Patents for F01N 3 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust (61,059)
01/1992
01/02/1992EP0463270A1 Improvements in exhaust pipes of vehicles
01/02/1992DE4020867C1 IC-engine exhaust housing - has exhaust guides sited between cleaner and housing wall
01/02/1992DE4020383A1 Verfahren zum schutz von katalysatoren fuer die abgasreinigung sowie waermetoenungssensor zur durchfuehrung des verfahrens Method for protection of the catalysts for emission control and waermetoenungssensor for performing the method
01/02/1992DE4012458A1 Exhaust scrubber for IC engine of motor vehicle - has electrodes spaced by ceramics to form spark gaps
01/01/1992CN2091954U Exhaust purifier for two-stroke motorcycle
12/1991
12/31/1991US5076237 Means and method for measuring and controlling smoke from an internal combustion engine
12/31/1991US5076055 Recirculatory system
12/29/1991CA2024387A1 Exhaust pipes of vehicles
12/26/1991WO1991019867A1 Improved compact vacuum insulation
12/25/1991CN2091357U Automobile waste gas purification dissipative muffler
12/24/1991US5075274 Exhaust gas cleaner
12/24/1991US5074112 Filter
12/24/1991CA1293363C Process and apparatus for making catalyst case
12/19/1991DE4016261A1 Exhaust gas scrubber for motor vehicle IC engine - has afterburner with discharge electrodes triggered in sequence
12/19/1991DE4014153A1 Microwave cleaning of ceramic filter element - esp. of diesel exhaust gas filter to remove soot particles
12/18/1991EP0461452A1 Metal foil catalyst support
12/18/1991CN2090875U Device for extinguishing sparks in internal combustion engine
12/17/1991US5073432 Honeycomb structure and method of producing the same
12/17/1991US5073353 Catalytic converter front flange and method of making same
12/14/1991WO1991019888A1 Automobile catalytic-converter rejuvenation by oxidation
12/14/1991CA2064843A1 Automobile catalytic converter rejuvenation by oxidation
12/12/1991WO1991019082A1 Catalytic converters
12/12/1991WO1991019081A1 Catalytic converters
12/12/1991DE4027040C1 Non-catalytic removal of nitric oxide from waste gases - by injecting reducing agent into gases via nozzles
12/12/1991DE4000996A1 Unsupercharged IC engine - has individual exhaust pipes connected to exhaust manifold in form of thrust nozzle
12/11/1991EP0460611A1 Method of producing corrugated metal sheeting and method of producing honeycomb structure therefrom for carrying catalytic agents used for purifying exhaust gases
12/11/1991EP0460542A2 Dual converter engine exhaust system for reducing hydrocarbon emissions
12/11/1991EP0460507A1 Exhaust gas purification system for an internal combustion engine
12/11/1991EP0460115A1 A system and a process for the purification treatment of smokes, dusts and exhaust gases after combustion
12/11/1991CN2090424U Semicircular carbon and oxygen separating bottle for automobile tail gas
12/10/1991US5072394 Method and apparatus for providing ignition timing alarm for internal combustion engine
12/10/1991US5070694 Structure for electrically heatable catalytic core
12/10/1991US5070693 Air-fuel ratio feedback control system having single air-fuel ratio sensor downstream of or within three-way catalyst converter
12/09/1991CA2043191A1 Dual converter engine exhaust system for reducing hydrocarbon emissions
12/06/1991CA2043760A1 Method of producing corrugated metal sheeting and method of producing honeycomb structure therefrom for carrying catalystic agents used for purifying exhaust gases
12/05/1991DE4017832A1 Ceramic spacer ring with shaped support faces - in contact with end faces of honeycomb bodies of exhaust catalyst
12/05/1991DE4017360A1 IC engine exhaust catalytic conversion during cold starting - involves preheating of active material by direct current supplied to coating on supporting wall of converter
12/04/1991EP0459603A1 Process and apparatus for continuous drying of wood chips, wood fibres or other bulk materials
12/04/1991EP0459534A1 Monolith respectively honeycomb catalyst
12/04/1991EP0412103B1 Electrically conductive honeycomb body, process for monitoring it and its use as a support for an exhaust gas catalyst
12/03/1991US5069697 Cordierite as main component of crystalline phase
12/02/1991CA2043681A1 Process and apparatus for the continuous drying of wood shavings, wood fibres or other bulk materials
11/1991
11/30/1991WO1991019080A1 Particulate trap regeneration apparatus and method
11/30/1991CA2056387A1 Particulate trap regeneration apparatus and method
11/28/1991DE4116904A1 Honeycomb exhaust gas assembly - for incorporation as catalyst substrate in motor vehicle exhaust catalyst
