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Exhaust stream mixer

  • US 9,970,386 B2
  • Filed: 06/06/2014
  • Issued: 05/15/2018
  • Est. Priority Date: 06/07/2013
  • Status: Active Grant
First Claim
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1. A turbine engine comprising:

  • a compressor section;

    a combustor in fluid communication with the compressor section;

    a turbine section in fluid communication with the combustor,an exhaust nozzle in fluid communication with the turbine section;

    said exhaust nozzle comprising a plurality of exhaust stream mixers circumferentially disposed about said exhaust nozzle, wherein each of said exhaust stream mixers includes a radially inward base portion and a plurality lobes protruding radially outward from said base portion, wherein a centerline of each lobe in said plurality of lobes intersects with a centerline of each other lobe said plurality of lobes in a middle region of said radially inward base portion, and wherein the centerline of each lobe is an axis of symmetry of the corresponding lobe, wherein each of said exhaust stream mixers is further defined by a corresponding cross section normal to an axis defined by the turbine engine, wherein the cross section of each corresponding exhaust stream mixer has a length extending the entire circumference of the cross section of each corresponding exhaust stream mixer that is at least twice the length of the circumference of a corresponding circle in which the cross section of each corresponding exhaust stream mixer is inscribed.

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