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)
01/1981
01/20/1981US4245471 Stoichiometric and enrichment mixture control during different split engine modes
01/20/1981US4245466 Delta electromagnetic control valve
01/13/1981US4244187 Vehicle engine with turbine bypass for exhaust treatment device warm-up
01/07/1981EP0020766A1 Exhaust gas cleaning system for diesel engines
01/06/1981US4242866 By-pass valve
01/06/1981CA1092984A1 Spark arrester and engine muffler
12/1980
12/30/1980US4241873 Temperature responsive valve device
12/30/1980CA1092514A1 Device for the removal of particles of lead from the exhaust gases of an internal combustion engine
12/30/1980CA1092486A1 Power mode air switching diverter valve
12/23/1980US4240890 Providing for efficient combustion of fuels
12/23/1980US4240254 Exhaust gas purifying apparatus for multicylinder internal combustion engines
12/23/1980US4240253 Engine system for motor vehicle
12/16/1980US4239834 Metal substrate formation with torx recess mandrel
12/16/1980US4239733 Internal combustion engines
12/16/1980CA1091788A1 Exhaust gas reaction control system
12/16/1980CA1091511A1 Engine exhaust means for motor propelled boats
12/11/1980WO1980002726A1 Exhaust device for internal combustion engines combined with a heat pump
12/10/1980EP0019680A1 Exhaust gases and fumes humidifier
12/10/1980EP0019635A1 Exhaust gas cleaning system for a diesel engine installed in a building
12/09/1980US4238460 Waste gas purification systems and methods
12/09/1980US4238456 Catalytic converter with uniform air distribution and mixing with the exhaust gases
12/09/1980US4238454 Catalytic converter having a pair of catalyst pellet beds with a plenum and air tube therebetween
12/02/1980US4237099 Catalytic converter with dual catalyst pellet beds and plenum therebetween
12/02/1980US4237098 Catalytic converter with housing-bed-plenum reinforcing and spacing means
12/02/1980US4236901 Air cleaner with secondary air filter element
12/02/1980CA1090778A1 Exhaust gas heat exchanger
11/1980
11/27/1980WO1980002583A1 Method and apparatus for reducing particles discharged by combustion means
11/25/1980US4235846 Converter for exhaust gas with removable insert housings having monolithic catalyst therein
11/25/1980US4235845 Anti-air pollution system for exhaust gas
11/25/1980US4235843 Automobiles
11/25/1980US4235207 Internal combustion engine
11/25/1980US4235076 Vehicle engine having turbocharger bypass with boost control and converter warm-up functions
11/25/1980CA1090421A1 Oxygen partial pressure measuring device suitably adapted for internal combustion engine exhaust gases
11/18/1980US4234325 Silencer-separator with internal trap for liquid seal blowers or the like
11/18/1980US4233812 Gas discharge apparatus
11/18/1980US4233811 Exhaust gas reaction control system
11/18/1980CA1089769A1 Apparatus for the catalytic purification of exhaust gases of internal combustion engines
11/11/1980US4233351 Ceramic honeycomb structure
11/11/1980US4232517 Exhaust gas control actuator
11/11/1980CA1089305A1 Engine emission control system
11/04/1980US4231763 Exhaust gas pollution control system
11/04/1980US4231221 Exhaust silencer for exhaust systems of internal combustion engines, particularly internal combustion engine-operated manual appliances
11/04/1980US4231220 Secondary air control system for an internal combustion engine
10/1980
10/16/1980WO1980002178A1 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
09/1980
09/30/1980US4225634 Method for manufacturing gas composition detector
09/30/1980US4225561 Catalytic converter for transforming polluting gases into non-polluting gases
09/30/1980US4224911 Apparatus for controlling the amount of secondary air fed into an internal combustion engine
09/30/1980US4224792 Internal combustion engine equipped with an improved air injection system
