| Patents for F01N 13 - Exhaust or silencing apparatus characterised by constructional features (23,537) |
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| 01/18/1994 | US5280143 Muffler with a scavenging effect |
| 01/18/1994 | US5280142 Heat shielded exhaust system component |
| 01/18/1994 | US5279273 EGR apparatus for an internal combustion engine |
| 01/13/1994 | DE4222104A1 Cast-iron@ IC engine exhaust manifold - has alloyed steel inserts at pipe connection points |
| 01/12/1994 | EP0578476A1 Underwater vehicle muffler |
| 01/12/1994 | CN1080605A Cooling unit in bicycle or tricycle |
| 01/11/1994 | US5278125 Support structure for an exhaust gas purifying catalyst |
| 01/11/1994 | US5277634 Lower unit torpedo configuration |
| 01/11/1994 | US5277026 Internal combustion engine exhaust system |
| 01/05/1994 | EP0577149A1 Method of purifying waste gases |
| 01/05/1994 | DE4220988A1 Catalytic exhaust gas cleaning device - has gap-sealing composite sleeve preventing insulation blowouts |
| 01/05/1994 | CN1080271A Insulation coating for internal combustion engine |
| 12/29/1993 | EP0575727A1 Pipe joint |
| 12/28/1993 | US5272875 Catalytic converter for an internal combustion engine |
| 12/28/1993 | US5272874 Exhaust treatment system |
| 12/28/1993 | US5272873 Evaporative emission control system for internal combustion engines |
| 12/28/1993 | US5272871 Method and apparatus for reducing nitrogen oxides from internal combustion engine |
| 12/23/1993 | WO1993025998A1 An active noise cancellation muffler for a motor vehicle |
| 12/23/1993 | WO1993025806A1 Exhaust emission control system for internal combustion engine |
| 12/23/1993 | WO1993025805A1 Exhaust emission control system for internal combustion engine |
| 12/23/1993 | WO1993025804A1 Internal combustion engine exhaust control valve |
| 12/23/1993 | CA2137470A1 Internal combustion engine exhaust control valve |
| 12/22/1993 | CN1079800A Secondary burning technology for tail gas of engine |
| 12/21/1993 | US5271906 Exhaust emission control apparatus using catalytic converter with hydrocarbon absorbent |
| 12/21/1993 | US5271595 Resilient support device having a non-linear elastic characteristic |
| 12/21/1993 | US5271480 Device for protecting oxygen sensor of motocycle |
| 12/21/1993 | US5271477 Oxygen sensor layout |
| 12/21/1993 | US5271224 Variable exhaust system for an internal combustion engine |
| 12/21/1993 | US5271223 Exhaust gas purifying device of an engine |
| 12/16/1993 | DE4224317C1 Engine exhaust-manifold mounting inside housing - comprises fork-section spring strips securing lengthwise outer radial ribs on manifold |
| 12/16/1993 | DE4219524A1 Repair sleeve for car silencer box - uses oval or circular body secured to exhaust pipe by clamp |
| 12/15/1993 | EP0573834A1 Catalytic converter having a metallic monolith mounted by a heat-insulating mat of refractory ceramic fibers |
| 12/15/1993 | EP0573764A1 Articulated connection of pipe parts, particularly in exhaust systems of motor vehicles |
| 12/15/1993 | EP0573672A1 Exhaust emission control device in internal combustion engine |
| 12/14/1993 | US5269650 Uniform flow exhaust gas transfer pipe |
| 12/14/1993 | US5269140 Exhaust gas purifier for methanol-fueled engines |
| 12/09/1993 | WO1993024745A1 Catalytic combustion engine exhaust gas purifier with additional air supply |
| 12/02/1993 | DE4224251C1 Sensor fitting into exhaust pipe - has spherical base sleeve located into hole cut into pipe. |
| 12/01/1993 | EP0571380A1 Silencer for gas induction and exhaust systems |
| 11/30/1993 | US5266755 Car silencer for absorbing sound and exhaust pollutants |
| 11/30/1993 | US5265420 Exhaust system of a multi-cylinder reciprocating engine |
| 11/25/1993 | WO1993023149A1 Catalytic regenerative thermal oxidizer |
| 11/25/1993 | DE4214796A1 IC engine exhaust elbow for catalyst heating - has steel tubes with closed ends embedded in elbow engine flange |
| 11/24/1993 | EP0571101A1 Spiral wound gasket for automotive exhaust system |
| 11/18/1993 | DE4216090A1 Duo-pipe exhaust system for vehicle - uses sliding seat to form connection between two sections of inner pipe |
| 11/16/1993 | US5262600 In-line insertion muffler for marine engines |
| 11/16/1993 | US5262131 Oxidation of organic compounds in air |
| 11/16/1993 | US5261230 Device for controlling heating of catalyst for purifying exhaust gas |
| 11/11/1993 | DE4215046A1 Exhaust equipment for Diesel engine - comprises exhaust pipe with holes in wall and surrounded by outer pipe forming ring gap connected to pressure gas source |
| 11/09/1993 | US5260522 Double-wall hollow body with interlayer and method for manufacturing same |
| 11/09/1993 | US5260116 Heat and shock resistance; noncracking, compressive strength; gasoline and diesel engines |
| 11/09/1993 | US5260043 Catalytic reduction of NOx and carbon monoxide using methane in the presence of oxygen |
| 11/09/1993 | US5260035 Apparatus and method for modifying gaseous mixtures |
| 11/09/1993 | US5259887 Heat-resistant, ferritic cast steel, exhaust equipment member made thereof |
| 11/09/1993 | US5259797 Marine engine exhaust system and method |
