Afterburner arrangement

Details Afterburner arrangement Afterburner arrangement

2007-10-30

2007-10-30

Casaregola, L. J. (Department: 3746)

Power plants

Reaction motor

Having afterburner

C060S765000

Reexamination Certificate

active

10898999

ABSTRACT:
The invention relates to a burner ring for turbofan jet engines. The ring includes an upstream annular envelope which forms a channel which is open axially in the downstream direction, and a manifold for injecting fuel into the channel. The ring includes multiple sectors connected together. Each sector has a fuel inlet which is connected to the fuel injection manifold. Part of the upstream annular envelope is in the core flow. Each sector has a connector which receives the fuel inlet and a ventilation duct which extends through the channel and upstream of the injection manifold. Each sector is fitted with an inlet for a bypass air, which air is then emitted by the ventilation duct to cool the injection manifold. A sector of downstream annular envelope is arranged downstream of the injection manifold to protect this manifold.

REFERENCES:
patent: 2862359 (1958-12-01), Spears
patent: 3269116 (1966-08-01), Frasca et al.
patent: 4724671 (1988-02-01), Lapergue et al.
patent: 5127224 (1992-07-01), Barcza et al.
patent: 1.321.385 (1963-03-01), None
patent: 2 696 502 (1994-04-01), None
patent: 2 770 284 (1999-04-01), None

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