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)
11/2008
11/06/2008WO2008102093A3 Valve for motor vehicle exhaust muffler and muffler including one such valve
11/06/2008US20080271946 Pipe/Silencer Device Assembly
11/06/2008DE19945696B4 Schalldämpfungssystem für Auspuffanlagen von Kraftfahrzeugen Silencing system for exhaust system of motor vehicles
11/04/2008US7445083 Automotive muffler
10/2008
10/30/2008US20080264719 Silencer
10/30/2008DE102008001390A1 Schalldämpfer Silencer
10/29/2008EP1985818A1 Muffler and working machine
10/29/2008EP1913242B1 Sound absorber for gas turbine installations
10/29/2008CN201140750Y Motorcycle
10/29/2008CN101294508A Silencer
10/23/2008US20080260546 Compressor Sound Suppression
10/23/2008US20080257640 Compressor Muffler
10/22/2008EP1982055A1 Method for producing a frequency spectrum in an exhaust pipe of an internal combustion piston engine
10/22/2008EP1982054A1 Exhaust gas silencer for auxiliary heating systems for motor vehicles
10/22/2008EP1718869B1 A refrigerant compressor
10/22/2008CN101289952A Expanding cavity adjustable exhaust silencer
10/21/2008US7438157 Muffler for an exhaust gas system
10/16/2008US20080251314 Exhaust System for an Engine and Motorcycle Including the Exhaust System
10/15/2008CN201133273Y Novel preposed silencer
10/15/2008CN101287545A Arcing electron stream apparatus and method
10/15/2008CN101285411A Silencing device
10/15/2008CN100425807C Zigzag type catalytic converter
10/14/2008US7434658 Muffler
10/09/2008WO2008098330A3 Constructive arrangement of an acoustic filter for a refrigeration compressor
10/09/2008US20080245607 Air exhaust/inlet sound attenuation mechanism
10/09/2008US20080245606 Automotive muffler
10/09/2008US20080245605 Method and apparatus for controlling engine exhaust sound for vehicles
10/08/2008EP1978218A1 Exhaust system for saddle-ride type vehicle
10/08/2008EP1978217A1 Exhaust device for motorcycle
10/08/2008EP1978216A2 Method and apparatus for controlling engine exhaust sound for vehicles
10/08/2008CN201129199Y Silencer with a plurality of coaxial perforated pipes
10/08/2008CN101280708A Sound eliminator for automobile
10/08/2008CN101280707A Method and apparatus for controlling engine exhaust sound for vehicles
10/08/2008CN101280706A Automobile exhaust silencer and design method thereof
10/08/2008CN100424325C Silencer
10/07/2008US7431125 Composite muffler for use with airborne auxiliary power unit
10/07/2008CA2503296C Engine exhaust muffler with exhaust emission control function
10/02/2008WO2008117580A1 Exhaust heat recovering muffler
10/02/2008WO2008116870A1 Helmholtz resonator
10/02/2008US20080236941 Exhaust system for saddle-ride type vehicle
10/02/2008US20080236938 Induction system duct with noise attenuating holes
10/02/2008US20080236937 Resonator with internal supplemental noise attenuation device
10/02/2008US20080236152 Exhaust system for motorcycle
10/02/2008DE112006003265T5 Auspufftopfeinheit mit schalldämpfendem Element Muffler unit with sound-absorbing element
10/02/2008DE102007014446A1 Device for sound modification of exhaust system of internal combustion engine, has housing, flowed through from exhaust gas and control device to control part of exhaust gas flow, flowing through exhaust gas inlet into housing
10/01/2008EP1975384A1 Exhaust device for motorcycle engine
10/01/2008EP1975382A2 Exhaust system for motorcycle
10/01/2008EP1975380A1 Muffler structure for vehicle
10/01/2008CN201125767Y Exhausting equipment for gasoline electric generating set
10/01/2008CN201125766Y Novel Helmholtz resonator
10/01/2008CN201125765Y Motorcycle silencer
10/01/2008CN101275478A Muffler assembly
