Integral fuel nozzle cover for gas turbine combustor

Fluid sprinkling – spraying – and diffusing – Combining of separately supplied fluids – At or beyond outlet

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239428, 239548, F23L 100, B05B 706

Patent

active

049307037

ABSTRACT:
A nozzle cover for a combustor of a combination fuel gas turbine engine is cast as a one-piece integral part requiring machining only for holes, sealing surfaces and threads. The nozzle cover cross section is generally a portion of an ellipsoid in order to maximize strength for a given amount of material. An interface between the nozzle cover and each of a plurality of combination fuel nozzles employs a single threaded opening accommodating two of a required three nozzles. The third nozzle in each combination fuel nozzle is accommodated in threads formed in a stepped wall in the nozzle cover.

REFERENCES:
patent: 233397 (1880-10-01), Bradley
patent: 622482 (1899-02-01), Jackson
patent: 878461 (1908-02-01), Harris
patent: 1741532 (1929-12-01), Morse
patent: 4797087 (1989-01-01), Gitman

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