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Class Information
Number: 181/217
Name: Acoustics > Sound-modifying means > Muffler, fluid conducting type > Reaction engine type > Removable silencer unit (e.g., mobile)
Description: Subject matter wherein the fluid conducting device can be attached to and detached from the exhaust end of the jet engine exhaust nozzle.










Patents under this class:

Patent Number Title Of Patent Date Issued
8230967 Vane type silencers in elbow for gas turbine Jul. 31, 2012
7918310 Noise attenuation device for reducing jet engine noise during testing Apr. 5, 2011
7516815 Arrangement for the generation of sonic fields of a specific modal composition Apr. 14, 2009
7431126 Support means for an acoustic liner used in an auxiliary power unit exhaust muffler Oct. 7, 2008
7383918 Noise suppressor exhaust sound attenuation overhaul and repair kit Jun. 10, 2008
7350619 Auxiliary power unit exhaust duct with muffler incorporating an externally replaceable acoustic liner Apr. 1, 2008
7261181 Detatchable muffler apparatus for pneumatic tools Aug. 28, 2007
7100736 Serviceable muffler Sep. 5, 2006
6899198 Compressed air muffler May. 31, 2005
6810992 Sound producing vehicle exhaust system Nov. 2, 2004
6321870 Air intake means with water separator Nov. 27, 2001
6109387 Silencer for gas discharge devices Aug. 29, 2000
6092621 Methods and apparatus for suppressing engine test cell howl Jul. 25, 2000
5758488 Core flow expansion chamber device system for reduction of jet turbine engine noise Jun. 2, 1998
5422443 Rocket exhaust disrupter shapes Jun. 6, 1995
5377534 Ground test installation for the jet engines of an airliner Jan. 3, 1995
4987970 Device for collecting the exhaust gas jet of an aircraft reactor and a testing installation for aircraft reactors Jan. 29, 1991
4880078 Exhaust muffler Nov. 14, 1989
4733751 Rocket exhaust disrupter Mar. 29, 1988
4709780 Exhaust dissipator/disrupter device Dec. 1, 1987
4353516 Thrust reverser and silencer assembly of turbojet engines Oct. 12, 1982
4180141 Distributor for gas turbine silencers Dec. 25, 1979
4036452 Retractable engine noise suppression system for over-the-wing jet aircraft Jul. 19, 1977











 
 
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