Patents
Sitemap › F01 - Machines or engines in general; Engine plants in general; Steam engines › F01N - Gas-flow silencers or exhaust apparatus for machines or engines in general; Gas-flow silencers or exhaust apparatus for internal-combustion engines › F01N 1 - Silencing apparatus characterised by method of silencing
Patents for F01N 1 - Silencing apparatus characterised by method of silencing (8,998)
12/1988
12/15/1988WO1988009865A1 Exhaust gas cleaning device for diesel engines
12/15/1988DE3718433A1 Piston engines with methods for improving the reaction in engine combustion chambers and secondary reaction areas
12/13/1988US4790409 Sound attenuating muffler for exhaust gas
12/07/1988EP0293577A2 Exhaust device with silencer for internal combustion engines
12/07/1988CN88202534U Muffler for fan
11/1988
11/30/1988CN88210325U Device for purifying and deafening automobile exhaust
11/29/1988US4787473 Sound attenuating box
11/29/1988CA1245566A1 Compact, sound-attenuating muffler for high- performance, internal combustion engine
11/23/1988CN88200350U High-efficient silencer for steam-heating
11/22/1988US4785909 Noise silencing systems
11/09/1988EP0290425A2 Silencer for internal-combustion engines
11/09/1988CN88210188U Multi-function car muffler
11/08/1988CA1244357A1 Integral fluted tube for sound suppression
10/1988
10/27/1988DE3711831A1 Piston engine with four-stroke piston process and improved charging of the engine combustion chamber
10/26/1988EP0287923A2 Heater, particularly an additional heater for vehicles
10/25/1988US4779703 Silencing device for internal combustion engine
10/25/1988US4779415 Manifold tuning structure
10/18/1988CA1243264A1 High performance automotive muffler
10/18/1988CA1243191A1 Flanged bearing cup remover for heavy duty universal joints
10/12/1988EP0285632A1 Active vibration control.
10/05/1988CN87214205U Air admission and exhaust system of petroleum motor
10/05/1988CN87210492U Frequency converting sound-absorbing muffler
10/04/1988US4774985 Apparatus for filling automotive muffler with glass fibers
09/1988
09/14/1988EP0281700A1 Exhaust control devices
09/08/1988DE3805469C1 Apparatus for the production of a steel-wool hose
09/01/1988DE3704366A1 Piston engine with method for improving the reaction in engine combustion chambers and secondary reaction lines
08/1988
08/24/1988EP0279710A1 Exhaust system for a six-cylinder V-type engine
08/23/1988US4765437 Stamp formed muffler with multiple low frequency resonating chambers
08/16/1988US4763471 Internal combustion engine charged with a gas-dynamic pressure-wave machine
08/10/1988EP0161284B1 Compact, sound-attenuating muffler for high-performance internal combustion engine
08/10/1988CN88100602A Microsound exhaust method of diesel (gasoline) generator units
08/09/1988US4762540 Noise suppression and particle separation apparatus for high pressure gaseous fluid flows
08/09/1988CA1240131A1 Packing automobile exhaust silencers
08/03/1988EP0276690A1 Muffler system
08/02/1988US4760894 Exhaust muffler with angularly aligned inlets and outlets
07/1988
07/26/1988US4759423 Tube and chamber construction for an exhaust muffler
07/20/1988EP0274659A1 Absorption/reflection silencer
07/13/1988EP0274144A1 Flexibilized silencer
06/1988
06/29/1988EP0272769A2 Exhaust manifold tuning structure
06/29/1988CN87214427U Automobile exhaust purifying muffler
06/28/1988US4753319 Exhaust silencer for high-power gas turbines
06/28/1988CA1238613A1 Glass fibre products
06/28/1988CA1238583A1 Muffler for exhaust gas from internal combustion engine
06/22/1988CN86107431B Exhaust muffler with extinguishing sparks and dusting mechanism
06/21/1988US4751980 Sound attenuation apparatus
