Patents for F01N 1 - Silencing apparatus characterised by method of silencing (8,998)
10/2002
10/24/2002US20020153187 Exhaust system structure for motorcycle
10/24/2002US20020153181 Ventilable Silencer Unit for Vehicle
10/24/2002US20020152747 Two-stroke internal combustion engine
10/23/2002EP1251246A2 Apparatus for controlling exhaust gas in internal combustion engine
10/23/2002EP1099045B1 Device and method for reducing the noise emissions of internal combustion engines and for diagnosing the same
10/23/2002CN2517876Y Smoke silencer of gas turbine
10/23/2002CN2517875Y High temp exhaust silencing equipment
10/23/2002CN1376233A 两冲程内燃发动机 Two-stroke internal combustion engine
10/22/2002US6467572 Muffler
10/22/2002US6467571 Sound absorbing material, muffler using the sound absorbing material, and method for forming sound absorbing layer thereof
10/22/2002US6467570 Spark arrester with spark filter
10/22/2002US6467569 Spark arresting muffler with exhaust path parallel to muffler centerline
10/22/2002CA2054962C Muffler and method for fabricating the same
10/17/2002US20020151231 Watercraft catalytic exhaust system
10/17/2002US20020150742 Flexible corrugated multilayer metal foil shields and method of making
10/17/2002US20020148679 Transverse partition for exhaust volume
10/16/2002CN2516701Y Exhaust silencing apparatus for engine
10/16/2002CN2516700Y Bellow silencer
10/16/2002CN1092754C Exhaust muffler
10/10/2002WO2002078911A1 Pneumatic tool with muffler bypass mechanism
10/10/2002US20020144860 System and method for phased noise attenuation
10/10/2002US20020144803 Exhaust gas cooler
10/10/2002DE10117161A1 Exhaust installation for internal combustion engine has first and second pipe with apertures in at least one wall part inside housing and with absorption material between this part and the housing
10/09/2002EP1247955A1 Exhaust system structure for motorcycle
10/09/2002EP0868596B1 Sound suppressor exhaust structure
10/09/2002CN2515427Y Nagative pressure environmental protection noise siliencer
10/08/2002US6460248 Method of sheet metal construction for thin boom tube exhaust pipes
10/03/2002WO2002077425A1 Exhaust processor with renewable particulate eliminator
10/03/2002US20020139660 Exhaust systems comprising voltage supplied to a dielectric first grid by an electrical induction generating electrical charges between the grid to ionize electrically the gas stream; treating at a second chamber having strata autosstrata
10/03/2002US20020139564 Emission control device and method
10/03/2002US20020139547 Pneumatic tool with muffler bypass mechanism
10/02/2002EP1244867A2 Flow switch
10/02/2002DE10111886A1 Abgaskühlelement für einen Abgasstrang einer Brennkraftmaschine Exhaust cooling element for an exhaust system of an internal combustion engine
10/02/2002CN2514121Y Improved structure exhaust pipe
10/02/2002CN2514120Y Improved structure exhaust pipe
10/02/2002CN1372071A Pneuamtic wave countervailed waste gas recirculation exhausting silencer system for internal combustion engine
10/02/2002CN1091837C 消音器 Silencer
10/01/2002US6457555 Sound muffling material and method of making thereof
10/01/2002US6457553 Low cost muffler
10/01/2002US6457552 Methods and apparatus for low back pressure muffling of internal combustion engines
10/01/2002US6457551 Replaceable muffler structure with an adjustable length
10/01/2002CA2211607C Muffler with stamped internal plates defining tubes and separating chambers
09/2002
09/26/2002WO2002075126A1 Method and device for production of a honeycomb body and honeycomb bodies
09/26/2002WO2002075122A1 Process for filling a muffler shell with fibrous material
09/26/2002US20020134614 Structure of a muffler at the rear of exhaust pipe
09/25/2002CN1371450A Muffler with acoustic absorption insert for limited clearance pneumatic device applications
09/25/2002CN1371449A Muffler with acoustic barrier material for limited clearance pneumatic device applications
09/24/2002US6454047 System and method for phases noise attenuation
09/24/2002US6453695 Dual length inlet resonator
09/19/2002US20020133566 Enhanced multimedia mobile content delivery and message system using load balancing
