Predfiffuser for a gas turbine engine

Details Predfiffuser for a gas turbine engine Predfiffuser for a gas turbine engine

1982-05-20

1990-04-24

Casaregula, Louis J.

Power plants

Combustion products used as motive fluid

Combustion products generator

F02C 100

Patent

active

049189263

ABSTRACT:
A prediffuser, immediately upstream of a dump diffuser for a gas turbine engine is constructed to have equal numbers of struts as there are fuel injectors in the annular combustor. The wedged shaped struts are disposed symmetrically about the annular diffuser. The relatively large blunt trailing edge enhances the circumferential expansion of the discharge air dumping into the dump diffuser which achieves a more uniform temperature profile of the cooling air cooling the burner liner and its associated components, and avoiding localized hot spots.

REFERENCES:
patent: 2682363 (1954-06-01), Lombard et al.
patent: 2711072 (1955-06-01), Wetzler
patent: 2823519 (1958-02-01), Spalding
patent: 3978664 (1976-09-01), Parker et al.
patent: 4100732 (1978-07-01), Bryans et al.

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