11/28/1991DE4114935A1 Vehicle exhaust filter for diesel engine - has electrostatic precipitator and mechanical collection of carbon
11/28/1991DE4113005A1 Internal combustion engine esp. diesel engine with exhaust gas filter - has filter by=pass line opened by piston and matches exhaust feedback rate to engine operating conditions
11/27/1991EP0458045A1 Metal carrier matrix for a catalytic reactor
11/26/1991US5068218 Corrugated sheets of metal layers
11/26/1991US5067973 Automatic regeneration of diesel exhaust to remove soot
11/26/1991US5067448 Exhaust cooling device for small sized boat engine
11/26/1991US5067320 Exhaust particle removing system for internal combustion engine
11/26/1991US5067319 System for purifying the exhaust gases of diesel engines
11/26/1991US5067318 Regeneration system for particulate trap
11/21/1991EP0457287A2 An anti-pollution device for treating the exhaust gases from internal combustion engines and burners in general, functioning also as exhaust silencer
11/21/1991EP0456919A2 Catalytic converter system
11/20/1991CN2089077U Tail pipe of engine with tail gas exhausting function
11/20/1991CN2089076U Exhaust gas purifying device for gasoline engine vehicle
11/19/1991US5066432 Process for manufacturing a ceramic foam body
11/19/1991US5066316 Exhaust gas purifying apparatus
11/19/1991US5065576 Exhaust gas purifying device for a diesel engine
11/19/1991US5065575 Air flow/check valve
11/19/1991US5065574 Particulate trap regeneration apparatus and method
11/14/1991DE4015013A1 Device for forming homogeneous mixt. from exhaust gas - from Diesel engine and combustion chamber, comprising mixing tube with filter, disc and turning brake
11/13/1991EP0386013B1 Catalyzer with flow guiding body
11/12/1991US5064609 Hydrogen reducing atmosphere, jigs
11/12/1991US5063769 Metal honeycomb catalyst support having a double taper
11/12/1991US5063737 Particulate trap system for an internal combustion engine
11/12/1991US5063736 Particulate filter trap load regeneration system
11/07/1991DE4041735C1 Particle filter for exhaust gas from combustion engine - includes ceramic filter material sleeved support tubes arranged in parallel and having planar walls
11/06/1991EP0454943A1 Turbocharger for an internal combustion engine
11/06/1991EP0454937A1 Combination filter for gaseous media and its use
11/06/1991EP0451207A4 Method for reducing emissions from or increasing the utilizable energy of fuel for powering internal combustion engines
11/06/1991CN2088164U Damping device of drilling machine
11/05/1991US5063029 Resistance adjusting type heater and catalytic converter
11/05/1991US5063007 Process for manufacturing a ceramic foam body
11/05/1991US5062911 Preparation of ceramic honeycomb structure having selectively sealed channels
11/05/1991US5062263 Exhaust gas depurator having a catalytic activity, and silencer, for internal combustion engines
11/02/1991WO1991017575A2 Optoelectronic device
10/1991
10/31/1991WO1991016529A1 Means for controlling exhaust temperature on a catalytically purified combustion engine
10/31/1991WO1991016528A1 Process and device for removing particles from exhaust gases
10/30/1991EP0454351A2 Burner devices
10/30/1991EP0454346A1 Exhaust particulate filter
10/29/1991US5061462 Apparatus for producing a streamer corona
10/29/1991US5060689 Universal check valve assembly
10/29/1991US5060474 Exhaust emission control failure detection system for internal combustion engine
10/28/1991CA2041293A1 Burner devices
10/24/1991DE4111264A1 Catalyser for internal combustion engine exhaust gases - has conical body and housing, with binding layer between them
10/24/1991DE4032610A1 Shape stable hollow catalyst support - formed by metallising lost pattern of convolute shape, used in organic synthesis and flue gas cleaning
10/24/1991DE4012719A1 Engine esp. diesel engine exhaust gas purificn. by complete filtration - with gas permeable filter of refractory fibres to remove solid particles, e.g. soot
10/24/1991DE4012411A1 Exhaust-operated filter-regenerating burner - divides gas into equal evenly-distributed currents before combustion chamber inlet
10/23/1991EP0453062A1 Apparatus and method to reduce automotive engine emissions
10/23/1991CN2087240U Exhaust and extinguishing spark apparatus for automobile
10/22/1991US5058704 Turbo jet muffler
10/22/1991US5058703 Automotive exhaust noise attenuator
10/22/1991US5058547 Warning system for nozzle clog of a fuel injector
10/22/1991US5058381 Low restriction exhaust treatment apparatus
10/22/1991US5058380 Exhaust system of an internal-combustion engine
10/22/1991CA1291045C Muffler system
10/16/1991EP0452125A2 Heater and catalytic converter