Patents for F01N 3 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust (61,059)
07/1977
07/26/1977US4037406 Apparatus for the predetermined addition of secondary air for the optimum combustion of exhaust gases of internal combustion engines
07/19/1977US4036014 Method of reducing emission of pollutants from multi-cylinder engine
07/12/1977US4035131 Control of the initiation of combustion and control of combustion
07/12/1977US4034626 Control system for limiting engine speed down on automatic transmission shifting at low engine temperature
07/12/1977US4034562 Exhaust reaction apparatus for internal combustion engine having in-line cylinders
07/12/1977US4034561 Exhaust reaction assembly for multi-cylinder internal combustion engine
07/12/1977US4034557 Control of the initiation of combustion and control of combustion
07/05/1977US4033428 Muffler for intermittent blasts of air from pneumatic tools, valves and the like
07/05/1977US4033133 Start up system for hydrogen generator used with an internal combustion engine
07/05/1977US4033125 Air flow control means for automobile engine exhaust gas cleaning means
07/05/1977US4033124 Arrangement for deriving intake negative pressure from an internal-combustion engine
07/05/1977US4033123 Internal combustion engine exhaust gas after-burning system
06/1977
06/28/1977US4032752 Heating elements comprising a ptc ceramic article of a honeycomb structure composed of barium titanate
06/28/1977US4032310 Muffler and exhaust gas purifier for internal combustion engines
06/28/1977US4031867 Internal combustion engine combustion process
06/28/1977US4031699 Port liner assembly
06/14/1977US4028887 Internal combustion engine with improved exhaust port
06/07/1977US4028275 Platinum group metal, organic nitrogen or phosphorus compound
06/07/1977US4027740 Multi-chamber muffler
06/07/1977US4027478 Multiple-cylinder internal combustion engine
06/07/1977US4027476 Composite catalyst bed and method for making the same
05/1977
05/31/1977US4026688 Exhaust vent filter
05/31/1977US4026106 Overheat protection device for a catalytic converter
05/24/1977US4025462 Ceramic cellular structure having high cell density and catalyst layer
05/24/1977US4024707 Apparatus for the control of air admission to the exhaust system of an internal combustion engine including a safety circuit means
05/24/1977US4024706 Method of improving the operational capacity of three-way catalysts
05/17/1977US4023361 Catalyst for controlling poisonous exhaust gas
05/17/1977US4023360 Apparatus for the detoxification of exhaust gases in internal combustion engines
05/17/1977US4023359 Electronically controlled exhaust gas purifying system
05/17/1977US4023358 Internal combustion engine reactor protective control system
05/03/1977US4021372 Catalyst for reducing oxides of nitrogen in the exhaust gas from internal combustion engines and process for making the catalyst
05/03/1977US4021203 Catalytic converter for purifying gases
05/03/1977US4020539 Catalytic reactor for automobile
04/1977
04/26/1977US4019456 Marine wet exhaust system and improvements in powered marine vessel
04/19/1977US4018049 Exhaust manifold reactor assembly
04/19/1977US4018048 Exhaust reaction chamber assembly for internal combustion engine
04/19/1977US4018047 Exhaust reaction apparatus for internal combustion engine having in-line cylinders
04/12/1977US4017347 Corrugation, resin support
04/12/1977US4016846 Intake and exhaust manifold system for internal combustion engine
04/05/1977US4015429 Outboard motor for reducing exhaust gas pollutants
03/1977
03/29/1977US4014169 Anti-afterburn device for engine having air pump
03/22/1977US4013098 Inlet pipe
03/22/1977US4012906 Overheat preventing system for exhaust gas purifier of vehicles
03/22/1977US4012905 Exhaust cleaning system for internal combustion engine
03/15/1977US4011725 Annular piston engine with afterburner and power turbine
03/15/1977US4011651 Fibre masses
03/08/1977US4010724 Apparatus for heating an intake manifold in an internal combustion engine