06/15/1988EP0271465A2 Silencer
06/01/1988EP0268728A2 Stamp formed muffler
06/01/1988DE3739081A1 Device for sound damping in internal combustion units
05/1988
05/31/1988US4747467 Turbine engine noise suppression apparatus and methods
05/25/1988CN86107431A Spark trap muffler
05/24/1988US4745988 Aluminum silencing system
05/24/1988CA1237083A1 Muffler apparatus and method for making same
05/19/1988DE3636801A1 Silencer with integral condensate drainage
05/17/1988US4744440 Exhaust gas silencing device
05/03/1988US4741411 Muffler system
05/03/1988US4741381 Method of and apparatus for automatically controlling pressure in holding furnace incorporated in low pressure die-casting system
04/1988
04/27/1988EP0265000A1 A silencing ventilating device, in particular for a ventilating passage in a wall or partition
04/21/1988WO1988002912A1 Active vibration control
04/21/1988DE3733711A1 Silencer for gas flow
04/20/1988CN86107075A Series ceramic silencer for reducing noise in a low flowrate exhausting system
04/13/1988EP0263281A1 Pneumatic boring ram
04/13/1988CN87208195U Exhaust muffler of purification for automobiles
04/13/1988CN86209754U Damped muffler for automobile
04/12/1988US4736817 Stamp formed muffler
04/05/1988US4735283 Muffler with flow director plates
03/1988
03/30/1988EP0261105A1 Device for reducing duct-carried air-borne sound
03/23/1988EP0260582A1 Exhaust control device of engine
03/16/1988CN86104117A Frequency modulation type exhausting gas flow stabilizing device
03/10/1988DE3729219A1 Exhaust sound (acoustic) damper
03/09/1988EP0259059A1 Muffler
03/02/1988EP0257236A1 Exhaust gas silencer
03/01/1988US4727828 Portable engine unit
02/1988
02/24/1988EP0256103A1 Process and device for purifying exhaust air
02/10/1988CN86101514B High-speed airstream muffler
01/1988
01/27/1988CN87205551U Multi-effect all frequency spring push-pull combined muffler
01/26/1988CA1231898A1 Exhaust system
01/19/1988US4719988 Muffler
01/19/1988US4719679 Method of manufacturing tubes for use in a muffler for internal combustion engines
01/13/1988EP0252647A1 Aircraft cabin noise control apparatus
01/13/1988EP0252373A2 Method and apparatus for the folded connection of a tube with a closure plate
12/1987
12/30/1987WO1987007974A1 Aircraft cabin noise control apparatus
12/29/1987US4715472 Adjustable motorcycle muffler
12/26/1987CN87206324U Silencer for diesel generators
12/23/1987CN86101514A Silencer against highspeed air and violent noise
12/15/1987US4712644 Exhaust silencer for internal combustion engines
11/1987
11/26/1987DE3716248A1 Exhaust silencer of motor vehicle engine
11/17/1987CA1229307A1 Container through which a gas flows, preferably a muffler, with fiberglass filling and method and apparatus for filling the same
11/10/1987US4705138 Steam trap muffler
11/04/1987EP0243559A1 Gas flow silencer
10/1987
10/31/1987CN86207576U Spraying and dissolving type silencer and dust cleaner
10/22/1987DE3712495A1 Silencer for the exhaust gases of internal combustion engines
10/21/1987CN87200072U Exhaust noise-elimination system for internal combustion engine
10/20/1987US4700806 Stamp formed muffler
10/20/1987US4700805 Muffler for exhaust gas from internal combustion engine
10/13/1987US4699244 Exhaust silencer device for an internal combustion engine
10/08/1987DE3711029A1 Exhaust system of an internal combustion engine
10/07/1987EP0240318A2 Apparatus and method for suppression of turbine engine noise
09/1987
09/17/1987DE3608804A1 Conduit sound damper with movable sound-absorbing walls
09/11/1987WO1987005357A1 Exhaust system for combustion engines
09/01/1987US4690245 Flattened venturi, method and apparatus for making
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