Patents for F01N 1 - Silencing apparatus characterised by method of silencing (8,998)
04/1996
04/18/1996WO1996011465A1 Active control of aircraft engine inlet noise using compact sound sources and distributed error sensors
04/18/1996CA2200296A1 Active control of aircraft engine inlet noise using compact sound sources and distributed error sensors
04/17/1996CN2224917Y Water-oil cilencer of IC engine
04/17/1996CN1120629A Silencing apparatus
04/11/1996WO1996010687A1 Resonator
04/10/1996EP0705961A1 Exhaust silencer
04/10/1996CN2224287Y Multi-tube steam-air emptying silencer
04/10/1996CN2224286Y Computer silencer
04/04/1996DE4435296A1 Vehicle with IC engine
04/03/1996EP0704617A1 Acoustic absorber
04/03/1996EP0704116A1 Piezoelectric driven flow modulator
04/02/1996US5504281 Perforated acoustical attenuators
03/1996
03/28/1996DE19534841A1 Silencing insert for IC engine exhaust silencer
03/27/1996CN2223354Y Wide band resistant dissipative muffler against low and middle frequency noise wide band
03/26/1996US5502283 Muffler
03/21/1996DE19532291A1 Exhaust silencer for vehicular IC engine
03/19/1996US5500494 System for modifying operation of pneumatic tool
03/14/1996DE4431484A1 IC engine exhaust silencer with integrated exhaust purifying stage
03/12/1996US5499301 Active noise cancelling apparatus
03/05/1996US5496975 Plug muffler for aircraft and method of construction thereof
03/03/1996CA2153855A1 Acoustic quarter wave tube absorber
02/1996
02/29/1996DE4430486A1 Air outlet silencer for silo
02/28/1996EP0470153B1 Active sound and/or vibration control
02/20/1996US5493616 Vehicle internal noise reduction system
02/20/1996US5493615 Piezoelectric driven flow modulator
02/20/1996US5493080 External arrangement for damping sounds in a pipe system
02/20/1996US5492677 Particulates such as dust and soot are electrostatically negatively charged and collected in filter by coulombic force; nox gases are converted into nitrogen and carbon dioxide
02/20/1996US5492195 Muffler traversed by a fluid
02/14/1996CN2219960Y Exhaust apparatus and silencer for internal combustion engine
02/08/1996DE4427459A1 IC engine exhaust layout with silencer
02/07/1996EP0695858A1 Catalytic converter and silencer exhaust system
02/06/1996US5489753 To reduce the noise of incoming air
02/01/1996WO1996002740A1 Improvements in or relating to exhaust silencers
01/1996
01/30/1996US5488667 Vehicle internal noise reduction system
01/25/1996WO1996001921A1 High efficiency vessels for bleaching lignocellulosic, cellulosic and synthetic polymeric fibrous materials
01/25/1996DE4445794C1 Gas-duct inner tube externally joined to heavy metal formers
01/25/1996CA2194882A1 High efficiency vessels for bleaching lignocellulosic, cellulosic and synthetic polymeric fibrous materials
01/17/1996EP0692617A1 Advance mechanism
01/17/1996EP0692616A1 Preformed sound-absorbing material for engine exhaust muffler
01/17/1996EP0556262B1 Motor vehicle muffler
01/16/1996CA2037760C Glass fiber, glass fiber-reinforced synthetic resin product and component of an exhaust system for an internal combustion engine
01/10/1996CN2217105Y Silencing apparatus
01/04/1996DE19522935A1 Modular catalyst and exhaust system, esp. for large diesel engines
01/03/1996EP0690212A1 A method for utilising a silencer unit and an arrangement for applying the method in a large diesel engine
01/02/1996US5479706 Method for manufacturing silencer and apparatus for manufacturing same
12/1995
12/28/1995WO1995035435A1 Exhaust silencer
12/26/1995US5478531 Having layer of carbon particles or carbon fibers to absorb sound and convert nitrogen oxides to nitrogen and oxygen
12/20/1995CN2215592Y Sound damper for centrifugal machine
12/19/1995US5477015 Vehicular muffler with improved mechanical lock joints
12/13/1995EP0686758A1 Three-piece stamp formed connector for achieving equal length exhaust pipes
12/12/1995US5475189 Condition responsive muffler for refrigerant compressors
12/12/1995US5473891 Three-piece stamp formed connector for achieving equal length exhaust pipes
12/12/1995CA2015884C Emission control apparatus
12/07/1995DE4418959A1 Vehicle IC engine exhaust damper
11/1995
11/29/1995EP0683849A1 A silencer.
