To prolong the operational lifetime when a central body for tangential inlet fuel nozzle is employed in a gas turbine engine.
The central body 10 for tangential inlet fuel nozzle comprises a base section 12, a radially outward surface 42, an internal passage 20, an inner chamber 58, a swirler 60, and a fuel lance 62. The base section 12 is provided with at least one air supply hole 14, 16 extending through the base section. The radially outward surface 42 comprises a truncated conical part 44 and a tubular part 46. The internal passage 20 communicates with the inner chamber 58 through the swirler 60. The fuel lance 62 is extended through the base section 12, the inner chamber 58 and the swirler 60 before being terminated in the internal passage 20.
HAUCK PETER F
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