Patents for F01N 1 - Silencing apparatus characterised by method of silencing (8,998)
10/2000
10/25/2000EP0975859A4 Improved muffler with partition array
10/25/2000CN2402808Y High-efficiency energy-saving silencer for motorcycle
10/25/2000CN2402807Y Silencer for motorcycle
10/24/2000US6135237 Stamp-formed muffler
10/19/2000WO2000061925A1 Exhaust system with exhaust flap for an internal combustion engine with at least two exhaust branches
10/19/2000DE19915789A1 Abgasklappe Exhaust flap
10/18/2000EP1045180A2 Butterfly valve for hot fluid
10/18/2000CN2401700Y Sound silencing atomizer for cable gasing machine
10/18/2000CN2401697Y Air cooling apparatus with silencer for transformer
10/17/2000US6131696 Multiple inlet muffler
10/11/2000CN2400579Y Glass fiber needlign felt silencer inner core
10/04/2000CN2399511Y Four stroke motorcycle siliencer
10/04/2000CN1268619A Vibration movement type internal combustion engine sound-absorbing structure
10/04/2000CN1268456A Pipe fixing method and main frame of motor bicycle
09/2000
09/21/2000DE19911338A1 Brennkraftmaschine mit einer Abgasregelvorrichtung Internal combustion engine with an exhaust gas control apparatus
09/20/2000EP1036919A2 Internal combustion engine with an exhaust gas regulation device
09/20/2000CN1266942A Exhaust gas filter for car
09/14/2000DE19910271A1 Reciprocating piston engine has oil pump and oil reservoir integrated in crankcase to reduce overall size
09/13/2000EP1034360A1 Sound muffling material and method of making thereof
09/13/2000CN2396188Y Conic silencer
09/13/2000CN2396187Y Venturi type single cylinder diesel engine exhausting silencer
09/13/2000CN2396186Y Exhausting silencer for single cylinder diesel engine
09/12/2000US6116377 Sound attenuation devices for internal combustion engines
09/12/2000US6116376 Structure of a muffler
09/08/2000WO2000052312A1 Multi-chambered muffler
08/2000
08/31/2000WO2000050742A2 Resonator
08/30/2000EP1031710A1 Exhaust assembly structure
08/30/2000EP1031708A1 Module for an exhaust gas system
08/30/2000EP1030962A1 Silencer
08/30/2000CN2394008Y Miniporous silencer for IC engine of machinery
08/29/2000US6109387 Silencer for gas discharge devices
08/29/2000US6109026 Muffler with catalytic converter
08/24/2000DE19907645A1 Sound damping housing absorption chamber filling, consists of pellets formed by compressing a basalt wool and adding an adhesive which hardens.
08/23/2000EP1030039A1 Semi-active muffler for internal combustion engine
08/23/2000EP1029162A1 Muffler with gas-dispersing shell and sound-absorption layers
08/23/2000EP1029161A1 Device and method for sound-attenuating units
08/23/2000CN2392917Y Environment-protection type exhausting-silencing device for internal combustion engine
08/23/2000CN2392916Y 消音器 Silencer
08/23/2000CN1264333A Shaped multilayer metal foil shield structures and method of making
08/22/2000US6105717 Pipe section punning along a curve
08/17/2000WO2000047877A1 The method of neutralization of used gases and reduction of the noise of exhaust of internal combustion engine and device for its execution (variants)
08/17/2000DE10005645A1 Silencer for internal combustion engine, with specified ratios for outlet tube clearance
08/16/2000CN1263498A Flexible corrugated multilayer metal foil shields and method of making
08/15/2000US6102154 Muffler
08/10/2000WO2000046491A1 Muffler for internal combustion engine
08/10/2000WO2000045673A1 Pneumatic system sound attenuator
08/09/2000EP1025923A1 Production method for double-structure container
08/09/2000CN1262198A Bicycle with internal combustion engine
08/08/2000US6098745 Dome muffler
08/03/2000DE19903102A1 Sound absorber consists of gas feed and discharge pipes leading to and from housing containing intermediate walls or pipes, with valve, coil and spring
08/02/2000CN2390028Y Load reducing and silencing device for air compressor
