| Patents for F01N 3 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust (61,059) |
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| 08/03/1993 | CA1320910C Regenerable desiccant cartridge for automotive muffler |
| 07/29/1993 | DE4209196C1 Polluted air cleaning by catalytic oxidn. - in electric field generated between electrically heated catalyst and electrode |
| 07/29/1993 | DE4201870A1 Exhaust gas duct for refuse collection vehicle - uses central flaps to divert exhaust gases from tail pipe when vehicle is stationary |
| 07/28/1993 | CA2074555A1 Core for a catalytic converter |
| 07/22/1993 | WO1993014305A1 Process for monitoring a catalytic exhaust gas purifying system of an internal combustion engine |
| 07/22/1993 | WO1993014304A1 Soot filter for internal combustion and especially diesel engines |
| 07/22/1993 | DE4301286A1 Catalyst element for ship drive equipment - involves propeller shaft and housing contg exhaust gas inlet and outlet and support catalyst element which can be orientated between first and second orientations |
| 07/22/1993 | DE4201627A1 Power plant for supplying mains hot water and central heating housing blocks - using environmentally clean high power two-stroke opposed ceramic piston diesel engine driving turbo compressor and generator with cyclone filter and heat pump |
| 07/22/1993 | DE4201426A1 Wire mesh inner wall elements for exhaust gas cleaning device - has wire mesh stiffened by corrugations running parallel to its weft or warp to avoid vibration due to pulsations in exhaust gas pressure |
| 07/22/1993 | DE4201136A1 Verfahren zur ueberwachung einer katalytischen abgasreinigungsanlage eines verbrennungsmotors Process for the catalytic emission control system ueberwachung a combustion engine |
| 07/22/1993 | DE4201018A1 Exhaust gas treatment for IC engine - metering hydrogen@ and oxygen@ into exhaust duct to ignite and raise temp. to process exhaust products |
| 07/22/1993 | DE4200807A1 Motor exhaust gas cleaner - has guide channels into expanded exhaust pipe with flow cross=section equal to exhaust pipe for min. pressure loss |
| 07/22/1993 | CA2083426A1 Catalytic element for marine propulsion device |
| 07/21/1993 | EP0551532A1 Heat-resistant expansive member |
| 07/20/1993 | US5229080 Resistance adjusting type heater and catalytic converter |
| 07/20/1993 | US5229079 Catalytic converter for use in automotive exhaust emission control |
| 07/20/1993 | US5229078 Filter for the separation of impurities or contaminants |
| 07/20/1993 | US5228932 Fe-cr-al alloy, catalytic substrate comprising the same and method of preparation |
| 07/20/1993 | US5228892 Exhaust emission control device |
| 07/20/1993 | US5228891 Regenerable diesel exhaust filter |
| 07/20/1993 | US5228287 Exhaust system for internal combustion engine |
| 07/20/1993 | US5228286 Air-fuel ratio control device of engine |
| 07/15/1993 | DE4200552A1 Russfilter fuer verbrennungs-, insbesondere dieselmotoren Soot filter for IC engine, particularly diesel engines |
| 07/15/1993 | DE4200514A1 Removal of nitrogen@ from turbine exhaust gases - by injection of reduction agent broken into transitional substances by exhaust heat energy before injection to catalytic converter |
| 07/14/1993 | EP0550562A1 Trap apparatus with bypass |
| 07/14/1993 | EP0550496A1 Exhaust system for thermal electric stations, in particular gas turbine stations |
| 07/13/1993 | CA1320136C Muffler with drain holes |
| 07/08/1993 | WO1993013848A1 Regenerable diesel exhaust filter |
| 07/08/1993 | WO1993013303A1 A filter unit and a filter body for filtering exhaust gas from diesel engines |
| 07/08/1993 | WO1993012908A1 Method of soldering catalyst supports in catalytic converters |
| 07/08/1993 | WO1993012880A1 Honeycomb construction with an inner structure held in a frame |
| 07/08/1993 | WO1993012867A1 Catalytic filtration device and method |
| 07/08/1993 | WO1993012863A1 Exhaust emission control device in internal combustion engine |
