in particular catalyst body for motor vehicles |
| 02/21/1991 | WO1991001795A1 Method of treating exhaust gas |
| 02/21/1991 | DE3926072A1 Catalyser for purifying IC engine exhausts - has circumferential corrugation impressed into jacket surrounding catalyst support matrix |
| 02/20/1991 | EP0214974B1 Exhaust gas reactor and process for treating exhaust gases |
| 02/19/1991 | US4993452 Low pressure check valve |
| 02/19/1991 | US4993225 Two cycle engine vapor emission control |
| 02/19/1991 | US4993224 Fluid mixing apparatus |
| 02/14/1991 | DE3926428A1 Displacement pump for pneumatic equipment of vehicle - has low pressure line connected to vacuum operated equipment, and equipment using high pressure line |
| 02/14/1991 | DE3926259A1 Pump supplying additional air to IC engine exhaust system - has pump which operates on air intake pulsations, fitted in air intake chamber, which feeds cylinder inlet pipes |
| 02/13/1991 | EP0412931A1 Process for production of a porous ceramic body |
| 02/13/1991 | EP0412930A1 Process for production of a porous ceramic body |
| 02/13/1991 | EP0412521A1 Control circuit for influencing the exhaust gas composition of an internal combustion engine |
| 02/13/1991 | EP0412345A1 A unitary exhaust system and method for reducing particulate emmissions from internal combustion engines |
| 02/13/1991 | EP0412103A1 Electrically conductive honeycomb body, process for monitoring it and its use as a support for an exhaust gas catalyst. |
| 02/13/1991 | EP0412086A1 Arrangement for accelerating the response of an exhaust gas catalyst. |
| 02/12/1991 | US4992233 Sintering metal powders into structures without sintering aids |
| 02/12/1991 | US4992021 Side channel blower |
| 02/12/1991 | US4991546 Cooling device for boat engine |
| 02/12/1991 | US4991396 High performance burner |
| 02/09/1991 | CA2022768A1 Process for manufacturing a ceramic foam body |
| 02/09/1991 | CA2022767A1 Process for manufacturing a ceramic foam body |
| 02/07/1991 | WO1991001361A1 Method for catalyzing fuel for powering internal combustion engines |
| 02/07/1991 | WO1991001178A1 Honeycomb body with internal flow-conducting surfaces, in particular catalyst body for motor vehicles |
| 02/07/1991 | DE3925845A1 Catalytic exhaust cleaner housing shells - have sealing mat engaged by tags formed from inner shell layer |
| 02/07/1991 | DE3925186A1 Exhaust gas detoxification unit for Otto engines - converts carbon mon:oxide, hydrocarbon(s) and nitrogen oxide(s) into carbon di:oxide, water and nitrogen |