Patent ID: 7762070
Filing Date: 2010-07-27
Classification: F23D,F23R

Abstract:
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.