| Patents for F01N 3 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust (61,059) |
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| 06/23/1994 | DE4243500A1 Catalyst insert, esp. for cleaning engine exhaust gases |
| 06/23/1994 | DE4243035A1 Regenerator for diesel engine exhaust gas soot filters |
| 06/23/1994 | DE4242521A1 Exhaust gas catalytic converter for combustion engine |
| 06/23/1994 | DE4242496A1 Exhaust gas system for combustion engine |
| 06/22/1994 | EP0602963A1 Exhaust gas purification method and apparatus therefor |
| 06/22/1994 | EP0602468A1 A device for detecting deterioration of a catalytic converter for an engine |
| 06/22/1994 | EP0602238A1 Process for combustion of sulfur-containing, carbonaceous materials |
| 06/22/1994 | EP0602234A1 Gas thermal treatment process and device, in particular thermal and/or catalytic afterburning of waste gas. |
| 06/22/1994 | EP0602192A1 Antenna system for soot detecting apparatus |
| 06/22/1994 | EP0602063A1 High-length monobloc honeycomb structure |
| 06/21/1994 | US5322672 Electrically conductive honeycomb body, and method of monitoring and operating it as an exhaust gas catalyst carrier body |
| 06/21/1994 | US5322671 Multi-chambered; one surface adapted for deposition of metal catalyst |
| 06/21/1994 | US5322537 Exhaust gas filter and method for making the same |
| 06/16/1994 | DE4342652A1 Honigwabenförmige Heizeinrichtung Honey honeycomb heater |
| 06/16/1994 | DE4342062A1 Nitrogen-oxide absorbing automotive exhaust cleaning system - absorbs nitrogen oxides when lean fuel flow and liberates nitrogen oxide in atmos. of lesser oxygen concn.; cuts the consumption of reducing agent required for nitrogen oxide regeneration and accelerates regeneration |
| 06/16/1994 | DE4339025A1 Catalytic purificn. of polluted air - using element with absorbent portion and catalytic combustion portion. |
| 06/16/1994 | DE4242274A1 Particulate filter regeneration at engine-dependent constant temp. - is carried out with fuel supply for combustion regulated adaptively in accordance pref. with rotational speed of engine |
| 06/16/1994 | DE4242096A1 Particle filter system for diesel engine exhaust - with single fan supplying both combustion air and rinsing air for regeneration burner for particle filter |
| 06/16/1994 | DE4242095A1 Particle filter system for reducing diesel engine exhaust emissions - with regeneration burner allowing heating of particle filter at low exhaust gas temps |
| 06/16/1994 | DE4242094A1 Particle filter system for diesel engine exhaust gases - including regeneration burner with integral valve housing and combustion chamber |
| 06/16/1994 | DE4242093A1 Diesel engine exhaust particle filter monitored by pressure transducer - linked to filter regeneration burner with rifled air atomiser jet linked to air burner supply |
| 06/16/1994 | DE4242091A1 Particle filter system for diesel engine - with upstream regeneration burner having heating device operated at low exhaust gas temp. |
| 06/16/1994 | DE4242090A1 Method to operate particle filter system - involves oxygen deficiency occurring in exhaust gas of engine being made up by increasing combustion air volume |
| 06/16/1994 | DE4241406A1 Fan housing esp. for sec. fan in IC engines with regulated three-way catalyser - has first housing part for reception of electric motor with second coaxially fitted housing part for reception of at least one fan impeller driven by motor |
| 06/15/1994 | EP0602018A1 Intumescent conforming mounting pad |
| 06/15/1994 | EP0601314A1 Exhaust gas cleaning device for reducing hydrocarbon emissions during cold start of combustion engines |
| 06/15/1994 | EP0601287A2 Apparatus for purifying exhaust gas of diesel engine |
