F01N 1 - Silencing apparatus characterised by method of silencing

Patents for F01N 1 - Silencing apparatus characterised by method of silencing (8,998)
11/2004
11/25/2004	DE10319318A1 Schalldämpfer für ein Fahrzeugtemperiergerät Silencer for a Fahrzeugtemperiergerät
11/25/2004	CA2525477A1 Sound-attenuating muffler having reduced back pressure
11/24/2004	EP1478829A1 Exhaust line and motor vehicle equipped therewith
11/24/2004	EP1021686B1 An improved sound attenuating device
11/24/2004	CN2658408Y Vehicle noise silencer assembly
11/24/2004	CN2658369Y Pneumatic rock drilling machine
11/24/2004	CN1549890A Muffler shell filling process, muffler filled with fibrous material and vacuum filling device
11/24/2004	CN1177139C Compressor sliencer
11/23/2004	US6821491 Due to the use of the retaining element, no jacket tube is required for the catalyst carrier body which enables the carrier body to be built into a muffler casing both directly and easily
11/18/2004	WO2004099576A1 Mufflers with enhanced acoustic performance at low and moderate frequencies
11/18/2004	US20040226289 Exhaust containment system
11/18/2004	US20040226286 Process for controlled addition of a reducing agent into nitrogen oxides containing exhaust gas
11/17/2004	EP1477655A1 Process for controlled addition of a reducing agent into nitrogen oxides containing exhaust gas
11/17/2004	EP1477642A1 Internal combustion engine silencer
11/13/2004	CA2467178A1 Process for controlled addition of a reducing agent into nitrogen oxides containing exhaust gas
11/11/2004	WO2004097188A1 High performance muffler
11/11/2004	US20040225293 Apparatus for containing noise generated by a pneumatically powered surgical instrument and related method
11/11/2004	DE202004011630U1 Geräuschdämpfer für Drucklufteinrichtungen Silencer for compressed air equipment
11/10/2004	EP1475522A2 Combined exhaust gas treating/sound attenuation device in the exhaust line of an internal combustion engine
11/10/2004	EP1475520A1 Improved acoustic silencer
11/10/2004	CN2654874Y Exhaust sound suppressor for IC engine
11/10/2004	CN2654873Y Pressure return structure for vehicle exhaust pipeline
11/04/2004	WO2004094793A1 Muffler and catalytic converter devices
11/04/2004	US20040216951 High performance muffler
11/04/2004	US20040216950 Muffler with variable acoustic properties
11/04/2004	DE102004015901A1 Lader mit mehreren Rückströmungskanälen zur Geräuschkontrolle Loader with multiple back-flow channels for noise control
11/04/2004	DE102004015006A1 Motorrad Motorcycle
11/03/2004	EP1473444A1 Silencer for vehicle heating/cooling device
11/03/2004	CN2653142Y Vertical IC engine exhaust gas silencer
11/03/2004	CN1542263A Muffler with variable acoustic properties
11/02/2004	US6811372 Device at an acoustic liner
11/02/2004	US6810992 Sound producing vehicle exhaust system
11/02/2004	CA2168755C Muffler with intermediate sound-attenuating partition and method
10/2004
10/30/2004	CA2427306A1 Sound muffling apparatus for air operated equipment
10/28/2004	WO2004092589A1 Silencer for pneumatic device
10/28/2004	US20040211172 Muffler and catalytic converter devices
10/28/2004	DE10316799A1 Kombinierte Abgasnachbehandlungs-/Schalldämpfungsvorrichtung im Abgasstrang einer Brennkraftmaschine Combined exhaust-gas aftertreatment / sound-attenuation device in the exhaust system of an internal combustion engine
10/28/2004	DE10316628A1 Device for airborne noise reduction of flow noises in pipe systems has pipe connector widened in diameter by suitable deformation and then upsetted in axial direction so that volume open to inside of pipe is formed around pipe
10/27/2004	EP1470360A1 A fluid flow controller
10/27/2004	CN2651449Y Reverse silencer
10/27/2004	CN2651448Y Double-cylinder silencer of motorcycle
10/27/2004	CN2651447Y Silencer of diesel engine
10/27/2004	CN1540142A Damping type exhaust muffler of car
10/27/2004	CN1540141A Optimized design of general muffler possessing five cavities
10/26/2004	US6809050 Textile and reinforcements as sound absorbing material in engine exhaust mufflers; formed into glass fiber using low cost direct melting due to relatively low viscosity; sio2, al2o3, iia oxides, 0 to 5 mole % zro2, 0 to 3% alkali
10/26/2004	US6808433 Exhaust system located on one side of the hull of a personal watercraft
10/21/2004	WO2004090295A1 Method and device of a particle for an exhaust system, silencer including such a device, and a combustion engine driven vehicle
10/21/2004	US20040208803 Honeycomb body, exhaust system having the honeycomb body and method for muffling sound in the exhaust system of an internal combustion engine