| 07/08/1993 | CA2105482A1 Regenerable diesel exhaust filter |
| 07/07/1993 | EP0549930A1 Gas turbine plant |
| 07/07/1993 | EP0549873A1 Method of making porous ceramic suitable as diesel particulate filters |
| 07/07/1993 | EP0549851A1 Soot filter for diesel engines |
| 07/06/1993 | US5224973 Filter cartridge for trap apparatus |
| 07/06/1993 | US5224346 Engine NOx reduction system |
| 07/06/1993 | US5224335 Exhaust emission control apparatus for internal combustion engine |
| 07/06/1993 | US5224334 Low NOx cogeneration process and system |
| 07/01/1993 | DE4244458A1 Electric pump supplying by=pass air to vehicle catalytic converters - circulates air inside motor case for cooling of motor, and has noise absorbers in air suction port |
| 07/01/1993 | CA2086184A1 Gas turbine arrangement |
| 06/30/1993 | EP0549537A1 Process for the combustion and purification of motor exhaust gases and/or improve the combustion performance, and apparatus for the process realization |
| 06/30/1993 | EP0548287A1 Filter assembly for gas analyser |
| 06/30/1993 | EP0548255A1 PROCESS AND APPARATUS FOR REMOVING NO x? FROM GAS STREAMS. |
| 06/30/1993 | EP0516692A4 Exhaust emission control |
| 06/29/1993 | US5223009 Exhaust gas equipment for an internal combustion engine |
| 06/24/1993 | WO1993012328A1 Silencer, in particular for internal combustion engines |
| 06/24/1993 | WO1993012327A1 Arrangement for purifying exhaust gases, especially from internal combustion engines for motor vehicles |
| 06/24/1993 | WO1993012207A1 Method for reducing particulate emissions from a diesel engine with organometallic platinum group metal coordination composition |
| 06/24/1993 | WO1993012206A1 Method for reducing pollution emissions from a diesel engine with organometallic platinum group metal coordination composition |
| 06/24/1993 | WO1993011934A1 Plated steel sheet |
| 06/24/1993 | WO1993011855A1 Method to purify gases |
| 06/24/1993 | DE4243339A1 Monitoring system for engine exhaust gas purification arrangement - contains fuel-air or oxygen conc. sensors upstream and downstream of catalyser, filter and correlation function system |
| 06/24/1993 | DE4142315A1 Afterburner with sparking- or glow-plug for IC engine silencer - ensures that any combustible fraction of exhaust gas or mixt. is burnt before entering catalytic converter |
| 06/24/1993 | DE4141938A1 Plattiertes stahlblech Plated sheet steel |
| 06/24/1993 | DE4141580A1 Exhaust gas particle filter esp. for diesel exhaust - has at least two filter layers of different ceramics between the clean and crude gas sides, the first filter being coarser than the second, giving high sepn. and low pressure loss |
| 06/24/1993 | DE4141556A1 Heat exchanger for exhaust system in motor vehicle - has casing with exchanger medium tube, with tube ends connected to intake and discharge outside casing |
| 06/24/1993 | CA2126073A1 Method to purify gases |
| 06/24/1993 | CA2123805A1 Method for reducing pollution emissions from a diesel engine with organometallic platinum group metal coordination composition |
| 06/23/1993 | EP0547567A1 Method to control the air-fuel ratio for an internal combustion engine, especially of the piston type |
| 06/23/1993 | EP0547326A2 A device for determining deterioration of a catalytic converter for an engine |
| 06/23/1993 | EP0436533B1 Honeycomb structure, in particular with s-shaped, partially reinforced layers of sheet metal |
| 06/23/1993 | CN2136878Y Exhaust-gas purifier and silencer for internal combustion engine |
| 06/22/1993 | US5221484 Useful for catalyzing gas phase reactions, such as, oxidation of nitrogen oxides, oxidation of sulfur dioxide and organic vapors |
| 06/22/1993 | US5220789 Integral unitary manifold-muffler-catalyst device |
| 06/22/1993 | US5220788 Apparatus for detecting purification factor of catalyst in catalytic converter of internal combustion engine |
