Patents for F01N 1 - Silencing apparatus characterised by method of silencing (8,998)
06/2003
06/25/2003CN1112518C Exhausting silencing apparatus for air-tight rotary compressor
06/24/2003US6581723 Muffler shell filling process, muffler filled with fibrous material and vacuum filling device
06/24/2003US6581721 Valve for a control muffler
06/24/2003US6581376 Compact tuned exhaust system for aircraft with reciprocating engines
06/19/2003WO2003050398A1 Exhaust treatment control system for an internal combustion engine
06/18/2003EP1319156A1 Sound absorbent
06/12/2003WO2003048532A1 Apparatus for reducing sound nuisance of spark ignition engine exhaust
06/12/2003US20030108457 Exhaust gases of internal combustion engine
06/12/2003US20030106310 Vortex device and system for treating exhaust gas from internal combustion engine
06/12/2003DE10218854C1 Exhaust gas silencer for motor vehicle internal combustion engine has tubular housing with internal baffle walls defining chambers
06/11/2003EP1318281A2 Active silencer for exhaust systems
06/11/2003CN1422592A Sound filter
06/05/2003US20030102183 Method and apparatus for attaching a resonance chamber to an air induction component
06/04/2003EP1316943A2 An acoustic filter
06/04/2003CN2554358Y Exhaust device of IC engine
06/04/2003CN1421596A Internal combustion engine exhauster
06/03/2003US6571911 Muffler for an engine
06/03/2003US6571910 Method and apparatus for improved noise attenuation in a dissipative internal combustion engine exhaust muffler
06/03/2003US6571552 Exhaust heat energy recovery system for internal combustion engine
05/2003
05/30/2003WO2003044366A1 Sound insulation for engine
05/30/2003WO2003044345A1 Exhaust system and a method of producing the same
05/30/2003WO2003044341A1 A method to improve the output of an engine by processing the exhaust gas and a device to perform the method
05/30/2003WO2003044340A1 A swirl device and system for processing the exhaust gas from an internal combustion engine
05/30/2003WO2003044339A1 An exhaust gas filter device
05/30/2003WO2003044337A1 An absorption device used for processing exhaust gas from an engine
05/30/2003WO2003044336A1 A cooling and silencing device for processing the exhaust gas from an internal combustion engine
05/29/2003US20030098199 Acoustic filter
05/29/2003US20030098198 Auxiliary heater arrangement with a muffler
05/29/2003US20030097834 Exhaust gas purification system
05/28/2003CN1109846C Silencer for torch
05/21/2003EP1312776A2 Exhaust gas purification system
05/21/2003CN2551772Y Exhausting silencing system for air-cooled IC engine
05/20/2003US6565399 Watercraft catalytic exhaust system
05/20/2003US6564902 Device and method for a sound-attenuating unit
05/20/2003US6564901 Muffler for marine engine
05/15/2003WO2003040527A1 Gas expansion silencer
05/14/2003CN2550510Y Double outlet four row gas exhaust pipe of motorcycle
05/14/2003CN1108438C Catalyst treatment of tail gas stream of ICE, silencing device and method
05/08/2003WO2003038248A1 Filter composite and method for the production thereof
05/08/2003US20030085072 Engine muffler
05/08/2003US20030085071 Noise and vibration suppressors
05/07/2003EP1308608A1 Engine muffler
05/07/2003CN2549183Y Three chamber exhaust silencer of engine
05/07/2003CN1107790C Exhaust appts. of saddle-type vehicle
05/06/2003CA2094168C Mufflers
05/02/2003EP1306239A2 Air supply unit for a vehicle
05/01/2003US20030080481 Air supply apparatus for a vehicle
05/01/2003US20030079467 Exhaust aftertreatment device, including chemical mixing and acoustic effects
04/2003
04/29/2003US6554100 Vehicle muffler system
04/29/2003US6554099 Exhaust muffler
04/24/2003WO2003033882A2 Sound attenuator for pneumatic exhaust
04/24/2003DE20218618U1 Sound damping sleeve for silencers of motorcycles and automobiles consists of textured mineral multi-layered coiled endless fibers and uniformly distributed organic binding material, hardened by thermal process
04/22/2003US6551155 Personal watercraft having an improved exhaust system