| 06/15/1994 | EP0483256B1 Honeycomb body with internal flow-conducting surfaces, in particular catalyst body for motor vehicles |
| 06/14/1994 | US5321231 System for supplying power to an electrically heated catalyst |
| 06/14/1994 | US5321215 Vertical exhaust system incorporating a water trap |
| 06/14/1994 | US5320523 Burner for heating gas stream |
| 06/14/1994 | US5319930 Exhaust gas purifying device for an internal combustion engine |
| 06/14/1994 | US5319929 Catalytic converter system |
| 06/14/1994 | US5319928 Method and arrangement for controlling the operation of a secondary air pump |
| 06/14/1994 | US5319921 Catalytic converter efficiency monitoring |
| 06/09/1994 | WO1994012779A1 Control system for an internal combustion engine |
| 06/09/1994 | WO1994012778A1 Exhaust gas cleaning apparatus for internal combustion engines |
| 06/09/1994 | WO1994012777A1 Apparatus for heterogenous catalysis |
| 06/09/1994 | DE4240595A1 Additional supply for vehicle exhaust - has non-return valve element with bi=metallic strip closing supply line at predetermined temperature |
| 06/08/1994 | EP0408772B1 Exhaust gas cleaning method |
| 06/08/1994 | CA2102573A1 Variable volume axial through-flow catalyst responsive to temperature |
| 06/07/1994 | US5318757 Catalyst composition: zirconium oxide powder loaded with rhodium and a composite oxide of aluminum and cerium loaded with platinum or palladium |
| 06/07/1994 | US5318756 Electrode feed through |
| 06/07/1994 | US5318108 Gas-controlled dynamic vacuum insulation with gas gate |
| 06/07/1994 | US5317869 Honeycomb heater |
| 06/07/1994 | US5317868 Method and arrangement for determining the conversion performance of a catalytic converter |
| 06/01/1994 | EP0599323A1 A regenerable filter for the exhaust gas of an internal-combustion engine |
| 06/01/1994 | EP0599061A1 Method to purify the exhaust gas of an internal combustion engine |
| 06/01/1994 | EP0599060A1 Burner system for exhaust gas detoxification or purification for an internal combustion engine |
| 06/01/1994 | EP0598917A1 Exhaust emission control system for internal combustion engine |
| 06/01/1994 | EP0598916A1 Exhaust emission control system for internal combustion engine |
| 06/01/1994 | EP0598785A1 Catalyst monitoring using ego sensors |
| 06/01/1994 | EP0569400B1 Honeycomb body with non-uniform electric heating |
| 06/01/1994 | DE4240012A1 Vehicle exhaust gas cleaning system |
| 06/01/1994 | CN2167196Y Water filtration device for filtering automobile waste gas |
| 06/01/1994 | CN2167195Y Automobile purification and energy-saving device |
| 05/31/1994 | US5316997 Catalytic exhaust systems, honeycombs |
| 05/31/1994 | US5316738 Shells and ceramic poisoning prevention material with catalyst |
| 05/31/1994 | US5315824 Cold HC adsorption and removal apparatus for an internal combustion engine |
| 05/31/1994 | US5315823 Control apparatus for speedily warming up catalyst in internal combustion engine |
| 05/26/1994 | WO1994011623A2 Method and apparatus for treating an engine exhaust gas stream |
| 05/26/1994 | WO1994011622A1 Catalytic converters |
| 05/26/1994 | WO1994011467A1 Method for reducing harmful emissions from a diesel engine equipped with a particulate trap |
| 05/26/1994 | WO1994011101A1 Apparatus and method for reducing pollutants in effluent gas flow |
| 05/26/1994 | DE4339447A1 Catalytic converter honeycomb structure - includes passages having thicker outer walls than walls at inner walls in curved section to give uniform fluid velocity |
| 05/26/1994 | DE4339446A1 Radial honeycomb passages have thicker outer walls than walls on inner radial sections - providing uniform fluid velocity through the passages |
