Patents for F01N 1 - Silencing apparatus characterised by method of silencing (8,998)
07/2002
07/31/2002EP1226340A1 Silencer
07/31/2002EP1226339A2 A silencer
07/31/2002EP0704116B1 Piezoelectric driven flow modulator
07/31/2002CN2503208Y Air inlet silencing apapratus
07/31/2002CN1361345A Power-saving low-noise pneumatic rock drill
07/31/2002CN1088500C Exhaust apparatus of vehicles
07/30/2002US6425742 Discharge silencer provided with drain recovering function
07/30/2002US6425412 Dual spring exhaust valve linkage assembly
07/25/2002WO2002057616A1 Silencer with a plurality of resonance chambers
07/25/2002WO2002057604A1 Exhaust emission control device of internal combustion engine
07/25/2002US20020096393 Turbogenerator exhaust silencer
07/25/2002US20020096392 Spark arresting muffler with exhaust path parallel to muffler centerline
07/25/2002US20020096385 Exhaust system for vehicular two-cylinder engine
07/25/2002DE10145591A1 Schalldämpfer eines Verdichters Silencer of a compressor
07/25/2002DE10102040A1 Silencer, for a motor exhaust or turbo charger air intake, has a hollow body at the component to be suppressed containing a number of parallel Helmholtz resonators
07/25/2002DE10062472C1 Abgas-System eines Kraftfahrzeuges Exhaust system of a motor vehicle
07/24/2002CN1360139A Purifying system for high power output and low-temp tail gas discharge of IC engine
07/24/2002CN1359768A Device for making honeycomb structure of waste gas exhausting controlling means
07/23/2002US6422338 Exhaust gas muffler for internal combustion engines
07/23/2002US6422007 Exhaust system
07/18/2002US20020094731 Exhaust system for watercraft
07/18/2002DE10200669A1 Motorauspuffsystem Engine Exhaust System
07/18/2002DE10200668A1 Motorauspufftopf-und verfahren zur Herstellung desselben Engine muffler and process for producing the same
07/17/2002EP1222405A1 Improved assembly of orifice chambers
07/17/2002CN2500814Y Locomotive exhaust pipe
07/17/2002CN1087809C Vehicular silencer
07/11/2002WO2002053884A2 Exhaust processing favourable to noise attenuation and clean emissions
07/11/2002WO2002053883A1 Exhaust gas flow control valve
07/11/2002WO2002002915A8 Muffler with energy gaining apparatus
07/11/2002WO2000052312A9 Multi-chambered muffler
07/11/2002US20020090305 Muffler of compressor
07/11/2002US20020088667 Engine muffler and method of manufacturing the same
07/11/2002US20020088666 Muffler and spark arrester
07/11/2002DE10065655A1 Combustion unit comprises a substantially horizontal flue gas pipe which passes through a housing filled with a sound insulating material, and is provided with a plurality of openings
07/10/2002CN2499583Y Foam sponge sound absorption board with corrugation
07/10/2002CN2499582Y Silencer for steam and air discharge
07/09/2002US6415889 Stamped-formed muffler apparatus and assembly process
07/09/2002US6415888 Muffler
07/09/2002US6415887 Refractive wave muffler
07/09/2002US6415747 Two stroke, multiple cylinder engine for small vehicle
07/05/2002CA2368685A1 Muffler and spark arrester
07/04/2002US20020083703 Manifold arrangement for exhaust systems
07/03/2002CN2498343Y Heat exchanging silencer of automobile
07/03/2002CN2498342Y Multi-pipe composite silencer
07/03/2002CN2498341Y Bellow bypassed composite silencer
07/02/2002US6412596 Process for filling a muffler and muffler filled with fibrous material
06/2002
06/27/2002WO2002050420A1 Device for soundproofing a gas stream
06/27/2002WO2002050407A1 Method and apparatus for improved noise attenuation in a dissipative internal combustion engine exhaust muffler
06/27/2002WO2002006643A3 A multiple layer fiber filled sound absorber and a method of manufacturing the same
06/27/2002US20020079162 Bumper/muffler assembly
