Patents
Sitemap › F01 - Machines or engines in general; Engine plants in general; Steam engines › F01N - Gas-flow silencers or exhaust apparatus for machines or engines in general; Gas-flow silencers or exhaust apparatus for internal-combustion engines › F01N 3 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
Patents for F01N 3 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust (61,059)
09/1981
09/08/1981US4287716 Exhaust gas system for internal combustion engines
09/01/1981US4287097 Carrier matrix for catalysts and a process for the production of same
09/01/1981US4286976 Combined sound damper and oil trap for a compressed air apparatus
09/01/1981US4286675 Narrow profile power handle for line trimmer and the like
09/01/1981CA1108059A1 Device for holding a granular catalyst
08/1981
08/26/1981EP0034179A1 Device for catalytically purifying exhaust gases from a combustion engine and method for its manufacture.
08/25/1981US4285916 Accelerating particles for ejection through aperatures in an open contour donut-shaped purification element; catalytic conversion of waste gases; muffling
08/25/1981US4285909 Catalyst assembly for cleaning an exhaust gas
08/25/1981US4285838 Method of producing plate-shaped catalyst unit for NOx reduction of exhaust gas
08/25/1981US4285304 Internal combustion engine
08/25/1981CA1107655A1 Device for removing lead particles from the exhaust gases of an internal combustion engine
08/25/1981CA1107654A1 Device for separating lead particles from the exhaust gases of an internal combustion engine
08/25/1981CA1107653A1 Two-stage catalysis of engine exhaust
08/25/1981CA1107652A1 Device for the agglomeration of lead particles present in the exhaust gases of an internal combustion engine
08/11/1981US4283368 Radial flow catalytic converter
08/11/1981US4283210 Ceramic honeycomb filter and a method of producing the same
08/11/1981US4283207 Diesel exhaust filter-incinerator
08/04/1981US4282186 Cartridge for purifying exhaust gas
08/04/1981US4282017 Exhaust gas purifier, water
08/04/1981US4281512 Apparatus for reducing non-gaseous pollutants
07/1981
07/28/1981US4280926 Method for producing a catalyst and a carrier therefor
07/28/1981US4280532 Control unit and method of making the same
07/28/1981CA1105839A1 Converter structure
07/21/1981US4279864 Monolithic catalyst converter
07/14/1981US4278717 Heat resistant cushion
07/14/1981US4278639 Catalytic converter for purifying gases
07/14/1981US4277941 Device for the reduction of the emission of pollutant gases produced by internal combustion, spark-ignition, engines for motor vehicles
07/07/1981US4277442 Catalytic exhaust cleaner
07/07/1981US4276746 Compound valve device
07/07/1981US4276745 Exhaust gas control apparatus
07/07/1981CA1104502A1 Center air manifold for catalytic converter
06/1981
06/30/1981US4276331 Thermal insulation
06/30/1981US4276071 Ceramic filters for diesel exhaust particulates
06/30/1981US4276066 Monolith diesel exhaust filter with self-regeneration
06/30/1981CA1104111A1 Catalyst supports
06/30/1981CA1104060A1 Anti-air pollution system for exhaust gas
06/23/1981US4274373 Combined split engine and closed loop mixture control operation with enriched fuel during partial cylinder mode
06/16/1981US4273681 Alternating layers of coated and/or corrugated steel panels
06/16/1981US4273080 Exhaust gas conduit system for multi-cylinder reciprocating piston internal combustion engines
06/16/1981US4272958 Anti-pollution treating device
06/10/1981EP0030123A1 Intumescent sheet material
06/09/1981US4272668 Small round air stream heating unit
06/09/1981US4271667 Apparatus for controlling the amount of secondary air fed into an internal combustion engine
06/09/1981CA1102707A1 Apparatus for catalytic purifying the effluent gases of internal combustion engines
06/09/1981CA1102706A1 Monolithic metal catalyst for the detoxication of the exhaust gases of internal combustion engines
06/03/1981EP0029438A1 Method and apparatus for reducing particles discharged by combustion means
06/02/1981US4271044 Carrier matrix for catalysts and process for its production
06/02/1981US4270936 Coiled fibrous metallic material and coating for diesel exhaust particulate trap
