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