03/08/1977US4010607 Internal combustion engine with afterburner, venturi cooler and exhaust turbine
03/01/1977US4009986 Air control valve for exhaust gas purifying apparatus
02/1977
02/22/1977US4008697 Internal combustion engine
02/22/1977US4008570 Method and apparatus for purifying exhaust gases
02/15/1977US4007756 Air control apparatus for an engine exhaust gas purification system
02/15/1977US4007590 Fuel injection valve controlled by engine temperature
02/15/1977US4007588 Idling and part-load control of ignition distributor responsive to pressure upstream or downstream of throttle valve
02/15/1977US4007539 Method of clamping a lattice-like ceramic structure body
02/08/1977US4006718 Misfire detection system for an internal combustion engine
02/01/1977US4005576 Internal combustion engine exhaust manifold with cylindrical built-in catalyst container
01/1977
01/25/1977US4004995 Process for removing nitrogen oxides and sulfur dioxide from effluent gases
01/25/1977US4004888 Exhaust gas cleaning arrangement with a resiliently supported monolithic ceramic catalyzer
01/25/1977US4004887 Internal combustion engines
01/25/1977US4004649 Muffler
01/11/1977US4002433 Heat shield for a catalytic emission control device
01/11/1977US4002026 Device for the after-burning of exhaust gases
01/04/1977US4000615 Control installation for the proportioning of a secondary air quantity for improvement of the combustion in internal combustion engines or the afterburning of the exhaust gases of internal combustion engines
12/1976
12/28/1976US3999967 From an internal combustion engine
12/21/1976US3998599 Nitrogen oxides; catalytic converter
12/14/1976US3997415 Process for removing sulfur dioxide and nitrogen oxides from effluent gases
12/14/1976US3996740 Exhaust systems
12/14/1976US3996739 Exhaust gas purifying system
12/07/1976US3996016 For pollution control of combustion engines
12/07/1976US3995423 Safety device for use in an apparatus for cleansing the exhaust gas in an internal combustion engine
12/07/1976US3995356 Valve system
11/1976
11/30/1976US3994364 Mufflers
11/30/1976US3994271 Intake and exhaust manifold system for internal combustion engine
11/30/1976US3994270 Manifold system for an internal combustion engine
11/30/1976US3994131 Vortical flow afterburner device
11/30/1976US3994130 Exhaust manifold assembly with catalytic converter
11/30/1976US3994129 Exhaust gas cleaning device for internal combustion engines
11/23/1976US3993444 Intermittent time controlled vapor dispensing device
11/23/1976US3993037 Spark ignition engine having combustion chamber provided with vent valve
11/23/1976US3993029 Method of operating a compound supercharged rotary piston engine
11/23/1976US3992879 Exhaust gas cleaner
11/23/1976US3992878 Engine secondary air flow control system
11/16/1976US3992330 Aluminum strip with corrugations of ferritic steel
11/16/1976US3992157 Catalytic converter
11/16/1976US3991567 Vortical flow exhaust gas reactor
11/16/1976US3991566 Manifold reactor with auxiliary chamber for secondary afterburning during start-up
11/09/1976US3991254 High temperature insulating structure
11/09/1976US3990859 Exhaust systems for internal combustion engines
11/09/1976US3990856 For treating engine exhaust gases
11/09/1976US3990419 Air cleaner for use with an internal combustion engine
11/09/1976US3990234 Exhaust gas reaction device for multi-cylinder internal combustion engine
11/09/1976US3990233 Reactor for afterburning of unburned constituents in the exhaust of an internal combustion engine
11/02/1976US3989471 Radial flow catalytic converter having thermal expansion compensating means
11/02/1976US3989469 Thermic afterburning and muffling apparatus for internal combustion engines
11/02/1976US3989101 Heat exchanger
11/02/1976US3988890 Overheating protection for an exhaust gas purification block
10/1976
10/26/1976US3988113 Apparatus for treating engine exhaust gases
10/26/1976US3987867 Spark arresting muffler for engines
10/19/1976US3986840 Reactor assembly for reducing automotive pollutant emissions