08/01/2000US6094817 Method for filling a silencer with sound insulating material
08/01/2000US6094774 Silencer for a suction cleaner
08/01/2000CA2049332C Active sound and/or vibration control
07/2000
07/27/2000WO2000043094A2 System for neutralising polluting gases by pyrolysis
07/27/2000DE19902212A1 Perforated pipe especially for outdoor use has elongated slots and has reduced diameter at center of slots
07/27/2000DE19901150A1 Verfahren und Vorrichtung zur Herstellung eines Absorptionsschalldämpfers Method and apparatus for manufacturing an absorption silencer
07/27/2000DE10002593A1 Engine exhaust device for motorcycle, with dividing element forming at least two exhaust gas channels, one of which is controlled by valve mechanism
07/27/2000CA2359044A1 System for neutralising polluting gases by pyrolysis
07/26/2000EP1022505A1 Air flow generated noise reducing means, its manufacturing process and applications
07/26/2000EP1021686A1 An improved sound attenuating device
07/26/2000EP1021644A1 Waste gas heat exchanger
07/26/2000CN2389236Y Silencing pipe for motorcycle
07/26/2000CN1261422A Silencer casing and pertaining catalyst support with a retaining element and method for the production thereof
07/20/2000WO2000042301A1 Method and device for producing an absorption silencer
07/19/2000CN1260861A Tube end closure
07/19/2000CN1260447A Exhausting silencing apparatus for air-tight rotary compressor
07/18/2000US6089348 Blower noise silencer
07/18/2000US6089347 Muffler with partition array
07/18/2000US6089346 Muffler with acoustic barrier material for limited clearance pneumatic device applications
07/13/2000WO2000040841A1 Perforated end pipe of silencer unit
07/12/2000EP1017936A1 Silencer with a bypass resonator
07/12/2000EP0823016B1 A combined heat exchanger and silencer apparatus
07/05/2000EP1016070A2 Sound reduction method and system for jet engines
07/05/2000EP1015753A1 Intake-exhaust manifold bridge noise attenuation system and method
07/05/2000EP1015741A1 Method for treating an internal combustion engine exhaust gases and associated exhaust line
07/05/2000EP1015739A1 Noise attenuating apparatus
07/05/2000EP0895562B1 Exhaust assembly for use with combustion engines, and vehicle provided with such assembly
07/04/2000US6082488 Muffler for vehicles
07/04/2000US6082487 Mufflers for use with engine retarders; and methods
06/2000
06/29/2000DE19861018A1 Gesteuerter akustischer Wellenleiter zur Schalldämpfung Controlled acoustic waveguide for sound attenuation
06/28/2000CN2385090Y Universal noise silencer for motorcycle
06/27/2000US6079516 Auto-matic back pressure relief muffler
06/22/2000WO2000036589A1 Controlled acoustic waveguide for soundproofing
06/22/2000WO2000008315A9 Exhaust muffler comprising a catalytic converter
06/21/2000EP1010869A1 Sound insulation insert for a silencer, silencer and method of manufactoring the same
06/21/2000EP1010868A2 Cross flow baffle muffler
06/21/2000CN2384004Y Filtering silencer for air-compressor
06/21/2000CN2383981Y Exhausting silencer for diesel engine
06/20/2000US6078671 Silencer for attenuating a sound or noise transmitted through an air passage of a duct
06/20/2000US6076632 Cross flow baffle muffler
06/14/2000EP1007854A1 Pulsation damper
06/13/2000CA2076351C Active control of machine performance
06/08/2000WO2000032910A1 Noise suppressing device
06/08/2000DE19953307A1 Auspuff-Schalldämpfer Exhaust muffler
06/08/2000DE19855708A1 Acoustic tubular damper has outer casing, inner pipe with transverse lot and rectangular cavity, knitted fabric damping and volume cavities
06/07/2000CN2381786Y Automotive purifying silencer
06/06/2000US6072880 Modular active silencer with port dish
06/06/2000US6070695 Silencer
06/02/2000WO2000031403A1 Device for discharging flowing gases from pipes
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