Patents for F01N 1 - Silencing apparatus characterised by method of silencing (8,998)
10/2003
10/22/2003CN2581699Y Buffer emptying silencer
10/21/2003US6634457 Apparatus for damping acoustic vibrations in a combustor
10/16/2003WO2002095376A3 Method and device for the comprehensive characterisation and monitoring of exhaust gases and the regulation of engines in particular internal combustion engines and components for the treatment of exhaust gases
10/16/2003US20030192737 Outlet silencer and heat recovery structures for gas turbine
10/15/2003EP1352172A1 Silencer with a plurality of resonance chambers
10/14/2003US6633646 Method and apparatus for controlling exhaust noise
10/07/2003US6629580 Perforated end pipe of silencer unit
10/02/2003WO2003058041A3 Electronically controlled variable loudness muffler
10/02/2003US20030183447 Compressed air muffler
10/02/2003US20030182937 Structure of an exhaust manifold branch collecting portion
10/01/2003EP1348874A1 Silencer for compressed air
10/01/2003EP1348844A2 Tuned exhaust system for small engines
10/01/2003EP1007854B1 Pulsation damper
09/2003
09/25/2003WO2003007682A3 Emission control device and method
09/24/2003EP1347155A2 End silencer
09/23/2003US6622821 Thin acoustic muffler exhaust pipes, method of sheet metal construction thereof, and exhaust systems which utilize such exhaust pipes for increased ground clearance on race cars
09/23/2003US6622819 Sound attenuator for pneumatic exhaust
09/23/2003US6622818 Sound attenuating device
09/23/2003US6622482 Combined catalytic muffler
09/18/2003US20030175178 Catalytic converter assembly for use in exhaust systems of internal combustion engines consisting of a square, with perforated baffles folded at angles
09/18/2003US20030173148 Muffler
09/18/2003US20030173147 Tikho
09/18/2003US20030173146 Silencer
09/17/2003CN2573688Y Noise lowering device for automobile
09/17/2003CN2573687Y Embedded exhaust pipe
09/17/2003CN2573686Y Low-noise low-pollution silencer of motorcycle
09/17/2003CN2573685Y Expanding multi-stage engine exhaust silencer
09/16/2003US6619426 Exhaust silencer
09/02/2003US6612400 Electronically controlled variable loudness muffler
08/2003
08/28/2003WO2003071104A1 Exhaust line and motor vehicle equipped therewith
08/28/2003WO2003071103A1 Internal combustion engine silencer
08/28/2003WO2001083957A9 Improved marine engine silencer
08/27/2003EP1338769A1 Insert for silencer from a shaped member
08/27/2003EP1338768A2 Insert for silencer from profiled element
08/27/2003EP1338767A1 Noise absorption insert made of a shaped element
08/27/2003EP1338766A1 Noise absorption insert made of a shaped element
08/27/2003CN1438408A Gas-discharging silencing tube
08/26/2003US6609590 Exhaust system having angled baffle
08/21/2003US20030155175 Muffler
08/21/2003US20030154714 Sensor arrangement for watercraft
08/20/2003EP1336727A2 Muffler
08/19/2003US6607052 Muffler shell filling process and muffler filled with fibrous material
08/14/2003US20030150669 Combined silencer and spark arrester
08/12/2003US6604604 Catalytic muffler and method
08/07/2003US20030145585 Exhaust processor with variable tuning system and method of operating such exhaust processor
08/07/2003US20030145584 Exhaust processor with variable tuning system
08/06/2003EP1333162A1 Exhaust system for a work vehicle
08/06/2003EP1332118A2 High temperature glass fibers
08/06/2003EP1332071A1 Bumper/muffler assembly
08/05/2003CA2307559C Muffler with gas-dispersing shell and sound-absorption layers
08/01/2003CA2381497A1 Exhaust gas muffler
08/01/2003CA2370012A1 Muffler heat exchanger
07/2003
07/31/2003US20030141143 Replaceable catalyst for exhaust system
07/30/2003EP1330814A1 Preventing oscillations in flow systems
07/30/2003EP1330596A1 Muffler for internal combustion engine
07/30/2003EP0852050B1 Method for damping vibration and the pressure wave from a material
07/30/2003CN1116507C Muffler for vehicle
07/30/2003CN1116505C 消音器 Silencer
07/30/2003CN1116504C Tail gas cleaner
07/29/2003US6598390 Easily controlled exhaust pipe
07/24/2003US20030136607 Exhaust apparatus for vehicle
07/24/2003US20030136121 Exhaust system for internal combustion engine having parallelogram-shaped cross-section
07/24/2003US20030136120 Adjustable exhaust system for internal combustion engine
07/24/2003US20030136116 Adjustable restriction muffler system for a combine
07/24/2003US20030136101 Gas turbine exhaust passage and damper system for same
07/24/2003CA2417289A1 Adjustable exhaust system for internal combustion engine having parallelogram-shaped cross-section
07/23/2003EP1329599A2 Combined silencer and spark arrester
07/23/2003CN1115469C Method and device for controlling noise of exhaust gas
07/23/2003CA2416937A1 Adjustable restriction muffler system for a combine
07/22/2003US6595320 Apparatus for controlling exhaust gas in internal combustion engine
07/22/2003US6595319 Muffler
07/17/2003WO2003058041A2 Electronically controlled variable loudness muffler
07/17/2003US20030134548 Personal watercraft
07/16/2003EP1327059A1 Device for treating waste gases resulting from technical combustion processes
07/15/2003US6591939 Marine engine silencer
07/15/2003US6591606 Internal combustion engine as a drive engine in a portable handheld work apparatus
07/10/2003WO2003056228A1 A fluid flow controller
07/10/2003WO2003056223A2 Sound absorbing device in a pipe duct
07/10/2003WO2003056149A1 Turbine noise absorber
07/10/2003WO2003056148A1 Silencer gas expanding device
07/10/2003WO2003056147A2 Silent gas expansion diffuser
07/10/2003US20030129892 Personal watercraft having an improved exhaust system
07/10/2003US20030129891 Exhaust and drain structure for vessels
07/10/2003US20030127281 Electronically controlled variable loudness muffler
07/10/2003CA2471818A1 Fluid flow controller
07/09/2003EP1326011A2 Exhaust system
07/09/2003EP1325216A2 Muffler assembly of a motor vehicle having a variable damping characteristic
07/08/2003US6588545 Muffler for internal combustion engine
07/08/2003US6588203 Exhaust device of internal combustion engine
07/08/2003US6588105 Method and device for producing an absorption silencer
07/03/2003US20030121722 Exhaust gas muffler
07/03/2003US20030121720 Easily controlled exhaust tube
07/03/2003US20030121252 Exhaust manifold for improvement of purification efficiency and lifetime of a catalytic converter
07/01/2003US6585078 Muffler insert
06/2003
06/26/2003WO2003052243A1 Device and method for dampening noise in the exhaust system of an internal combustion engine
06/26/2003US20030118762 Turbine noise absorber
06/26/2003US20030116307 Insulating preform
06/26/2003US20030115861 Easily controlled exhaust pipe
06/25/2003EP1321640A2 Silencer with exhaust gas after-treatment system
06/25/2003EP1321639A2 Silencer arrangement
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