10/01/2008CN101275477A Noise eliminating and exhausting device for agricultural diesel
10/01/2008CN100422518C Muffler for an engine
09/2008
09/30/2008US7428947 Electrically controlled in-muffler exhaust valve for use during cylinder deactivation
09/25/2008WO2008115841A1 Fixed auger assembly
09/25/2008WO2008115212A1 Snap-action valve for exhaust system
09/25/2008WO2007106863A3 Methods and apparatus for reducing noise via a plasma fairing
09/25/2008US20080233856 Air conditioner duct
09/24/2008EP1971756A1 Muffler assembly having a metal catalyst therein
09/24/2008EP1971466A1 Chain saw
09/24/2008CN201121532Y Noise-extinguishing pneumatic attachment
09/24/2008CN201121531Y Low-noise silencer housing of motor vehicle
09/23/2008US7426980 Internal combustion engine exhaust system
09/23/2008US7426979 Exhaust gas control valve
09/18/2008WO2008111740A1 Muffler of a exhaust system
09/18/2008US20080223025 Snap-action valve for exhaust system
09/17/2008CN201116482Y Muffler separation disc
09/17/2008CN101268262A Muffler assembly and method for assembling a muffler
09/17/2008CN100419247C Engine exhaust treatment apparatus and engine driving type heat pump apparatus
09/17/2008CN100419246C Support structure for muffler
09/16/2008US7424931 Muffler for a motorcycle
09/12/2008WO2008108538A1 Silencer for pneumatic device
09/12/2008WO2008107151A1 Exhaust gas aftertreatment device of a motor vehicle
09/12/2008WO2008107060A1 Sound-absorbing insulating element, sound absorber, and method for the production of a sound absorber
09/10/2008EP1332071B1 Bumper/muffler assembly
09/10/2008CN100417886C Silencing equipment for an air-cooling assembly
09/09/2008CA2532287C Automatic choke for an engine
09/04/2008DE202008006353U1 Tuning-Endschalldämpfereinsatz Tuning Muffler use
09/03/2008CN201110227Y Exhaust pipe for automobile silencer as well as silencer for automobile using said exhaust pipe
09/03/2008CN201110210Y Engine exhaust silencer
09/03/2008CN100416057C Exhaust system structure of automatic two wheeled motorcycle
08/2008
08/28/2008US20080202151 Method and Apparatus for Reducing the Noise Level Outputted by Oil Separator
08/27/2008CN201106478Y Vent gas discharging structure of motorcycle vent pipe
08/27/2008CN201106119Y Steam heating silencer of industrial washing machine
08/26/2008US7416052 Exhaust system of internal combustion engine
08/26/2008US7416051 Assembly and method for fan noise reduction from turbofan engines using dynamically adaptive Herschel-Quincke tubes
08/26/2008US7416050 Gas expansion silencer
08/21/2008WO2008098330A2 Constructive arrangement of an acoustic filter for a refrigeration compressor
08/21/2008WO2006001855A3 Gas flow enhancer for combustion engines
08/21/2008US20080196970 Exhaust system for combustion engine
08/21/2008US20080196967 Active Countersound System with Special Arrangement of the Secondary Actuators for Reducing the Passage of Sound at an Open Boundary Area of Two Volumes; Active Countersound Arrangement; Method for Actively Reducing Sound
08/20/2008EP1959106A1 Silencer for an exhaust system
08/20/2008EP1957765A1 Sub-muffler
08/20/2008EP1673521B1 Sound absorber
08/20/2008CN100412689C Active noise controller and projector using the same
08/20/2008CN100412327C Method of making silencer
08/14/2008WO2007147119A3 Combustion generator enhancement device
08/14/2008US20080190685 Exhaust System for Motorcycle and Motorcycle
08/14/2008DE102007007600A1 Silencer for exhaust system of internal-combustion engine in motor vehicle, has exhaust pipe arrangement conducted through expansion chamber in interruptible manner and exhibiting perforation within expansion chamber
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