06/02/1981US4270347 Catalytic exhaust system
05/1981
05/27/1981EP0029033A1 Process for purifying the exhaust gases of a combustion engine driving a heat pump and purifying device for carrying out such process
05/26/1981US4269807 A band of heat-resistant intumescent material containing ceramic fibers within the wire mesh support
05/26/1981US4269029 Internal combustion engine with exhaust emission control system
05/26/1981US4269028 Secondary air supply system for the exhaust system of an internal combustion engine
05/26/1981CA1101638A1 Process
05/14/1981WO1981001250A1 Catalytic converter for ozone removal in aircraft
05/05/1981US4265332 Heat extracting muffler system
05/05/1981CA1100409A1 Exhaust cooling systems for recreational vehicles
05/05/1981CA1100287A1 Dual catalyst nitric oxide reduction
04/1981
04/28/1981US4264660 For internal compustion engine exhaust systems
04/28/1981US4264561 Double shelled housing
04/28/1981US4264346 Diesel exhaust particulate traps
04/28/1981US4264344 Diesel engine exhaust particulate trap
04/28/1981US4263944 Method and apparatus for emptying catalyst particles from catalytic converter
04/28/1981US4263783 Exhaust gas purification system for an internal combustion engine
04/28/1981US4263782 Combined split engine and feedback controlled engine operations
04/14/1981US4261170 Exhaust-gas purifier
04/14/1981US4261169 Method for converting thermal energy into mechanical energy and a machine for carrying out said method
04/08/1981EP0026172A1 Process for the purification of a diesel engine exhaust gas and for the utilization of its heat, engine used for driving a heat pump heating device
04/02/1981WO1981000880A1 A method and a device for optimizing purification of diesel exhaust gases
03/1981
03/31/1981CA1098449A1 Exhaust muffler
03/31/1981CA1098288A1 Catalytic reactor for isothermal reactions
03/25/1981EP0025752A1 Device for inserting a sensor in the exhaust conduits of an internal-combustion engine, and a control system for metering the fuel mixture using such a device
03/24/1981US4257372 Internal combustion engine exhaust passage structure
03/24/1981US4257228 By-pass valve
03/24/1981US4257227 Secondary air controlling apparatus for internal combustion engines
03/24/1981US4257226 By-pass valve
03/24/1981US4257225 Exhaust gas treatment to reduce particulated solids
03/19/1981WO1981000738A1 Device for catalytically purifying exhaust gases from a combustion engine
03/17/1981US4256700 Catalytic converter with air tube
03/17/1981US4256074 Control system for closed loop mixture correction and split engine operation
03/10/1981US4255173 Alumina-coated steel wool
03/10/1981US4254938 Suction pressure responsive valve device
03/03/1981US4254085 Catalytic converter with dual catalyst pellet beds and reinforced plenum therebetween
03/03/1981US4253992 Ceramic honeycomb composite structure, catalyst supported thereby and method of producing the same
03/03/1981US4253925 Method and apparatus for catalytic dissociation of NO
03/03/1981US4253302 Exhaust gas purifying device for internal combustion engine
02/1981
02/24/1981US4252098 Air/fuel ratio control for an internal combustion engine using an exhaust gas sensor
02/24/1981US4252000 Apparatus and process for cooling and muffling industrial equipment
02/17/1981US4251487 Device for holding a granular catalyst
02/17/1981US4251239 Multi-purpose ceramic element
02/17/1981US4250707 Exhaust emission control system for internal combustion engines
02/17/1981US4250706 Apparatus for controlling the amount of secondary air fed into an internal combustion engine
02/10/1981US4250146 Caseless monolithic catalytic converter
02/10/1981CA1095428A1 Device for holding a granular catalyst
02/10/1981CA1095349A1 Method for reducing co and hc emissions
02/05/1981WO1981000277A1 Process for purifying the exhaust gases of a combustion engine and purifying device for carrying out such process
02/03/1981US4248833 Exhaust gas purifier system for internal combustion engine
01/1981
01/27/1981US4247520 Exhaust muffler with catalyst
01/27/1981US4246752 Turbocharged engine control
01/20/1981US4245472 Secondary air supply control apparatus for internal combustion engine
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