| 05/26/1994 | DE4339172A1 Producing cordierite-contg. body - with low thermal expansion coefficient |
| 05/26/1994 | DE4338883A1 IC engine exhaust gases catalyser - has fuel injection device preceding each successive catalysation stage controlled in dependence on exhaust gas temp |
| 05/26/1994 | CA2146244A1 Method and apparatus for treating an engine exhaust gas stream |
| 05/25/1994 | CN1087031A Noble metal catalyst for purifying waste gas exhausted from IC engine and preparation |
| 05/24/1994 | US5314851 Reactivation of solid oxidation catalysts |
| 05/24/1994 | US5314665 Catalytic converter |
| 05/24/1994 | US5313792 Transistion metal-zeolite first catalyst, three-way second catalyst and noble metal third catalyst |
| 05/19/1994 | DE4319294C1 Denitrification of engine exhaust gas without adding reducing agent - by adsorption in adsorber in exhaust pipe, periodic desorption with hot gas and recirculation to combustion in suction air supply |
| 05/18/1994 | EP0597738A1 By lanthan stabilized alumina and its procedure for preparation |
| 05/18/1994 | EP0597237A2 Process for computer controlled frontal alternating closure of channels of a honeycomb body monolith for exhaust gas purifiers of combustion engines |
| 05/18/1994 | EP0597206A1 Process for the reduction of soot particles in exhaust gas streams |
| 05/18/1994 | EP0597106A1 Exhaust and purification device for internal combustion engine |
| 05/18/1994 | CN2165230Y Exhaust catalytic purifying muffler |
| 05/18/1994 | CN2165229Y Insulation type fume-filtering oil-absorbing silencing purifier |
| 05/17/1994 | US5312694 Material for catalyzer for purification of exhaust gas and catalyzer using such a material |
| 05/17/1994 | US5311738 Exhaust gas duct for a row of cylinders of an internal combustion engine |
| 05/17/1994 | CA2037690C Method for reducing methane exhaust emissions from natural gas fueled engines |
| 05/11/1994 | WO1994010431A1 Method of producing fibrous material components |
| 05/11/1994 | WO1994010430A1 Catalytic exhaust gas purifier and catalytic method of purifying exhaust gas |
| 05/11/1994 | EP0596854A1 Catalyst |
| 05/11/1994 | EP0595939A1 Catalytic converter efficiency monitoring. |
| 05/11/1994 | DE4305198C1 Catalytic exhaust gas cleaning device - has expansible laminate with inner layer gap at interspace between adjacent catalyst bodies |
| 05/11/1994 | DE4237705A1 Diesel engine exhaust catalytic converter reduction agent inflow control - by sensors positioned down flow from reduction catalytic convertersimplifying registration of operating parameters end economising use of reduction agent |
| 05/11/1994 | DE4228266A1 Exhaust gas catalyst converter - based on foils coated and joined by sintered cellular coating |
| 05/11/1994 | CA2148238A1 Catalytic exhaust gas purifier and catalytic method of purifying exhaust gas |
| 05/05/1994 | DE4237215A1 Testing sec. air supply to IC engine exhaust system - applying lambda probe to detect variation due to supply of min. quantity of air required to overcome blocking valve |
| 05/04/1994 | EP0595456A1 Car Silencer for absorbing sound and exhaust pollutants |
| 05/04/1994 | EP0595076A2 Fluid heater and method |
| 05/04/1994 | EP0594826A1 Catalytic regenerative thermal oxidizer |
| 05/04/1994 | CN2163875Y Energy-saving, silencing exhaust apparatus for internal combustion engine |
| 05/03/1994 | US5308591 Core body for catalytic converter |
| 05/03/1994 | US5307633 Low carbon particle producing gas turbine combustor |
| 05/03/1994 | US5307628 Exhaust line allowing a faster triggering of the catalyst |
| 05/03/1994 | US5307627 Method and apparatus for oxidizing hydrocarbons from exhaust gases |