Patents for F01N 1 - Silencing apparatus characterised by method of silencing (8,998)
11/1998
11/04/1998CN1197885A Exhaust muffler for internal combustion engine
11/03/1998US5832095 For an air distribution structure
11/03/1998US5831223 For a motor vehicle
10/1998
10/30/1998CA2235048A1 Noise attenuator
10/27/1998US5828013 Muffler with catalytic converter arrangement; and method
10/27/1998US5826573 Gas flow control element
10/21/1998CN2295050Y Sheet-type micro-porous silencer
10/20/1998US5824972 Acoustic muffler
10/20/1998US5824970 Marine engine silencer having internal apertured baffle and weir plate
10/15/1998DE19714983A1 Exhaust silencer e.g. for internal combustion engine
10/13/1998US5822439 Noise control device
10/13/1998US5821474 For pulsing gases
10/13/1998US5821473 Silencer and a method for forming and attaching a silencer to a blower pipe
10/08/1998WO1998044247A1 Muffler and its manufacturing method
10/08/1998WO1998044243A1 Flue gas cleaning
10/08/1998DE19713442A1 Combustion engine, especially diesel engine for land and water vehicles
10/07/1998EP0868596A1 Sound suppressor exhaust structure
10/06/1998US5816361 Exhaust mufflers with stamp formed internal components and method of manufacture
10/01/1998WO1998042965A1 Stamp-formed muffler having a unitary inner cartridge
10/01/1998CA2284070A1 Stamp-formed muffler having a unitary inner cartridge
09/1998
09/30/1998CN2292904Y Double diffraction absorption energy-saving silencer
09/22/1998US5810566 Pulse damper or acoustic outlet piece for a compressor and compressor equipped therewith
09/22/1998US5809770 Silencer for a gas flow
09/16/1998CN1193072A 消音装置 Silencer
09/15/1998US5808245 Vertical mount catalytic converter muffler
09/15/1998CA2118211C Adaptive multifrequency reactive muffler
09/11/1998WO1998039209A2 Sound reduction method and system for jet engines
09/11/1998CA2282744A1 Sound reduction method and system for jet engines
09/03/1998WO1998037944A1 Pollution abating filter for internal combustion engines
09/03/1998DE19706883A1 Exhaust gas silencer for internal combustion engined motor vehicle e.g. motorcycles
09/02/1998EP0862012A2 Sound damping device for reducing fluid and body noise
09/02/1998EP0861756A2 Automotive bumper and muffler combination
09/01/1998US5801344 Sound attenuator with throat tuner
09/01/1998US5801343 Muffler for internal combustion engine
08/1998
08/27/1998WO1998025072A3 Method and apparatus for making preforms from glass fiber strand material
08/27/1998DE19706155A1 Noise dampening system for currents and body shell
08/26/1998EP0859906A1 A noise attenuator for an induction system or an exhaust system
08/26/1998EP0791131B1 Resonance exhaust silencer
08/26/1998CN1191589A Silencer for gas flow
08/19/1998CN1039550C Muffler
08/18/1998CA2118780C Stamp formed muffler with hermetically sealed laminated outer shell and method of manufacture
08/17/1998CA2197721A1 Jet noise silencer
08/11/1998CA2112368C Noise control device
08/06/1998DE19703414A1 Noise damper for induction pipe of internal combustion engine
08/05/1998EP0856647A1 Muffler with stamped internal plates defining tubes and separating chambers
07/1998
07/30/1998WO1998032957A1 Flexible uncoupling joint mounted in the exhaust line of a motor vehicle engine
07/30/1998WO1998020237A3 Improved muffler with partition array
07/29/1998EP0855496A1 Flexible decoupling joint mounted in an exhaust system of a motor vehicle
07/29/1998CN1188843A Exhauster with catalytic agent
07/28/1998US5785014 Expansion chamber for two-cycle engine
07/28/1998US5784784 For use in a high pressure, closed circuit
07/21/1998US5783782 Multi-chamber muffler with selective sound absorbent material placement
07/21/1998US5783780 Sound absorption structure
07/15/1998CN2286243Y Five-inner tube & double-pyramid noise silencer
07/08/1998EP0852050A1 Method for damping vibration and the pressure wave from a material
07/08/1998EP0708880B1 Fishbone standardised silencers for (internal) combustion engines
07/07/1998US5777947 Apparatuses and methods for sound absorption using hollow beads loosely contained in an enclosure
07/07/1998US5775306 For use with a fuel pump
07/07/1998CA2223589A1 Tunable acoustic system
06/1998
06/30/1998US5773770 Cross flow path exhaust muffler
06/25/1998WO1998027321A1 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
06/23/1998US5771300 Loudspeaker phase distortion control using velocity feedback
06/16/1998US5767459 Muffler for pneumatic devices
06/16/1998US5766541 Method and apparatus for making preforms from glass fiber strand material
06/11/1998WO1998025072A2 Method and apparatus for making preforms from glass fiber strand material
06/02/1998US5760348 Noise attenuating apparatus
06/02/1998US5758497 Apparatus for silencing and catalytic treatment of gases
05/1998
05/28/1998WO1998022703A1 Internal combustion engine
05/28/1998WO1998022700A2 Active exhaust silencer
05/26/1998US5758311 Vibration/noise active control system for vehicles
05/20/1998EP0842355A2 Silencer for a gas flow
05/20/1998CN1182169A Silencing apparatus with catalyst inside
05/14/1998WO1998020237A2 Improved muffler with partition array
05/14/1998DE19644089A1 Schalldämpfer Silencer
05/13/1998EP0840841A1 Muffler with catalytic converter
05/07/1998WO1998019056A1 Exhaust apparatus of vehicles
05/07/1998WO1998019054A1 Exhaust muff
05/06/1998EP0840285A2 Active noise conditioning system
05/06/1998EP0839993A2 Multi-chamber muffler with sound absorbent material
05/06/1998CN1180980A Noise canceling system
05/05/1998US5748749 Active noise cancelling muffler
05/05/1998US5748748 Apparatus and method for influencing oscillations in the passenger compartment of a motor vehicle and apparatus and method for detecting defects in a motor vehicle
05/05/1998US5747753 Muffler for an internal combustion engine, particularly a single-cylinder diesel engine
05/05/1998US5746986 One-piece; high speed maintenance and replacement; internal combustion engines
04/1998
04/30/1998WO1998017898A1 Sound suppressor exhaust structure
04/29/1998EP0838973A1 Loudspeaker phase distortion control using velocity feedback
04/28/1998US5744762 Muffler controller for use in controllable exhaust system of internal combustion engine
04/23/1998DE19744838A1 Motor vehicle exhaust
04/23/1998DE19737799A1 Silencer for high-pressure output of compressor in vehicle air conditioner
04/22/1998EP0837452A2 Noise cancelling system
04/22/1998CN1179690A Loudspeaker phase distortion control using velocity feedback
04/22/1998CN1179526A Compressor discharge muffler for use in air cooditioner
04/22/1998CN1179505A Whirling type waste gas filtering silencer
04/21/1998US5740671 Balance box exhaust accelerator
04/14/1998US5739485 Motor vehicle exhaust muffler
04/14/1998US5739484 Exhaust muffler
04/14/1998US5739483 Automobile exhaust noise suppressor
04/14/1998US5738184 Muffler for a two-stroke engine
04/09/1998WO1998014693A1 Gas flow silencer
04/08/1998EP0558472B1 Improvements in attenuators
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