| Patents for F01N 13 - Exhaust or silencing apparatus characterised by constructional features (23,537) |
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| 05/19/1993 | DE4236893A1 Exhaust gas system for internal combustion engines - has exhaust pipes leading from cylinder head exhaust duct and catalytic converter arrangement |
| 05/19/1993 | DE4212505C1 Double wall pipe providing intermediate chamber for lambda sensor support - is insulated to prevent loss of heat from exhaust gas of motor vehicle so that catalyser can be effective from cold start |
| 05/19/1993 | DE4137738A1 Practice filter for internal combustion engine - minimising pressure losses and reducing thermal loads |
| 05/19/1993 | DE4137706A1 Sound absorbing heat insulation - is for motor vehicles and has solid insulation filled into cavities |
| 05/18/1993 | US5211013 Internal combustion engine |
| 05/18/1993 | US5211012 Catalytic converter housing, particularly for starting catalytic converters, and associated catalyst carrier body |
| 05/18/1993 | CA1317885C Apparatus for treating particulate emission from diesel engine |
| 05/18/1993 | CA1317834C Exhaust control device of engine |
| 05/13/1993 | DE4136799A1 Lamellar ring seal for exhaust pipe joint - has wave contour spring ring supporting lamellar single seal ring |
| 05/12/1993 | EP0541293A1 A valve |
| 05/12/1993 | EP0540891A1 Exhaust installation for a motor vehicle reciprocating engine |
| 05/12/1993 | CN2132838Y Automotive adjustable muffle |
| 05/06/1993 | DE4217632A1 Exhaust gas system for IC engine - uses two tail pipes of different lengths with common inflow region |
| 05/06/1993 | DE4136304A1 Encapsulated piston engine - has protective tube round exhaust pipe where it passes out of housing with insulating material attached to tube and housing |
| 05/05/1993 | EP0540280A1 Nitrogen oxides decreasing apparatus for internal combustion engine |
| 05/04/1993 | US5208429 Combination muffler and check valve for a screw compressor |
| 05/04/1993 | US5208205 Catalyst system for converting emissions of a lean-burn engine |
| 05/04/1993 | US5207057 Air-fuel ratio control device for an engine |
| 04/29/1993 | WO1993008383A1 Exhaust and purification device for internal combustion engine |
| 04/27/1993 | US5206467 Muffler with a catalyst |
| 04/27/1993 | CA1316841C Particulate trap exhaust muffler |
| 04/21/1993 | EP0537942A1 Method of treating the emissions of a lean-burn engine |
| 04/21/1993 | EP0537603A1 Double-walled air-insulated pipe for exhaust installations in vehicles |
| 04/21/1993 | EP0407559B1 Recirculatory system |
| 04/20/1993 | US5203593 Flexible exhaust coupling with gasket crush reducing resilient members |
| 04/20/1993 | US5203576 Clip for a gasket |
| 04/20/1993 | US5203167 Marine propulsion device internal combustion engine and method for making the same |
| 04/20/1993 | US5203166 Method and apparatus for treating diesel exhaust gas to remove fine particulate matter |
| 04/15/1993 | WO1993007366A1 Device for reducing the level of pollutants in exhaust emissions, in particular vehicle exhaust emissions |
| 04/15/1993 | WO1993007365A1 Catalytic converter |
| 04/15/1993 | WO1993007053A1 Underwater exhaust device for the internal combustion engine of a vessel |
| 04/15/1993 | DE4218523C1 Catalyst appts. allowing easy operation of temp. - includes main exhaust gas line, thin by=pass line, exhaust gas line and control unit |
| 04/15/1993 | CA2120759A1 Catalytic converter |
| 04/13/1993 | US5201790 Fuel control apparatus of an engine |
| 04/09/1993 | CA2080116A1 Automotive exhaust system |
| 04/08/1993 | CA2079123A1 Catalyst system for converting emissions of a lean-burn engine |
| 04/06/1993 | US5199389 Work apparatus having an air-cooled internal combustion engine |
| 04/06/1993 | US5199258 Adjustable torque/horsepower exhaust control system |
| 04/06/1993 | CA2014165C Catalytic converter front flange and method of making same |
| 04/06/1993 | CA1315668C Filter-device and a filter-appliance from such filter-device |
| 04/04/1993 | WO1993007363A1 Device for purifying exhaust of internal combustion engine |
| 04/01/1993 | WO1993006347A1 Catalytic reactor and method of controlling emissions |
| 04/01/1993 | WO1993006346A1 Improved exhaust treatment system |
| 04/01/1993 | WO1993006059A1 Process for producing porous, through-flowable mouldings made of silicium carbide and diesel soot filtering element |
| 04/01/1993 | WO1993005862A1 Self-heating filter |
| 04/01/1993 | DE4231575A1 IC engine control with cold start projection for exhaust catalyser - uses secondary catalyser between main catalyser and engine to burn excess fuel during warm=up period. |
| 04/01/1993 | CA2119025A1 Process for producing porous, through-flowable mouldings made of silicium carbide and diesel soot filtering element |
| 03/31/1993 | CN1070352A Catalytic reduction of NOx using methane in presence of oxygen |