09/23/1980US4224285 Exhaust system, alumina-coated stainless steel wool
09/23/1980US4223701 Control unit and method of making the same
09/23/1980CA1086161A1 Method for reducing pollution due to an internal combustion engine
09/16/1980US4222237 Air-fuel ratio detector
09/16/1980US4222236 Method for reducing CO and HC emissions
09/16/1980CA1085690A1 Internal combustion engine
09/09/1980US4221843 Construction of elliptical metal substrates
09/02/1980US4220625 Exhaust gas control equipment
08/1980
08/26/1980US4219250 Integrated control device
08/26/1980US4218880 Spark-ignition internal combustion engine
08/26/1980CA1084353A1 Process of alumina deposition on a substrate
08/19/1980US4218422 Converter structure
08/19/1980US4218228 Exhaust gas purifying device
08/19/1980US4217757 Exhaust gas recycling system
08/12/1980US4216653 Exhaust gas purifying system for internal combustion engines
08/12/1980CA1083485A1 Device for the purification of exhaust gases
08/12/1980CA1083448A1 Engine system for motor vehicle
08/05/1980US4215742 Exhaust coolers
08/05/1980US4215542 Exhaust gas purifying apparatus for automobile multi-cylinder engine
08/05/1980US4215541 Dual-catalyst exhaust gas purifying apparatus for multi-cylinder engine
08/05/1980US4215540 Exhaust gas purifying apparatus for automobile multi-cylinder engine
08/05/1980US4215539 Exhaust gas purifying apparatus for automobile multi-cylinder engine
08/05/1980US4215538 Internal combustion engine having an afterburning device
07/1980
07/29/1980US4215093 Catalytic converter
07/29/1980US4214443 Marine engine manifold
07/22/1980US4213414 Engine exhaust means for motor propelled boats
07/22/1980CA1081916A1 Monolithic-supported catalyst or groups of monolithic- supported catalysts for the purification of waste gases of internal combustion engines
07/15/1980US4212657 Metal filler trap, deflecting louvers
07/15/1980CA1081565A1 Watercooled exhaust manifold and method of making same
07/15/1980CA1081562A1 Throttled input catalyst system
07/08/1980US4211075 Diesel engine exhaust particulate filter with intake throttling incineration control
07/08/1980US4211074 Secondary air supply system for the exhaust system of an internal combustion engine
07/01/1980US4209981 Method and an apparatus to control the temperature of an engine exhaust gas purifying device
06/1980
06/24/1980US4209495 Catalytic converter system for an internal combustion engine
06/24/1980US4209494 Catalytic converter for purifying exhaust gases of internal combustion engines
06/24/1980US4209493 Combination catalytic converter and muffler for an exhaust system
06/17/1980US4208386 Urea reduction of NOx in combustion effluents
06/17/1980US4208374 Catalytic converter
06/17/1980US4207738 Exhaust gas purifying system for multi-cylinder internal combustion engine
06/17/1980US4207737 Apparatus for controlling the amount of secondary air injection
06/17/1980US4207661 Method of fabricating a catalyst converter for cleaning exhausts of cars
06/10/1980US4206599 Internal combustion engine
06/10/1980CA1079206A1 Air cleaner with secondary air filter element
06/03/1980US4206179 Apparatus for purifying exhaust gases of internal combustion engines
06/03/1980US4206178 Catalytic, zig-zag gas flow
06/03/1980US4206177 Exhaust silencer including a catalyst
06/03/1980US4205971 Soot filter in the exhaust gas flow of air-compressing internal combustion engines
06/03/1980US4205526 Emission control system and method for internal combustion engine
06/03/1980CA1078584A2 Exhaust gas reduction and catalysts and method of making same
05/1980
05/27/1980US4205118 Automobile catalytic exhaust systems
05/27/1980CA1078262A1 Vibration absorbed engine exhaust means for motor propelled boats
05/20/1980US4203949 Catalyst converter for cleaning exhausts of cars
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