| 06/22/1993 | CA2085758A1 Method and apparatus for removing undesirable chemical substances from gases, exhaust gases, vapors, and brines |
| 06/22/1993 | CA1319326C Engine exhaust control system and method |
| 06/17/1993 | DE4242312A1 Exhaust gas emission control device for diesel engine - with filter regeneration by controlled operation of peripheral heating device and heating element at rear end face |
| 06/17/1993 | DE4241100A1 Assembling a catalytic converter - has solder foil in vacuum oven giving high quality join without binding agents |
| 06/17/1993 | DE4234682A1 Outboard motor unit with underwater exhaust - has catalytic converter in pipe between boat engine and exhaust outlet |
| 06/17/1993 | DE4140986A1 Anordnung zur abgasreinigung, insbesondere von brennkraftmaschinen fuer kraftfahrzeuge Arrangement for emission control, especially of internal combustion engine-for motor vehicles |
| 06/17/1993 | CA2085023A1 Secondary air injection valve and mounting system for automotive engine |
| 06/16/1993 | EP0546744A2 Support for a catalytic material |
| 06/16/1993 | EP0546318A1 Method and device for the determination of the conversion efficiency of a catalyst |
| 06/15/1993 | US5219667 Honeycomb structure and method of forming |
| 06/15/1993 | US5218818 Device for controlling a by-pass valve |
| 06/15/1993 | US5218817 Three way conversion catalyst; reduction in oxygen-poor front portion; intermittent pulsations of exhaust draw air into rear portion to accelerate oxidation |
| 06/15/1993 | CA1319141C Exhaust gas purification catalyst |
| 06/09/1993 | DE4214183A1 Exhaust gas treatment for IC (diesel) engine - has reducing catalyst for nitrogen oxide with ammonia addition, and downstream oxidative catalyst |
| 06/09/1993 | CN2135650Y Gas purifier for inner combustion engine |
| 06/08/1993 | US5216882 System for detecting deterioration of HC sensors for internal combustion engines |
| 06/08/1993 | US5216880 Catalytic converter heater control system for internal combustion engine |
| 06/08/1993 | CA1318855C Catalytic converter with screen enclosure holding pellets under tension |
| 06/08/1993 | CA1318854C Scrubber-exhaust gas conditioner |
| 06/03/1993 | DE4207048C1 Double wall exhaust pipe for IC engine - has two types of tube sections, with different profiles, with c-profile sections supported on stop edges of inner wall |
| 06/03/1993 | DE4139600A1 Heating vehicle exhaust catalyser - using burner in exhaust line providing heated gases even on cold starting |
| 06/03/1993 | DE4139291A1 Driving IC engine with exhaust driven turbocharger - intermittently adding extra fuel and/or air upstream of turbine with electrically-heated catalytic firing |
| 06/01/1993 | US5215724 Stacks of porous plates spaced from each other to form channels for radial gas flow; internal combustion engines |
| 06/01/1993 | US5215722 Catalytic converter with electrically resistive catalyst support |
| 06/01/1993 | US5215652 Mixing nonionic metallic platinum group metal complexes with feedstock stream, recycle stream and hydrogen stream, hydrogenation, depositing metal on catalyst |
| 06/01/1993 | US5214915 Method and arrangement for simulating the dynamic performance of an exhaust gas catalyzer |
| 05/27/1993 | WO1993010338A1 Internal combustion engine |
| 05/27/1993 | WO1993010337A1 Operation of an internal combustion engine |
| 05/27/1993 | WO1993009871A1 Method of making metallic catalyst carrier |
| 05/27/1993 | DE4238807A1 IC engine exhaust gas catalyser monitoring system - uses cross-correlation function for signals from oxygen@ sensors inserted in exhaust line before and after catalyser |
| 05/27/1993 | DE4238445A1 Air entry device for IC engine exhaust line with catalyser - uses entry pipe with electrically controlled valve regulating air flow rate to ensure optimum cleaning |
| 05/27/1993 | DE4206248C1 Exhaust manifold for IC engine cylinder bank - has gas guide duct as cylindrical, slit pipe made of rectangular sheet metal blank |