Patents for F01N 3 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust (61,059)
10/1994
10/13/1994CA2159892A1 A method for closing a passage in a filter body sample
10/13/1994CA2159488A1 Catalytic vessel for receiving metal catalysts by deposition from the gas phase
10/12/1994EP0619692A2 Heating temperature control in high frequency induction heating
10/12/1994EP0619422A2 Air/fuel ratio feedback control system for an internal combustion engine
10/12/1994EP0619420A1 An air/fuel control system providing monitoring of activity of a catalytic converter
10/12/1994EP0618842A1 Honeycomb construction with an inner structure held by a support structure
10/12/1994CN2179465Y 汽车尾气净化消声器 Automobile Exhaust muffler
10/12/1994CN2179464Y Silencing dust remover
10/11/1994US5353591 Exhaust heating control
10/11/1994US5353590 Exhaust heating control
10/06/1994DE4410974A1 Honeycomb structure body
10/06/1994DE4410820A1 Secondary air feed unit for an internal combustion engine and gas heating unit for the former
10/06/1994DE4339611A1 Device for removing dust from exhaust gases
10/06/1994DE4338017A1 Device for removing dust from exhaust gases
10/06/1994DE4310933A1 Exhaust gas catalyst, in particular for internal combustion engines
10/06/1994DE4310926A1 Device and method for the reduction of pollutant emissions in the exhaust gas
10/05/1994EP0618353A1 Heater unit
10/05/1994EP0618283A1 Poisoning-preventive gasoline composition
10/05/1994EP0617650A1 Method of soldering catalyst supports in catalytic converters.
10/05/1994EP0581790B1 Device for the catalytic decontamination of exhaust gases
10/05/1994CN2178785Y Secondary air guide and cutting device for engine
10/04/1994US5352337 Efficient catalytic reduction in oxidizing atmosphere using hydrogen from electrolysis of water vapor as reducing agent, for exhaust systems of internal combustion engines
10/04/1994US5351483 Integral unitary manifold-muffler-catalyst device
10/04/1994US5351482 Reducing hydrocarbon emission by injecting a chlorine gas or a chloride compound
09/1994
09/29/1994WO1994021902A1 Process and device for monitoring the operation of a catalytic converter
09/29/1994WO1994021901A1 Process for checking the conversion capability of a catalyst
09/29/1994WO1994021900A1 A flue gas filter comprising a heating element positioned in the axial interstice between two filter segments
09/29/1994DE4417238A1 Device for reducing the amount of nitrogen oxides in the exhaust from a lean-burn internal-combustion engine
09/29/1994DE4417237A1 Heavy goods vehicle
09/29/1994DE4410353A1 Process for producing a catalyst for particle removal in the exhaust gas of diesel motor vehicles and a process for particle removal using the catalyst
09/29/1994DE4309854A1 Method and device for controlling the secondary air feed for an internal combustion engine
09/29/1994DE4244511A1 Filter device for purifying waste gases
09/28/1994EP0617199A1 Catalytic converter for reducing nitrogen oxide content in exhaust gases of an internal combustion engine
09/28/1994EP0616833A1 Soot filter for diesel engines
09/28/1994EP0397759B1 Method for improving combustion in combustion engines
09/27/1994US5349817 Air gap manifold port flange connection
09/27/1994US5349816 Exhaust emission control system
09/27/1994CA2003737C Side channel blower
09/22/1994DE4408763A1 Exhaust emission control device for an internal combustion engine
09/22/1994DE4408648A1 Test method for a secondary air feed of an exhaust system
09/22/1994DE4407002A1 Catalytic converter heating device for internal combustion engines with a burner system
09/22/1994DE4308180A1 Method for the heating of an exhaust catalytic converter in motor vehicles
09/22/1994DE4308179A1 Method for electrically heating an exhaust gas catalytic converter in motor vehicles
09/21/1994EP0616115A1 Exhaust gas purifying apparatus and method for internal combustion engine
09/21/1994EP0615777A1 Process and device for selective catalytic NOx reduction in oxygen containing exhaust gases
09/21/1994CN1092512A Lining cable for pipe lining
09/20/1994US5348562 Exhaust gas scrubber and filter assembly
09/20/1994US5347809 Apparatus and method for removing particulate from an exhaust gas filter
09/15/1994WO1994020743A1 Method of enhancing combustion in an internal-combustion engine and a device for carrying out the method
09/15/1994WO1994020738A1 Method of determining the efficiency of a catalytic converter
09/15/1994WO1994020737A1 Heated catalytic converter efficiency monitoring method
