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Class Information
Number: 181/220
Name: Acoustics > Sound-modifying means > Muffler, fluid conducting type > Reaction engine type > With disparate fluid mingling
Description: Subject matter in which a fluid is introduced into and mingled with the moving fluids to assist in muffling, as by dilution or condensing the moving fluids.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 8640820 |
High-speed jet noise reduction via fluidic injection |
Feb. 4, 2014 |
| 8621842 |
Exhaust silencer convection cooling |
Jan. 7, 2014 |
| 8584356 |
Method of manufacturing a CMC flow mixer lobed structure for a gas turbine aeroengine |
Nov. 19, 2013 |
| 8556027 |
Eductor exhaust silencer assembly with bypass gasflow |
Oct. 15, 2013 |
| 8544278 |
Turboshaft engine with reduced noise emission for aircraft |
Oct. 1, 2013 |
| 8539748 |
Segmented inertial particle separators and methods of assembling turbine engines |
Sep. 24, 2013 |
| 8516824 |
Gas ejection cone for an aircraft turbojet equipped with a device for generating turbulence in a primary flow limiting jet noise |
Aug. 27, 2013 |
| 8225592 |
Microjet noise suppression system for jet engines |
Jul. 24, 2012 |
| 8220586 |
Noise-reduced aircraft engine and method for reducing noise emissions of an aircraft engine |
Jul. 17, 2012 |
| 8157050 |
Device for reducing noise generated by an aircraft jet engine with curve ducts |
Apr. 17, 2012 |
| 8069666 |
System for generating shaft horsepower using waste heat |
Dec. 6, 2011 |
| 8069647 |
Jet nozzle mixer |
Dec. 6, 2011 |
| 7882696 |
Integrated support and mixer for turbo machinery |
Feb. 8, 2011 |
| 7866141 |
Cooling device for the primary nozzle of a dual-flow turbojet engine |
Jan. 11, 2011 |
| 7827780 |
Assembly procedure for the adjustable pin-valve, fuel shut-off |
Nov. 9, 2010 |
| 7802752 |
Jet engine noise suppressor |
Sep. 28, 2010 |
| 7784270 |
Rotary motion mixer for a converging-stream nozzle of a turbomachine |
Aug. 31, 2010 |
| 7735601 |
Engine noise |
Jun. 15, 2010 |
| 7677026 |
Mixer for separate-flow nozzle |
Mar. 16, 2010 |
| 7581384 |
Turbomachine nozzle cover provided with triangular patterns having a point of inflexion for reducing jet noise |
Sep. 1, 2009 |
| 7578369 |
Mixed-flow exhaust silencer assembly |
Aug. 25, 2009 |
| 7516815 |
Arrangement for the generation of sonic fields of a specific modal composition |
Apr. 14, 2009 |
| 7448215 |
Combustion chamber for a gas turbine engine |
Nov. 11, 2008 |
| 7392651 |
Turbomachine nozzle cover for reducing jet noise |
Jul. 1, 2008 |
| 7389635 |
Twisted mixer with open center body |
Jun. 24, 2008 |
| 7310939 |
Device for reducing the jet noise of a turbomachine |
Dec. 25, 2007 |
| 7308966 |
Device for reducing jet engine exhaust noise using oscillating jets |
Dec. 18, 2007 |
| 7293401 |
Jet engine noise suppressor |
Nov. 13, 2007 |
| 7251927 |
Jet nozzle mixer |
Aug. 7, 2007 |
| 7246481 |
Methods and apparatus for operating gas turbine engines |
Jul. 24, 2007 |
| 7111448 |
Jet nozzle mixer |
Sep. 26, 2006 |
| 7080514 |
High frequency dynamics resonator assembly |
Jul. 25, 2006 |
| 7065957 |
Segmented mixing device for jet engines and aircraft |
Jun. 27, 2006 |
| 7062908 |
Construction for exhaust emission control |
Jun. 20, 2006 |
| 7055329 |
Method and apparatus for noise attenuation for gas turbine engines using at least one synthetic jet actuator for injecting air |
Jun. 6, 2006 |
| 7055308 |
Detonation damper for pulse detonation engines |
Jun. 6, 2006 |
| 7043898 |
Combined exhaust duct and mixer for a gas turbine engine |
May. 16, 2006 |
| 7017331 |
Jet nozzle mixer |
Mar. 28, 2006 |
| 6971229 |
Confluent exhaust nozzle |
Dec. 6, 2005 |
| 6910550 |
Muffler arrangement for an internal combustion engine |
Jun. 28, 2005 |
| 6896100 |
Noise reducing apparatus and exhaust nozzle for jet engine |
May. 24, 2005 |
| 6854260 |
Jet nozzle mixer |
Feb. 15, 2005 |
| 6820419 |
Marine wet exhaust system |
Nov. 23, 2004 |
| 6804948 |
Lobe mixer for jet engine |
Oct. 19, 2004 |
| 6718752 |
Deployable segmented exhaust nozzle for a jet engine |
Apr. 13, 2004 |
| 6640537 |
Aero-engine exhaust jet noise reduction assembly |
Nov. 4, 2003 |
| 6615576 |
Tortuous path quiet exhaust eductor system |
Sep. 9, 2003 |
| 6615857 |
Modular flow control actuator |
Sep. 9, 2003 |
| 6606854 |
Exhaust mixer and apparatus using same |
Aug. 19, 2003 |
| 6578355 |
Bloom mixer for a turbofan engine |
Jun. 17, 2003 |
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