Patents for F01N 1 - Silencing apparatus characterised by method of silencing (8,998)
11/1996
11/27/1996EP0744536A2 Silencer
11/26/1996US5578277 Modular catalytic converter and muffler for internal combustion engine
11/21/1996WO1996036796A1 A silencer with incorporated catalyst
11/20/1996CN2240614Y Screw pipe silencer for motorcycle
11/20/1996CN2240613Y Silencer for internal combustion engine
11/20/1996CN2240612Y Silencer
11/14/1996DE19517364A1 Filling appts. for acoustic insulation spaces
11/13/1996EP0742545A2 Interference noise-control unit
11/12/1996US5574264 Active exhaust-noise attenuation muffler
11/06/1996EP0740739A1 Catalyst muffler system
11/06/1996CN2239507Y Silencing hot air appts.
11/05/1996US5571242 Engine airflow system and method
11/05/1996US5571239 Noise control apparatus for internal combustion engine
10/1996
10/31/1996WO1996034186A1 Muffler for air operated reciprocating pumps
10/24/1996WO1996033340A1 Process and device for facilitating the circulation of fluids in engine and compressor exhaust manifolds
10/23/1996EP0738370A1 Turbine sound reducer
10/17/1996WO1996032573A1 System for modifying operation of pneumatic tool
10/17/1996WO1996032572A1 A combined heat exchanger and silencer apparatus
10/17/1996WO1996032571A1 Exhaust silencer
10/10/1996WO1996031686A1 Silencer of various functions to gasoline-powered vehicles
10/09/1996EP0736674A1 Absorption member of mineral wool for acoustic insulation in an exhaust muffler, part therefor, its use, and method for producing it
10/09/1996CN2237117Y Exhausting gas silencer
10/08/1996US5562509 Watercraft catalytic exhaust system
09/1996
09/25/1996EP0733785A2 Muffler controller for use in controllable exhaust system of internal combustion engine
09/25/1996EP0733784A2 Muffler controller for use in controllable exhaust system of internal combustion engine
09/25/1996EP0733157A1 Exhaust system for a diesel engine
09/24/1996US5559310 Muffler for air operated reciprocating pumps
09/24/1996US5559308 Perpendicularly joined structure with thin-walled plates and thin-walled tubes and the method of manufacture
09/19/1996DE19610292A1 Active noise reduction appts. for motor vehicle
09/18/1996EP0732486A2 Stamp formed muffler with nested chambers
09/18/1996CN2235506Y Multi row column type silencing apparatus
09/17/1996US5556314 Exhaust system for watercraft
09/17/1996US5556255 Integral threaded turbine outlet
09/11/1996EP0731259A2 Stamp formed muffler with siphon tube
09/11/1996EP0731257A2 Combination muffler and catalytic converter
09/04/1996CN2234505Y Multi-plate micro-resistance silent slow-closing butterfly check valve
09/03/1996CA2050996C Acoustic system with transducer and venturi
08/1996
08/28/1996CN1032664C Silencing equipment of small motor bicycle
08/27/1996US5550337 Exhaust system for a small planing craft
08/27/1996US5550336 Turbine sound reducer
08/27/1996US5550334 Actively sound reduced muffler having a venturi effect configuration
08/27/1996US5548955 For treating the exhaust gases of an internal combustion engine
08/22/1996WO1996025599A1 Integral threaded turbine outlet
08/22/1996WO1996025590A1 Muffler
08/22/1996WO1996025589A1 Spark arresting structure
08/20/1996US5548093 Low noise hose
08/14/1996EP0725965A1 An active noise cancellation muffler for a motor vehicle
08/13/1996US5545860 Discharge muffler for an automotive compressor and method for making same
08/08/1996DE19503322A1 Noise absorber with variable damping characteristic, for pulsed gas flow, especially exhaust silencers
08/07/1996EP0724761A1 An active noise cancellation apparatus for a motor vehicle