04/22/2003US6550573 Muffler with catalytic converter arrangement, and method
04/22/2003US6550572 Exhaust pipe for an automobile or a motorcycle
04/17/2003US20030072648 Outlet silencer structures for turbine
04/17/2003US20030072459 Folding other of first or second tubular halves along one edge to overlap noise attenuation plate forming a flow tube defining a flow path with an internally positioned noise attenuation plate
04/17/2003US20030070870 Sound attenuator for pneumatic exhaust
04/16/2003EP1301694A2 A multiple layer fiber filled sound absorber and a method of manufacturing the same
04/15/2003US6546722 Engine exhaust assembly for a motorcycle
04/10/2003US20030066288 Engine acoustical system
04/09/2003EP1300581A2 Resonance box for sound pressure level modulation for internal combustion engines
04/09/2003CN1408991A Bagged glass fibre for silencer of automobile
04/09/2003CN1408990A Silencer
04/08/2003US6544009 Compressor and electric motor
04/08/2003US6543577 Silencer
04/08/2003US6543576 Multiple layer fiber filled sound absorber and a method of manufacturing the same
04/03/2003WO2003027480A1 Induction system with low pass filter for turbo charger applications
04/03/2003US20030064644 Exhaust structure for jet propulsion boat
04/03/2003US20030062216 Muffler for internal combustion engine
04/02/2003EP1298289A1 Exhaust cleaning arrangement for a motor vehicle exhaust system
04/02/2003CN1407213A Gas distributing method, device and silencer-catalyst system
04/01/2003US6540046 Compact economical spark arrestor and muffler
04/01/2003US6539702 Gas turbine exhaust passage and damper system for same having a non-enclosed porous peripheral wall
03/2003
03/27/2003WO2003025357A1 Housing arranged in an exhaust gas system for a combustion engine
03/27/2003WO2003025356A1 Housing arranged in an exhaust gas system for a combustion engine
03/27/2003US20030060099 Exhaust structure of exhaust system for a boat
03/27/2003US20030057016 Muffler arrangement for an internal combustion engine
03/27/2003US20030057015 Device for noise structuring in a motor vehicle
03/27/2003US20030057014 Muffler arrangement structure
03/27/2003DE20118636U1 Exhaust silencer for internal combustion engine has flow pipe with closed pipe wall and diverging chambers one behind other in direction of exhaust gas flow and with radial dimensions greater than normal diameter of flow pipe
03/26/2003EP1296027A2 Exhaust gas muffler
03/26/2003CN1405436A Silencer configuration structure
03/26/2003CN1103866C Vibration movement type internal combustion engine sound-absorbing structure
03/26/2003CN1103855C Silencer for two-wheeled motorcycle etc.
03/25/2003US6537490 Reliable, relatively easy to maintain, inexpensive
03/20/2003WO2003023201A1 Muffler shell filling process and muffler filled with fibrous material
03/20/2003CA2458768A1 Muffler shell filling process and muffler filled with fibrous material
03/19/2003EP1293647A2 Active noise conditioning system
03/18/2003CA2279473C Blower noise silencer
03/13/2003WO2003021088A1 Muffler shell filling process, muffler filled with fibrous material and vacuum filling device
03/13/2003US20030047381 Muffler shell filling process and muffler filled with fibrous material
03/13/2003DE20213418U1 Motorcycle exhaust pipe closure has pivoting sound-control flap
03/13/2003CA2458096A1 Muffler shell filling process, muffler filled with fibrous material and vacuum filling device
03/12/2003EP1291570A2 Noise and vibration suppressors
03/12/2003EP1291508A2 Method for detecting malfunctioning in the exhaust flap valve and/or in the intake conduit valve
03/12/2003EP1021644B1 Waste gas heat exchanger
03/11/2003US6530452 Reactive silencer for industrial air channels and its use
03/11/2003US6530436 Pneumatic tool with muffler bypass mechanism
03/06/2003US20030042071 Thin acoustiv muffler exhaust pipes, method of sheet metal construction thereof, and exhaust systems which utilize such exhaust pipes for increased ground clearance on race cars
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