Patents for F01N 1 - Silencing apparatus characterised by method of silencing (8,998)
01/1984
01/10/1984CA1160162A1 Muffler diffuser
12/1983
12/27/1983US4422525 Muffler
12/27/1983US4422519 Motorcycle engine exhaust system
12/27/1983CA1159372A1 Automobile sound insulating panel and apparatus for and method of making same
12/13/1983US4420063 Arrangement for reducing the suction and/or exhaust noises for rapid speed combustion machines
12/07/1983EP0095582A1 Sound insulated flow channel and method of making the same
12/06/1983US4418790 Method and apparatus for attenuating sound
11/1983
11/22/1983US4417098 Method of reducing the adaption time in the cancellation of repetitive vibration
11/22/1983US4416350 Muffler
11/16/1983EP0093842A1 Silencer for valve installations in compressed-air breaking systems
11/15/1983US4415059 Muffler
11/08/1983US4413705 Exhaust muffler for a two-cycle opposed cylinder engine
11/02/1983EP0092589A1 Exhaust silencer for internal combustion engine
10/1983
10/25/1983CA1155770A1 Method and apparatus for treating exhaust gases, particularly for air-operated tools
10/19/1983EP0091771A2 Muffler and method for retarding corrosion in mufflers
10/18/1983CA1155401A1 Lightweight muffler and method for muffling noise
10/18/1983CA1155400A1 Muffler
10/12/1983EP0091413A2 Container through which a gas flows, preferably a muffler, with fiberglass filling and method and apparatus for filling the same
09/1983
09/13/1983CA1153699A1 Exhaust system for a two-cycle engine
09/06/1983US4402714 Molecular sieves
08/1983
08/17/1983EP0085691A1 Method and apparatus for low frequency active attenuation.
08/09/1983CA1151554A2 Pneumatic motor
08/03/1983EP0084598A1 Sound absorber, particularly for compressed air devices
08/02/1983US4396090 Muffler
07/1983
07/20/1983EP0025033B1 Hydraulic noise attenuator
07/19/1983US4393956 Draining device used in a car-muffler
07/19/1983US4393652 Exhaust system for internal combustion engines
07/12/1983US4392549 Boiler noise suppressor
07/07/1983WO1983002302A1 Method and device for reducing the noise of combustion engines
06/1983
06/28/1983CA1148868A1 Exhaust tuning means for internal combustion engines
06/28/1983CA1148867A1 Diesel engine exhaust particulate trap
06/21/1983US4388976 Resilient mounting for engine enclosures
06/21/1983CA1148478A1 Silencer means for internal combustion engines
05/1983
05/11/1983WO1983001653A1 Exhaust silencer for internal combustion engine
05/03/1983US4381832 Exhaust silencer having an incorporated resonator for an internal combustion engine
04/1983
04/26/1983US4381045 Exhaust gas silencer for a heat engine
04/20/1983EP0077230A1 Gas flow modulation apparatus for an exhaust silencer of an internal-combustion engine
04/20/1983EP0077148A1 Improved exhaust system for automotive vehicle or the like
04/05/1983US4378859 Silencer for intake/exhaust gas duct
03/1983
03/16/1983EP0074220A2 Improvements in or relating to inserts for silencers
03/08/1983US4375841 Fluid flow apparatus for accommodating a pressure drop
02/1983
02/22/1983CA1141672A1 Engine exhaust muffler
02/17/1983WO1983000580A1 Method and apparatus for low frequency active attenuation
02/16/1983EP0072274A1 Reactive silencer or sound attenuator for a pulsating gas flow
02/15/1983CA1141302A1 Compressor muffler
02/08/1983US4372421 Vehicle exhaust system
02/01/1983US4371054 Flow duct sound attenuator
02/01/1983US4371053 Perforate tube muffler
01/1983
01/26/1983EP0070412A1 Muffler
01/26/1983EP0006955B1 Packless silencer
01/18/1983US4368799 Straight-through flow muffler
01/11/1983US4367808 Silencer
01/11/1983US4367807 Sound absorber for compressed-air operated apparatuses, in particular compressed air vibrators
01/11/1983CA1139232A1 Silencer for exhaust gases
01/05/1983EP0068368A1 Muffler
01/04/1983CA1138780A1 Compact exhaust silencer for diesel locomotives
12/1982
12/21/1982CA1137878A1 Silencer for aircraft piston engines
12/21/1982CA1137877A1 Packless silencer
11/1982
11/30/1982US4361206 Exhaust muffler including venturi tube
11/23/1982US4360076 Muffler
11/23/1982US4360075 Low back pressure exhaust silencer for diesel locomotives
11/23/1982US4359865 Exhaust system for multicylinder motorbike engine
11/16/1982US4359136 Muffler construction
11/16/1982US4359135 Muffler assembly
11/16/1982US4359134 Sound suppressor for fluid flow lines
11/02/1982US4356886 External housing for an exhaust muffler for internal combustion engines
11/02/1982US4356885 Chambered-core motorcycle-exhaust apparatus
10/1982
10/19/1982US4354349 Exhaust system for an internal combustion engine
10/14/1982WO1982003423A1 Compressed air-actuated hand tool
10/13/1982EP0062145A2 Powder actuated tool with gas venting handle
10/12/1982US4353434 Fluid blow-off muffler
10/06/1982EP0062009A2 A silencer for pneumatic equipment
10/05/1982US4352408 Device for conducting away the exhaust gases from internal combustion engines
09/1982
09/22/1982EP0060503A1 Muffler for an internal combustion engine
09/21/1982US4350223 Silencer
09/14/1982US4348862 Exhaust system for a two-cycle engine
09/08/1982EP0020508B1 Silencer for piston engine of on aircarft
09/01/1982EP0058662A1 Lightweight muffler and method for muffling noise
08/1982
08/31/1982US4346783 Apparatus for treating flowing working gases particularly to reduce the noise in operation thereof
08/11/1982EP0057623A2 Exhaust gas silencer of a heat engine
08/11/1982EP0057621A2 Sound damping device for gas tubes, especially for the blower of a turbo-reactor and apparatus for its production
08/03/1982US4342373 Muffler with three part welded joint
07/1982
07/27/1982US4341284 Silencer means for internal combustion engines
07/27/1982US4341283 Sound suppression system
07/20/1982CA1127975A1 Muffler
07/06/1982US4338284 Exhaust gas purifier
06/1982
06/29/1982US4336864 Silencer for an internal combustion engine
06/29/1982US4336863 Silencer in gas flow passage
06/08/1982US4333754 Anti-icing noise-suppressing vortex tube assembly
06/08/1982US4333544 Muffler for combustion engines
06/01/1982US4332307 Exhaust muffler
05/1982
05/25/1982US4331213 Automobile exhaust control system
05/18/1982US4330239 Compressor muffler
05/18/1982US4330047 Sound-attenuating ventilation
05/18/1982CA1123749A1 Sound-attenuating muffler for exhaust gases
05/04/1982US4327817 Method and apparatus for treating exhaust gases particularly for air-operated tools
05/04/1982US4327816 Acoustic liner for attenuating noise
05/04/1982US4327815 Rotational mechanism disposed within fluid passageway
04/1982
04/28/1982EP0050337A1 Sound absorbing arrangement for compressed air producing devices
04/20/1982US4325460 Ejector muffler
1 ... 77 78 79 80 81 82 83 84 85 86 87 88 89 90