| 03/30/1993 | US5198626 Heat protective, sound permeable lining |
| 03/30/1993 | US5198625 Exhaust muffler for internal combustion engines |
| 03/24/1993 | EP0533460A1 Exhaust gas purification apparatus for an internal combustion engine |
| 03/23/1993 | US5196655 Muffler for marine engine |
| 03/23/1993 | US5196253 Automobiles |
| 03/23/1993 | US5195607 Exhaust system for automotive engine |
| 03/18/1993 | WO1993005388A1 Antenna system for soot detecting apparatus |
| 03/18/1993 | WO1993005286A1 Method and system for cooling of an internal combustion engine |
| 03/18/1993 | DE4237232A1 Shock and vibration damper for exhaust system - consists of exhaust gas non-permeable part between system and engine |
| 03/18/1993 | DE4228267A1 Catalytic converter assembly for automotive gases - comprises inner mantle surrounding ribbed, flat, thin metal sheets as substrate, giving improved warm-up period efficiency |
| 03/18/1993 | DE4130630A1 Verfahren zur herstellung poroeser, durchstroembarer formkoerper aus siliciumcarbid und dieselruss-filterelement Process for the preparation of porous, flowed through formkoerper from siliciumcarbid and diesel soot-filter element |
| 03/18/1993 | CA2117078A1 Antenna system for soot detecting apparatus |
| 03/17/1993 | EP0531693A2 Exhaust system of an internal combustion engine |
| 03/16/1993 | US5193778 Suspension arrangement for exhaust installations |
| 03/16/1993 | CA1314487C Method of and apparatus for reducing engine and smoke emissions |
| 03/11/1993 | DE4228384A1 Automotive catalytic converter, preventing emission of pulse-generated noises - has heat conducting circumferential corrugated inner sleeve at outlet of mantle rim |
| 03/11/1993 | DE4129389A1 Pivoted vertical exhaust tube for agricultural motor vehicle - consists of two sections, connected by joint above engine bonnet |
| 03/10/1993 | EP0531193A1 Elastic supporting device with non-linear elastic characteristics |
| 03/10/1993 | EP0530892A2 Silencer device for internal combustion engines |
| 03/10/1993 | EP0530604A2 Heat-resistant, ferritic cast steel, and exhaust equipment member made thereof |
| 03/09/1993 | US5191763 Device for controlling heating of catalyzer for purifying exhaust gas |
| 03/04/1993 | WO1993004270A1 Hollow pivotable coupling |
| 03/03/1993 | EP0530017A2 Combination muffler and catalytic converter |
| 03/03/1993 | EP0529250A1 Elastic suspension for the exhaust device of a motor vehicle |
| 03/02/1993 | US5189879 Exhaust gas line for an internal-combustion engine and its method of manufacture |
| 03/02/1993 | US5189790 Method of fabricating a double walled pipe elbow |
| 02/25/1993 | DE4127634A1 Exhaust gas system for IC engine with catalytic converter - has tube conducting cooling air which forms suction pump at tail pipe |
| 02/25/1993 | DE4127633A1 Multicylinder IC engine with catalytic converter - arrangement of one exhaust pipe inside another upstream of converter to conserve heat |
| 02/17/1993 | EP0527413A1 Wrapped flexible metal tube |
| 02/16/1993 | US5187334 Acoustic muffler with one-piece housing |
| 02/16/1993 | US5185998 Catalytic converter accessory apparatus |
| 02/11/1993 | DE4125436C1 Propeller with detachable blades - has feet on blades bolting onto depressions in hub and includes streamline sleeve for hub |
| 02/10/1993 | EP0526673A1 Exhaust muffler |
| 02/09/1993 | US5184464 Noise and emmission control apparatus |
| 02/04/1993 | DE4125680A1 Suspension bracket for vehicle exhaust system - uses ring-shaped elastic support with plug-in connections |
| 02/03/1993 | EP0525701A1 Catalytic reduction of NOx using methane in the presence of oxygen |
| 02/03/1993 | EP0525668A1 Vehicle internal combustion engine exhaust system |
| 02/03/1993 | EP0525566A1 A method and apparatus for determining the clogging of a filter, in particular a filter for an exhaust system |
| 02/03/1993 | EP0525485A1 Coupling between exhaust conduit and outlet pipe |
| 02/03/1993 | EP0409924B1 Exhaust manifold for a multi-cylinder reciprocating internal combustion engine |
| 02/02/1993 | US5183977 Muffler assembly of internal combustion engine |
| 02/02/1993 | US5183976 A muffler |
| 02/02/1993 | US5183130 Muffler device for motorcycle |
| 02/02/1993 | CA2074687A1 Catalytic reduction of nox using methane in the presence of oxygen |
| 01/21/1993 | CA2074117A1 Device for connecting a tailpipe to an exhaust pipe |
| 01/20/1993 | EP0523970A1 Vibration isolating sealing clamp for conduit structures |
| 01/20/1993 | EP0523554A1 Silencer |
| 01/20/1993 | EP0523360A1 Y-pipe and method for making the same |
| 01/19/1993 | US5180567 Exhaust gas treating method |
| 01/19/1993 | US5180408 Device for treating the exhaust gases of internal combustin engines with two exhaust gas treatment bodies arranged at spaced locations |
| 01/19/1993 | US5179838 Apparatus for driving turbo supercharger |
| 01/13/1993 | EP0523008A1 Method of manufacturing a silencer or a catalytic converter for exhaust gases |