08/07/1996CN2232486Y Large-hole reduction voltage dissipative muffler
08/06/1996US5542249 Exhaust apparatus
08/01/1996WO1996023295A1 Active noise control device
08/01/1996WO1996023133A1 Catalytic method
08/01/1996CA2186346A1 Catalytic method
07/1996
07/31/1996EP0704116A4 Piezoelectric driven flow modulator
07/31/1996CN2232080Y Silencer for engine
07/30/1996US5541373 Active exhaust silencer
07/24/1996EP0723123A1 Sound-damped combustion system, and damper for such a system
07/16/1996US5536189 Exhaust system for watercraft
07/11/1996DE19600515A1 Resonant sound damping system for inlet manifold of motor vehicle IC engine
07/10/1996EP0721080A1 Butterfly valve for hot fluid
07/10/1996EP0721059A2 Butterfly valve
07/10/1996CN1126525A Active sound damper
07/03/1996EP0719975A1 Sound dampening device at the end of conduits
07/03/1996EP0719914A1 Exhaust system for motor vehicles and an exhaust silencer forming part of the exhaust system
07/02/1996US5532439 Silencer assembly with acoustical modules therein
07/02/1996CA1338429C Air cooling system in an internal combustion engine
06/1996
06/26/1996EP0718539A2 Gas conveying element with soft walls to insulate from and attenuate noises propagating in main channels
06/26/1996CN2229973Y Silencing apparatus placed on side of gas channel
06/19/1996EP0653020B1 Device for attenuating standing waves in an induction intake system
06/12/1996CN2228979Y Exhauster for exhaust pipe
06/05/1996EP0714475A1 Muffler with intermediate sound-attenuating partition and method
06/05/1996CN2228641Y Solar energy heat absorbing box
05/1996
05/30/1996WO1996016258A1 Catalyst muffler system
05/30/1996WO1996016256A1 Water-cooled catalyst system
05/30/1996CA2179651A1 Catalyst muffler system
05/29/1996EP0714087A2 Resonator sound attenuator
05/28/1996US5521339 For coupling to an exhaust port of an internal combustion engine
05/28/1996US5519994 For the exhaust gases of an internal combustion engine
05/23/1996WO1996015361A1 Turbine sound reducer
05/23/1996DE19541295A1 Geräuschereduzierungsgerät für eine pneumatische Nagelmaschine Noise reduction device for a pneumatic nailer
05/22/1996EP0713046A1 Silencing arrangement for pipelines
05/17/1996WO1996014499A1 Exhaust gas purification apparatus
05/17/1996WO1996014497A1 Resonance exhaust silencer
05/14/1996US5515832 Method of controlling internal combustion engine exhaust hydrocarbons
05/09/1996DE4439705A1 Pressure pulsation reduction system for automobile exhaust pipe
05/09/1996DE4439704A1 Pressure pulsation reduction device for ic engine exhaust pipe
05/08/1996EP0710946A1 Double-walled active noise suppression device
05/08/1996EP0710767A1 Exhaust system of internal combustion engine
05/07/1996US5515444 Active control of aircraft engine inlet noise using compact sound sources and distributed error sensors
05/02/1996WO1996012877A1 Catalytic converter having a venturi formed from two stamped components
05/02/1996DE19540099A1 Active noise reduction system for automobile
05/01/1996EP0709555A1 Silencer, in particular resonator silencer, catalyst or the like
05/01/1996EP0708881A1 Silencer for internal combustion engines, in particular single-cylinder diesel engines
05/01/1996EP0708880A1 Fishbone standardised silencers for (internal) combustion engines
05/01/1996CN2226149Y Filtering silencer for air compressor
04/1996
04/30/1996US5513266 Integral active and passive silencer
04/24/1996EP0707737A1 Active sound damper
04/23/1996US5509947 Supplemental spark arrester and silencer
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