09/15/1994WO1994020736A1 Apparatus and method for removing particulate from an exhaust gas filter
09/15/1994WO1994020205A1 Method and system for steam-reforming of liquid or slurry feed materials
09/15/1994DE4406007A1 Catalyst for exhaust gas purification
09/15/1994DE4404449A1 Diagnostic device for a catalytic converter of an internal combustion engine
09/15/1994DE4316333C1 Exhaust line
09/15/1994DE4307525A1 Method and device for the treatment of exhaust gases from an internal combustion engine
09/15/1994DE4307431A1 Electrically heatable honeycomb body, subdivided into subregions and having additional electric conductor elements
09/13/1994US5346675 Exhaust gas cleaning apparatus
09/13/1994US5346417 Exhaust gas cleaning device for outboard motor
09/13/1994US5346416 Exhaust system for outboard motor
09/13/1994US5346389 Combustion apparatus for high-temperature environment
09/13/1994US5345967 Secondary air control and check valves
09/13/1994US5345763 Secondary air control system for internal combustion engine
09/13/1994US5345762 Exhaust gas conduit of an internal combustion engine with a starting catalyser arranged near the engine
09/13/1994US5345761 Energy management system for hybrid vehicle
09/08/1994DE4306905A1 Method for promoting combustion in an internal combustion engine and device for carrying out the method
09/08/1994DE4306904A1 Method and device for improving the combustion in an internal combustion engine
09/08/1994DE4243079A1 Honeycomb and manufacturing process for a honeycomb
09/07/1994EP0613997A1 Catalyst carrier body in exhaust gas cleaning system and manufacturing method of the carrier body
09/07/1994CN2176437Y Power engine muffler with fire-proof and carbon collecting function
09/06/1994US5343702 Zeolite converter for diesel engine
09/01/1994DE4402577A1 Soot filter for motor vehicles
08/1994
08/31/1994EP0612372A1 Method of removing electrically conducting particles from a stream of gas, and device for carrying out the method
08/30/1994US5342783 Method for detecting a reaction zone in a catalytic converter
08/30/1994US5342599 Bonding to substrate for storage stability
08/30/1994US5342591 Catalytic method
08/30/1994US5342588 Meter support matrix for a catalytic reactor
08/30/1994US5341643 Feedback control system
08/30/1994US5341642 System for diagnosing engine exhaust gas purifying device and system for diagnosing sensor
08/25/1994DE4403498A1 Honeycomb-like body
08/25/1994DE4325503C1 Partial load operating method for a mixture-compressing internal combustion engine with applied ignition, especially on vehicles
08/24/1994EP0611877A1 Catalytic exhaust gas purification device
08/24/1994EP0611594A1 Catalyst for converting reactants in a gas mixture
08/24/1994EP0611415A1 Method for monitoring the efficiency of a catalytic converter for treating exhaust gases from an internal combustion engine.
08/23/1994US5340415 Ferritic stainless steel plates and foils and method for their production
08/23/1994US5340020 Method and apparatus for generating heat by flameless combustion of a fuel in a gas flow
08/23/1994US5339630 Exhaust burner catalyst preheater
08/23/1994US5339629 External catalytic converter for small internal combustion engines
08/23/1994US5339628 Method for monitoring the catalytic activity of a catalytic converter in the exhaust gas system of an internal combustion engine
08/18/1994WO1994018442A1 Electrically insulated gastight feed-through for at least one electrical conductor through a metal casing
08/18/1994WO1994018441A1 Metallic honeycomb structure supported in an inner and an outer casing tube, especially a catalyst support
08/18/1994WO1994018440A1 Device for the catalytic purification of flowing gases, especially exhaust gases of internal combustion engines
08/18/1994WO1994018439A1 Electrically heatable honeycomb structure with its resistance increased by slots
08/18/1994WO1994017911A1 Metallic honeycomb for use as catalyst and process for producing the same
08/18/1994DE4402850A1 System for monitoring and controlling internal combustion engines and their exhaust gas emissions, using gas sensors
08/18/1994DE4304144A1 Exhaust gas converter device for an internal combustion engine
08/18/1994CA2115723A1 Catalytic converter for converting reactants of a gas mixture
08/17/1994EP0610736A1 Device for reducing the harmful emissions of motor vehicles
08/16/1994US5338903 Combination muffler and catalytic converter