Fuel nozzle guide structure and retainer for a gas turbine engin

Details Fuel nozzle guide structure and retainer for a gas turbine engin Fuel nozzle guide structure and retainer for a gas turbine engin

1986-04-18

1989-10-03

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

Combustion products generator

60756, F07C 100

Patent

active

048708186

ABSTRACT:
A nozzle guide structure (10) is provided for receiving a fuel nozzle (34) in an opening (30) in a planar bulkhead (28) of a combustion chamber (12). The guide structure (10) includes an inner bushing (44), a transverse heat shield (46), and an annular retainer (52) disposed opposite the heat shield (46) with respect to the bulkhead (28). Flow openings (62) disposed in the retainer (52) admit cooling air (64) into an annular gap (50) formed between the bushing (44) and the bulkhead (28). the cooling air (64) subsequently flow between the bulkhead (28) and the heat shield (46) to provide cooling thereto.

REFERENCES:
patent: 3273343 (1966-09-01), Cretella
patent: 3385055 (1968-05-01), Koblish et al.
patent: 3403510 (1968-10-01), Lauck
patent: 3901446 (1975-08-01), Detreikis, Jr. et al.
patent: 4322945 (1982-04-01), Peterson et al.
patent: 4365470 (1982-12-01), Matthews et al.
patent: 4454711 (1984-06-01), Ben-Porat

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