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INJECTOR ASSEMBLY AND DUCTING ARRANGEMENT INCLUDING SUCH INJECTOR ASSEMBLIES IN A COMBUSTION SYSTEM FOR A GAS TURBINE ENGINE

United States Patent Application

20170284675
A1
View the Complete Application at the US Patent & Trademark Office
Injector assembly and ducting arrangement including such assemblies for a combustor system in a gas turbine engine are provided. A reactant-guiding structure (42) may be configured to define a curvilinear flow path (47) to route a flow of reactants from a first flow direction (50) to a second flow direction (52) toward a cross-flow of combustion gases (60). A cross-flow guiding structure (54) may further define a flow path (58) to route a portion of the cross-flow of combustion gases toward an outlet side of the cross-flow guiding structure. Disclosed injector assemblies can be configured to reduce pressure loss while providing an effective level of mixing of the injected reactants with the passing cross-flow. Respective injector assemblies or the entire ducting arrangement may be formed as a unitized structure, such as a single piece using a rapid manufacturing technology, such as 3D Printing/Additive Manufacturing (AM) technology.
North, Andrew J. (Orlando, FL), Portillo Bilbao, Juan Enrique (Oviedo, FL), Laster, Walter Ray (Oviedo, FL), Meadows, Joseph (Charlotte, NC)
15/ 085,067
March 30, 2016
STATEMENT REGARDING FEDERALLY SPONSORED DEVELOPMENT [0001] Development for this invention was supported in part by Contract No. DE-FE0023968, awarded by the United States Department of Energy. Accordingly, the United States Government may have certain rights in this invention.