Device for reducing jet engine exhaust noise using oscillating jets

Device for reducing jet engine exhaust noise using oscillating jets

  • CN 1,637,262 A
  • Filed: 12/30/2004
  • Published: 07/13/2005
  • Est. Priority Date: 12/30/2003
  • Status: Active Application
First Claim
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1. device that is used to reduce the exhaust noise of air breathing engine comprises:

  • At least one and the oscillating ejector (12) that the discharge portion (16) of motor links to each other, described oscillating ejector (12) comprising;

    Have the nozzle (22) that is formed at wherein tri-angle-holed (36) andThe outlet pipe (24) that links to each other with described nozzle (22),Wherein, air-flow (26) passes described tri-angle-holed (36) and leaves from described outlet pipe (24), described air-flow have oscillatory flow andThe described gas of at least a portion (26) from described outlet pipe (24) mixes mutually with the engine exhaust (14) of the described engine exhaust part (16) of flowing through.

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