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 1 - Silencing apparatus characterised by method of silencing
Patents for F01N 1 - Silencing apparatus characterised by method of silencing (8,998)
06/2000
06/02/2000WO2000030735A1 Emissions reduction system and method therefor
06/02/2000WO1998056573A9 Shaped multilayer metal foil shield structures and method of making
05/2000
05/31/2000DE19853359A1 Internal combustion engine operable with different cycling methods (e.g. two-stroke, four-stroke) has exhaust gas sound damper with different geometries matched to different cycle methods
05/31/2000CN2380690Y Silencer
05/30/2000US6068082 Muffler packing method and apparatus
05/30/2000US6068081 Method for damping vibration and the pressure wave from a material
05/30/2000CA2129578C Three-piece stamp formed connector for achieving equal length exhaust pipes
05/25/2000DE19955560A1 Control system for active electroacoustic transducer sound damping for vehicle exhaust systems computes counteracting noise for superimposition on exhaust system generated noise
05/23/2000US6065564 Valve apparatus for muffler
05/17/2000EP1000229A1 Marine engine silencing apparatus and method
05/10/2000CN1052293C 滤波式排气消声器 Filter Exhaust muffler
05/09/2000US6058702 Exhaust system for a motor vehicle, and motor vehicle
05/04/2000DE19945644A1 Schalldämpfungssystem für Auspuffanlagen von Kraftfahrzeugen Silencing system for exhaust system of motor vehicles
05/04/2000DE19849698A1 Silencer for engine running at constant revs., consisting of tube with exhaust gas input and output apertures, between which are two connecting points joined by bypass
05/03/2000CN1251981A Sound reduction method and system for jet engines
05/02/2000CA2188534C Active noise cancelling muffler
04/2000
04/27/2000WO2000005488A3 Silencer for the exhaust noise in an internal combustion engine
04/27/2000DE19945696A1 Schalldämpfungssystem für Auspuffanlagen von Kraftfahrzeugen Silencing system for exhaust system of motor vehicles
04/27/2000DE19849118A1 Exhaust gas silencer for an IC motor in a power tool has a two-part housing with an intermediate wall containing an exhaust spray by a zone with a perforated wall for effective silencing in a low cost assembly
04/26/2000EP0995018A1 Modular silencer
04/25/2000US6053276 Muffler packing method with injection of cartrided continuous filament fiberglass
04/25/2000CA2211634C Integral threaded turbine outlet
04/20/2000DE19945653A1 Schalldämpfungssystem für Auspuffanlagen von Kraftfahrzeugen Silencing system for exhaust system of motor vehicles
04/20/2000DE19843615A1 Diagnosis arrangement for operating condition of combustion engine, such as diesel motor having sound analysis unit arranged in air inlet and/or exhaust fume area
04/19/2000EP0868596A4 Sound suppressor exhaust structure
04/18/2000US6050363 Muffler
04/18/2000US6050362 Exhaust system with seamed roll joints and method for manufacture
04/13/2000DE19846582A1 Electrical power and noise regulation mechanism for internal combustion engine has bypass for exhaust system with system that is electrically controlled to open or close the bypass
04/12/2000EP0991854A1 Tube end closure
04/12/2000CN2373571Y Noise silencer capable of using exhaust thermal energy for internal-combustion engine
04/06/2000WO2000019152A1 Reactive silencer for industrial air channels and its use
04/05/2000CN1249394A Automotive exhaust system structure
04/04/2000US6044926 Muffler for small general-purpose engine
03/2000
03/30/2000WO2000017497A1 Apparatus for installing a packing material in a muffler assembly; and methods thereof
03/30/2000WO2000016924A1 Production method for double-structure container
03/29/2000EP0842355B1 Silencer for a gas flow
03/28/2000US6041890 Exhaust gas muffler for the combustion engine of a portable working tool
03/28/2000US6041727 Sponson for watercraft
03/21/2000US6040266 Foam catalyst support for exhaust purification
03/15/2000EP0985086A1 Silencer casing and pertaining catalyst support with a retaining element and method for the production thereof
03/15/2000CN1247588A Device and method for sound reduction in transport system for gaseous medium and use of device in exhaust system for ships
03/09/2000DE19840096A1 Abgasanlage einer mehrzylindrigen Brennkraftmaschine Exhaust system of a multi-cylinder internal combustion engine
03/08/2000EP0984144A2 Exhaust system of a multi-cylinder internal combustion engine