09/19/2002US20020129991 Process for filling a muffler shell with fibrous material
09/19/2002US20020129990 Environmentally protected microphone for an active noise control system
09/19/2002DE10209577A1 Silencer for motorcycle engines comprises a silencer housing connected to an exhaust gas pipe and divided by separators into expansion chambers
09/18/2002EP1241660A2 Environmentally protected microphone for an active noise control system
09/18/2002EP1241328A1 Exhaust gas cooling element for an exhaust system of an internal combustion engine
09/17/2002USRE37848 Exhaust cleaning system for marine propulsion engine
09/17/2002US6451447 Shaped multilayer metal foil shield structures and method of making
09/17/2002US6451097 Air treatment plant provided with noise attenuation means
09/12/2002DE10111369A1 Damper insert for exhaust systems of esp. imported motor vehicles has two chambers connected via expansion chamber with perforated section
09/11/2002EP1060328B1 A silencer
09/11/2002CN1368594A Method and apparatus for reducing pressure of high-pressure fluid and attenuating pulse energy of fluid in channel
09/10/2002US6446750 Process for filling a muffler shell with fibrous material
09/10/2002US6446322 Method and apparatus for sealing canisters
09/05/2002US20020121526 Method and device for inserting fibers in expanded form into a cavity or depositing them on a surface
09/05/2002US20020121404 Method and apparatus for improved noise attenuation in a dissipative internal combustion engine exhaust muffler
09/04/2002EP1236871A1 Device for inserting expanded fibres in a cavity or for laying on a surface
09/04/2002EP1236197A1 Device for soundproof covering
09/04/2002EP1235976A2 Apparatus for treating a gas stream
09/04/2002EP1029161B1 Device and method for sound-attenuating units
09/04/2002CN1090280C Noise attenuating apparatus
09/04/2002CN1090279C Lubricating device for vehicle engine
09/03/2002US6443255 Marine muffler
09/03/2002US6442933 Device for catalytic exhaust gas purification
09/02/2002CA2371331A1 Device for inserting expanded fibers in a cavity or depositing them on a surface
08/2002
08/29/2002WO2002066800A1 Soundproofing material for exhaust silencers that expands at a certain temperature
08/29/2002WO2002066799A1 Air turbine for combustion engine
08/29/2002WO2002066798A1 Apparatus for damping resonance in a conduit
08/29/2002CA2438535A1 Air turbine for combustion engine
08/22/2002WO2002064957A1 Housing or tube for hot pulsating gases
08/22/2002WO2002064953A1 Silencer and exhaust gas system comprising a silencer
08/22/2002US20020112915 Muffler/exhaust extractor
08/21/2002EP1232332A1 Device for selectively cooling a motor vehicle engine exhaust gases
08/21/2002CN2506774Y Blade type silencer
08/21/2002CN1364981A Compressor silencer
08/20/2002US6435302 Motor vehicle muffler
08/14/2002EP1231362A2 Valve structure for engine exhaust system
08/14/2002DE10106590A1 Schalldämpfer Silencer
08/08/2002WO2002060763A2 Fibrous material filled muffler and its filling
08/08/2002US20020106312 Better distribution of exhaust gas flow by taking advantages of chemical, dynamic fluid flow and acoustic principles in a combination which results in superior reduction of noise and air pollution.
08/08/2002US20020104708 Exhaust system having angled baffle
08/08/2002US20020104707 Acoustic muffler for turbine engine
08/08/2002US20020104503 Valve structure for engine exhaust system
08/08/2002DE10105000A1 Verfahren zum Befüllen von Schalldämpfergehäusen mit Endlosfasern A method for filling silencer casings with continuous fibers
08/07/2002EP1229297A2 Exhaust gas cooler, more especially for engines in automotive vehicles
08/07/2002EP1229220A2 Exhaust gas system
08/06/2002US6427802 Muffler
08/06/2002US6427801 Apparatus for reducing noise in the jet engine
08/06/2002US6427645 Exhaust gas control mechanism for a two-stroke engine
08/01/2002WO2002059522A1 Method for reducing pressure and pulsant energy of high-pressure fluid in a flow pipe and device thereof
08/01/2002DE10106589C1 Schalldämpfer mit variabler Dämpfungscharakteristik Muffler with variable damping characteristic
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