10/21/2004	US20040206573 Muffler exhaust tip
10/21/2004	US20040206564 Motorcycle
10/21/2004	US20040206073 Exhaust muffler and muffler system for use with an internal combustion engine
10/21/2004	DE10316802A1 Kombinierte Abgasnachbehandlungs-/Schalldämpfungsvorrichtung im Abgasstrang einer Brennkraftmaschine Combined exhaust-gas aftertreatment / sound-attenuation device in the exhaust system of an internal combustion engine
10/20/2004	CN2649785Y Motorcycle exhaust pipe
10/20/2004	CN1539053A Contraction limiter for honeycomb body
10/20/2004	CN1172144C Refrigerator
10/14/2004	WO2003002852A3 Reverse flow catalytic muffler
10/14/2004	US20040202591 Combination exhaust gas post treatment/muffler device in the exhaust gas section of an internal combustion engine
10/14/2004	US20040202590 Combination exhaust gas post treatment/muffler device in the exhaust gas section of an internal combustion engine
10/14/2004	US20040200664 Muffin fan hush hood
10/14/2004	DE202004013219U1 Exhaust silencer for an internal combustion engine comprises an inlet pipe passing through a wire catalyst and through which an exhaust gas flows against the direction of flow from a deviating chamber
10/13/2004	EP1467070A1 Combined exhaust gas treatment/silencer device in an exhaust line of an internal combustion engine
10/13/2004	CN1536207A Combined waste gas after-treatment nose-eliminating equipment in waste gas pipeline of internal combustion engine
10/13/2004	CN1171007C Purifying system for high power output and low-temp tail gas discharge of IC engine
10/12/2004	US6802690 Outlet silencer structures for turbine
10/12/2004	US6802388 Silencer or noise damper
10/07/2004	US20040194766 Supercharger with multiple backflow ports for noise control
10/07/2004	US20040194457 Exhaust system for a multi-cylinder internal combustion engine
10/06/2004	CN2646393Y Four-chamber impedance composite type exhaust muffler of engine
10/06/2004	CN2646392Y Tri-chamber impedance composite type exhaust muffler of engine
10/05/2004	US6800005 Exhaust system for a small watercraft
10/05/2004	US6799657 Absorptive/reactive muffler for variable speed compressors
10/05/2004	US6799423 Adjustable exhaust system for internal combustion engine
10/03/2004	CA2437907A1 Exhaust gas treating device
09/2004
09/30/2004	WO2004083799A1 Noise reducing device
09/30/2004	US20040187456 Filter assembly, process for producing the filter assembly and filter body having the filter assembly
09/30/2004	DE10311201A1 Schalldämpfer mit variabler Dämpfungscharakteristik Muffler with variable damping characteristic
09/29/2004	EP1461513A2 Silent gas expansion diffuser
09/29/2004	EP1280966B1 Insulating preform and method of manufacture
09/29/2004	CN2644683Y Muffler with expansion chambers in multiples of exhaust vent number
09/28/2004	US6796403 Exhaust system baffling apparatus
09/28/2004	US6796402 Muffler having isolated dual flow baffle structure
09/23/2004	US20040182643 Muffler
09/23/2004	DE19500781B4 Abgasanlage für Verbrennungsmotoren Exhaust system for internal combustion engines
09/23/2004	DE10311488A1 Exhaust system for motor vehicle engine, has rough surface with depth of 1.6 micrometers or less formed on area of outer surface of system component such as manifold, exhaust gas guide pipe, catalytic converter, muffler, and tail pipe
09/23/2004	DE10311236A1 Exhaust gas treatment unit, useful for reducing automobile pollutant emissions, has connector, such that gas passes through forward flow zone of honeycomb structure and then through backflow zone
09/23/2004	DE102004007717A1 Helmholtz-Resonator Helmholtz resonator
09/22/2004	EP1460243A1 Acoustic silencing system
09/22/2004	EP1458957A1 Silencer gas expanding device
09/22/2004	CN1530523A Silencer with variable damp characteristics
09/21/2004	US6792907 Helmholtz resonator
09/16/2004	WO2004078581A2 Sound insulation for outboard motors
09/16/2004	US20040178016 Exhaust silencer for internal combustion engine
09/16/2004	US20040178015 Muffler with variable damping characteristic
09/16/2004	US20040177980 Pneumatic tool muffler
09/16/2004	CA2514721A1 Sound insulation for outboard motors
09/15/2004	EP1457293A1 Pneumatic tool muffler
09/15/2004	EP1456571A2 Sound absorbing device in a pipe duct
09/15/2004	EP1456513A1 Device and method for dampening noise in the exhaust system of an internal combustion engine
09/15/2004	EP1456510A1 Turbine noise absorber
09/14/2004	US6789644 Engine muffler

1 ... 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 ... 90