Power plants – Combustion products used as motive fluid – Combustion products generator
Patent
1993-12-08
1994-07-19
Bertsch, Richard A.
Power plants
Combustion products used as motive fluid
Combustion products generator
60755, F02C 100
Patent
active
053297725
ABSTRACT:
A single nozzle combustion liner cap assembly is provided in the form of an outer annular sleeve connected to an inner center ring or cowl by an angled web or cone portion formed with multiple arrays of holes for introducing air through the cone portion where it is then diverted in desired directions by cooling slots formed by integral baffles or vanes formed on the downstream side of the cone portion. In one exemplary embodiment, three baffles or directional vanes are provided on the cone portion, the two innermost of which direct air radially inwardly along the downstream surface of the cone toward the cowl, and the third of which directs air in two opposite directions, i.e., inwardly and outwardly along the cone portion. In this exemplary embodiment, the entire cap assembly is formed as one piece by an otherwise conventional investment casting process which provides accurately dimensioned cooling apertures and associated flow directional vanes or baffles without danger of cracking as in the conventional louvered sheet metal cap liner assemblies.
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Fitts David O.
Haydon John S.
Rasmussen Neil S.
Bertsch Richard A.
General Electric Company
Kocharov Michael I.
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