03/08/2000CN2367775Y Silencer with internal wall in netlike concave-convex structure
03/02/2000WO2000011328A1 Catalytic converter and resonator combination
03/02/2000WO2000011327A1 Silencer cartridge
03/02/2000CA2336979A1 Catalytic converter and resonator combination
03/01/2000CN2366559Y Secondary adsorption type silencing apparatus for interal combustion engine
02/2000
02/24/2000WO2000009869A1 Device for catalytic exhaust gas purification
02/24/2000DE19837097A1 Exhaust gas system for internal combustion engine has adjustable element of control valve movable at right angles to axial direction of pipe section, and valve element has annular sealing profile interacting with end of pipe section
02/22/2000US6026930 Exhaust apparatus of vehicles
02/17/2000WO2000008315A1 Exhaust muffler comprising a catalytic converter
02/15/2000US6024617 Marine engine silencing apparatus and method
02/15/2000US6024189 Noise attenuating apparatus
02/09/2000CN2363065Y Multi-way rotary wing type combined noise silencer
02/03/2000WO2000005489A1 Device and method for reducing the noise emissions of internal combustion engines and for diagnosing the same
02/03/2000WO2000005488A2 Silencer for the exhaust noise in an internal combustion engine
02/03/2000DE19834864A1 Burn chamber for fuel fired heater in vehicle
02/03/2000DE19834822A1 Abgasschalldämpfer mit einem Katalysator Exhaust muffler with a catalyst
02/02/2000EP0975859A2 Improved muffler with partition array
02/02/2000CN2361839Y Vehicle purifying and silencing device
02/01/2000US6018946 Exhaust manifold of multi-cylinder internal combustion engine
01/2000
01/20/2000DE19931934A1 Resonator, for noise reduction in an automobile air intake, comprises an intermediate resin housing portion or coupling ring which can be bonded to a polypropylene resin air line and to a nylon resin housing
01/19/2000EP0972915A1 Muffler and its manufacturing method
01/12/2000EP0971172A1 Gas turbine combustion chamber with silencing wall structure
01/06/2000WO1999040297A3 Aluminum muffler and method of manufacture
01/05/2000CN2357134Y Exhausting silencer for diesel-engine generator
01/04/2000US6010549 Spark arrester of muffler
01/04/2000US6010378 Watercraft catalytic exhaust system
01/04/2000US6009705 Noise attenuator for an induction system or an exhaust system
12/1999
12/29/1999CN1240019A Method and apparatus for making preforms from glass fiber strand material
12/21/1999US6005957 Loudspeaker pressure plate
12/19/1999CA2275851A1 Two stroke, multiple cylinder engine for small vehicle
12/08/1999CN2352680Y Exhaust gases silencing apparatus for diesel engine
12/08/1999CN2352245Y Sound-eliminating and dust filtering apparatus
12/07/1999US5996732 Muffler for a two-stroke internal combustion engine
12/07/1999US5996730 Heat shield with acoustic insulation
12/02/1999WO1999061762A1 Silencer
12/02/1999DE19825543A1 Silencer for exhaust gas duct from burner
12/02/1999DE19822624A1 Silencer for exhaust gas duct from burner
12/01/1999EP0960650A1 Mixing device
11/1999
11/30/1999US5992560 Muffler for internal combustion engine
11/25/1999WO1999060255A1 Exhaust system
11/24/1999EP0959302A2 Fluegas exhaust duct silencer
11/24/1999EP0958449A1 A device and a method for sound reduction in a transport system for gaseous medium and use of the device in an exhaust system for ships
11/24/1999EP0957740A1 A silencer for a suction cleaner
11/24/1999CN1236083A Silencer and air conditioner
11/24/1999CN1236059A Sound deadening and catalyst treating system
11/18/1999WO1999058825A1 Self-tuning exhaust muffler
11/18/1999WO1999058824A1 Muffler for gas flows
11/18/1999WO1999050539A3 A silencer and a method of operating a vehicle
11/17/1999EP0957240A1 Method and installation for introducing fibrous material into a housing, and housing produced in accordance with the method
11/17/1999CN1235655A Exhaust apparatus of vehicles
11/16/1999US5984045 Engine exhaust noise suppressor
11/11/1999DE19818873A1 Silencer for large high-power diesel internal combustion engine
11/10/1999CN2348279Y Cooking fume exhauster with noise-reducing device
11/09/1999US5979596 Automatic compression brake muffler
11/09/1999US5979583 Muffler for motorcycle
11/04/1999DE19832979C1 Exhaust noise suppresser for motor vehicle
11/03/1999EP0953740A1 Sound deadening and catalyst treating system
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