Patent ID: 8555645
Filing Date: 2013-10-15
Classification: F23R,Y02T

Abstract:
1. A fuel nozzle centerbody having a cylindrical cross-sectional area, said centerbody comprising: an inlet; an outlet; a radially outer wall; a radially inner wall; a centerline axis extending from said inlet to said outlet; and a baffle substantially co-axially aligned within said centerbody, said baffle comprising: a first end portion, an intermediate portion, and a second end portion; a plurality of circumferentially-spaced apertures configured to channel airflow radially outward to impingement cool said centerbody; and an intermediate support extending radially inward from said intermediate portion of said baffle to contact a mounting flange to facilitate supporting said baffle within said centerbody, said second end portion supported by an end wall flange extending from an end wall of the centerbody, wherein cooling fluid is supplied to the baffle through at least one aperture in said radially inner wall axially between the second end portion and the intermediate support.