11/21/1995US5468923 Molded muffler
11/16/1995WO1995030393A1 Active noise cancelling muffler
11/16/1995DE4416739A1 Device for sound reduction in IC engines
11/15/1995EP0682172A1 Exhaust silencer
11/15/1995EP0588837B1 Tuned engine manifold
11/14/1995US5466899 Arrangement for active sound damping
11/07/1995US5464952 Shield between vehicle exhaust and passenger compartment
11/07/1995US5464357 Jet pump exhaust system
11/07/1995CA2030407C Stamp formed muffler with low back pressure
10/1995
10/31/1995US5461777 Apparatus for manufacturing a silencer
10/30/1995CA2147209A1 Integral active and passive silencer
10/26/1995DE19514829A1 Exhaust silencer with inner, outer pipe and damping layer
10/10/1995US5457749 For suppressing noise emitted through an engine's exhaust
10/10/1995US5457290 Catalyzer-containing muffler
10/04/1995EP0674747A1 Silencer
10/03/1995CA2003951C Light weight hybrid exhaust muffler and method of manufacture
09/1995
09/27/1995EP0674097A1 Active exhaust gas muffler
09/27/1995CN1109196A Perforated acoustical attenuators
09/26/1995US5452577 Exhaust gas system for an internal combustion engine
09/19/1995US5451728 Muffler for two-cycle internal combustion engine and method of assembly
09/12/1995US5449866 Arrangement for damping sound in a pipe system
09/12/1995US5448831 Method of manufacturing a stamp formed muffler with hermetically sealed laminated outer shell
09/03/1995CA2123870A1 Exhaust mufflers with stamp formed internal components and method of manufacture
08/1995
08/29/1995US5446790 Intake sound control apparatus
08/29/1995US5446249 Dry acoustic system preventing condensation
08/22/1995US5444197 Muffler with intermediate sound-attenuating partition and method
08/16/1995EP0634919A4 Active noise-cancellation system for automotive mufflers.
08/16/1995EP0516705B1 Active control of machine performance
08/16/1995CN1106915A Refrigerator
08/15/1995US5441023 Tuned engine manifold
08/15/1995CA2077163C Combination muffler and catalytic converter
08/10/1995DE19500781A1 Exhaust system for IC engine with two pre=silencer exhaust pipes
08/09/1995EP0666408A1 Muffler, in particular exhaust gas muffler for vehicle heating system independent of the engine
08/08/1995US5440083 Exhaust muffler for internal combustion engine
07/1995
07/26/1995EP0664659A2 Perforated acoustical attenuators
07/26/1995EP0664380A1 Muffler
07/25/1995US5435699 Accumulator for air conditioning system
07/22/1995CA2139288A1 Perforated acoustical attenuators
07/18/1995US5434783 Active control system
07/18/1995US5434374 Detachable filter and muffler device
07/11/1995US5432857 Dual bandpass secondary source
07/11/1995US5431013 Engine exhaust apparatus
07/11/1995US5431008 Active control of machine performance
07/05/1995CN1104727A Rotary throat cutoff device and method for reducing centrifugal fan noise
07/04/1995US5429010 Apparatus for exchanging measuring and/or sample probes
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