| 11/09/1993 | CA2068310A1 Exhaust pipe lock for internal combustion engines and the like |
| 11/04/1993 | DE4214514A1 Flange for vehicle exhaust pipe - has laminates with pipe borehole such that individual laminates have meshing axial projections |
| 10/28/1993 | WO1993021463A1 Gasket for high-temperature use |
| 10/28/1993 | WO1993021428A1 Adaptive multifrequency reactive muffler |
| 10/28/1993 | DE4213822A1 Internal combustion engine exhaust gas filter |
| 10/28/1993 | DE4213330A1 Noise-damped vane cell pump - uses interconnection channels between pump chambers tuned to interference frequency |
| 10/20/1993 | EP0566401A1 Catalyst for exhaust gas purification and method for exhaust gas purification |
| 10/19/1993 | US5254840 Mounting for metal honeycomb structures |
| 10/19/1993 | US5253680 Duplex metal pipe for damping |
| 10/19/1993 | US5253603 Underwater vehicle muffler |
| 10/19/1993 | US5253476 Pulsed, reverse-flow, regenerated diesel trap capturing soot, ash and PAH's |
| 10/19/1993 | CA1323145C Built-in vacuum cleaning system with improved acoustic damping design |
| 10/14/1993 | WO1993020376A1 Flexible joint |
| 10/14/1993 | WO1993020341A1 Internal combustion engine variable tuned exhaust system |
| 10/14/1993 | DE4211600A1 Exhaust system for 2-stroke IC engine - has single resonator chamber for each cylinder, with diffusor chamber next to ejector slot |
| 10/14/1993 | DE4211575A1 Screen for heat radiation from motor vehicle catalyst - involves heat protection shield in sandwich construction with intermediate heat protection mat |
| 10/13/1993 | EP0565466A1 Flexible piping element, especially for exhaust lines of automobiles and its manufacturing process |
| 10/13/1993 | EP0564914A1 Device for enlarging small sticky particles |
| 10/13/1993 | EP0564692A2 Stamp formed muffler with inline expansion chamber and arcuately formed effective flow tubes |
| 10/12/1993 | US5252788 Stamp formed muffler with in-line expansion chamber and arcuately formed effective flow tubes |
| 10/12/1993 | US5251720 Structure for mounting powertrain of vehicle |
| 10/12/1993 | US5251439 Exhaust device for small sized boat engine |
| 10/12/1993 | CA1323023C Two piece male-female grommet |
| 10/07/1993 | DE4309952A1 Elastic suspension for exhaust pipe of motor vehicle - consists of elastic block with suspension hooks, and finger on one hook end, to prevent block movement after assembly |
| 10/07/1993 | DE4309615A1 Connecting component used with marine engines - involves long thin-walled component connected to fixed construction by first and second plate pieces interconnected by first collective component |
| 10/07/1993 | DE4210784A1 Metal honeycomb structure with regions with different flow conditions - built-up of smooth and wavy sheet forming alternating layers |
| 10/06/1993 | EP0563843A1 Method for manufacturing mufflers for motor vehicles and mufflers obtained thereby |
| 10/05/1993 | US5250269 Catalytic converter having a metallic monolith mounted by a heat-insulating mat of refractory ceramic fibers |
| 10/05/1993 | US5250268 Catalytic cleaning arrangement for exhaust from an internal combustion engine |
| 10/05/1993 | US5250094 Fiber media composed of ceramic, glass and metallic thermoconductive fibers; longitudinal pleats define internal flow passageway |
| 09/30/1993 | WO1993019291A1 Silencer for a flowing gaseous medium, in particular combustion air in an internal combustion engine |
| 09/30/1993 | WO1993018841A1 Ceramic filter construction and methods of filtering using such construction |
| 09/30/1993 | DE4236883A1 Catalytic converter for IC engine exhaust - has sheath of closed exhaust channels at catalyser element circumference, limiting heat losses |
| 09/29/1993 | EP0562805A1 NOx purification apparatus for an internal combustion engine |
| 09/28/1993 | US5248859 Collector/muffler/catalytic converter exhaust systems for evacuating internal combustion engine cylinders |
| 09/28/1993 | CA1322498C Apparatus and method for cooling exhaust in an outboard marine propulsion system |
| 09/23/1993 | DE4208624A1 Vehicle exhaust gas cleaning system |
| 09/23/1993 | DE4208621A1 Exhaust gas system for vehicle IC engine - uses waste heat from burner for catalytic converter to warm vehicle interior |
| 09/23/1993 | DE4208456A1 Internal combustion engine exhaust gas cleaning - by scrubbing using silicone oil |
| 09/23/1993 | DE4208336A1 Silencer for vehicle vertical exhaust system - incorporates square-sectioned hollow space around which rainwater can collect |
| 09/23/1993 | DE4208292A1 Exhaust flange seal for internal combustion engine - contains ion current sensor with two electrodes protruding into combustion gas aperture. |
| 09/22/1993 | EP0561311A1 Exhaust cleaning device of an internal combustion engine with a converter and an adsorber |
| 09/22/1993 | EP0561019A1 Arrangement for positioning an inner shell in the casing of an exhaust device for vehicles |
| 09/22/1993 | EP0560991A1 Device for purifying exhaust of internal combustion engine |
| 09/21/1993 | US5246472 Apparatus for filtering engine exhaust |