06/27/2002US20020079161 Muffler insert
06/27/2002US20020079160 Motor vehicle muffler
06/27/2002DE10060522A1 Abgas-Schalldämpfer für ein brennstoffbetriebenes Heizgerät Exhaust muffler for a fuel-driven heater
06/26/2002EP1217184A1 Sound absorbing material, muffler using the sound absorbing material, and method for forming sound absorbing layer thereof
06/25/2002US6408980 Exhaust pipe and muffler for motorcycle that does not heat discolor
06/20/2002DE10146507A1 Schalldämpfer für einen Motor Muffler for an engine
06/19/2002EP1215372A2 Exhaust system of a motor vehicle
06/19/2002EP1214503A1 Two-stroke internal combustion engine
06/19/2002CN1354821A Muffler for internal combustion engine
06/18/2002US6405825 Noise absorption blade mounting structure for working vehicles
06/18/2002CA2327432A1 Coherent air management system
06/13/2002WO2002046585A2 Fluid stream pulse damper
06/13/2002US20020070076 Sound absorbing material, muffler using the sound absorbing material, and method for forming sound absorbing layer thereof
06/13/2002US20020070075 Silencing apparatus, notably for a turbo engine
06/13/2002US20020069922 Fluid stream pulse damper
06/06/2002WO2002027159A3 Muffler assembly of a motor vehicle having a variable damping characteristic
06/06/2002US20020066619 Exhaust muffler for a fuel-operated heating device
06/06/2002DE10104835C1 Automobile IC engine exhaust gas cooler has longitudinal partition wall between entry and exit chambers provided with overflow openings for exhaust gas
06/04/2002US6398520 Discharge muffler of a hermetic rotary compressor
05/2002
05/30/2002WO2002042233A2 High temperature glass fibers
05/30/2002CA2426637A1 High temperature glass fibers
05/29/2002EP1209348A1 Silencing device, particularly for turbocharged engine
05/29/2002CN1351223A Torch silencer
05/28/2002US6394226 Method for manufacturing an intake muffler particularly for compression circuit for refrigeration systems and the like
05/28/2002US6394225 Muffler structure
05/28/2002US6393835 Exhaust muffler comprising a catalytic converter
05/23/2002US20020061689 Exhaust system for watercraft
05/23/2002US20020061110 Actively-controlled sound absorption panel system using movement-controlled reflective plate
05/23/2002DE10120974C1 Silencer, for exhaust gas, has bath-shaped self-bearing metal bottom part, outflow tube and plastic cover sealing off bottom part
05/21/2002US6390132 Fluid stream pulse damper
05/16/2002WO2002038419A1 Bumper/muffler assembly
05/16/2002DE10152413A1 Abgasanlage für ein Motorrad Exhaust system for a motorcycle
05/15/2002EP1205645A1 Refractive wave muffler
05/15/2002CN1349041A Device for recovering heat energy from waste gas from engine
05/14/2002US6386317 Sound-absorbing duct structure
05/14/2002US6385967 Exhaust pipe for motor vehicle muffler
05/14/2002CA2361784A1 Refractive wave muffler
05/10/2002WO2002037468A1 Preventing oscillations in flow systems
05/10/2002WO2002036944A1 Turbogenerator exhaust silencer
05/10/2002WO2002036942A1 Muffler for internal combustion engine
05/07/2002US6382349 High-performance muffler
05/07/2002US6382348 Twin muffler
05/07/2002US6382347 Exhaust muffler for an internal combustion engine
05/02/2002US20020050419 Exhaust pipe and muffler for motorcycle that does not heat discolor
05/02/2002US20020050418 Sound attenuating device
05/02/2002US20020050415 Exhaust system of motorcycle
05/02/2002EP1201906A2 Exhaust heat energy recovery system for internal combustion engine
05/02/2002EP1200177A2 System for neutralising polluting gases by pyrolysis
05/01/2002CN1346956A Refrigerator
04/2002
04/25/2002WO2002033230A1 System and method for phased noise attenuation
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