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PILOT NOZZLE HEAT SHIELD HAVING INTERNAL TURBULATORS

  • US 20100095677A1
  • Filed: 05/11/2006
  • Published: 04/22/2010
  • Est. Priority Date: 05/11/2006
  • Status: Active Grant
First Claim
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1. A pilot nozzle heat shield comprising:

  • a heat shield body having a first end region including a first end and a second end region including a second opposite end, the body having an internal cavity opening to the first end for receiving a pilot nozzle, the heat shield body having an inner peripheral surface and an outer peripheral surface, wherein the body has a longitudinal axis extending from the first end to the second end;

    the second end region including a flow tip, the flow tip extending from a proximal periphery to a distal periphery defining an aperture, a plurality of flow ports extending through the heat shield body and spaced about the proximal periphery of the flow tip, the flow tip further including a plurality of through slots, each through slot extending distally from one of the plurality of flow ports to the aperture, the through slots defining sets of tangs therebetween; and

    at least one internal turbulator disposed on the inner peripheral surface of the body, the internal turbulator being located proximate and upstream of the flow tip.

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