Integral composite gas turbine afterburner structure

Details Integral composite gas turbine afterburner structure Integral composite gas turbine afterburner structure

1993-12-08

1994-11-29

Bertsch, Richard A.

Power plants

Reaction motor

Liquid oxidizer

60740, 60749, F02K 310

Patent

active

053678745

ABSTRACT:
An integral, one-piece afterburner structure for a turbojet engine is disclosed which is formed of composite material. The afterburner structure has an outer casing formed as a body of revolution about a central axis, an inner casing also formed as a body of revolution about the central axis, which casings are integrally joined by a plurality of connecting arms extending between the inner and outer casing. The connecting arms are also formed of a composite material and are integrally molded with both the inner and outer casings. The afterburner structure also has a plurality of secondary support arms formed of composite material which extend either from the outer, or the inner casing in a generally radial direction relative to the central axis. Integrally formed with the plurality of secondary support arms is at least one annular flameholder ring which extends around the central axis and is supported by the secondary support arms.

REFERENCES:
patent: 3170294 (1965-02-01), Meyer et al.
patent: 3176465 (1965-04-01), Colley
patent: 3595024 (1971-07-01), Kohler
patent: 4185458 (1980-01-01), Ernst
patent: 4380899 (1983-04-01), Davies et al.
patent: 4716640 (1988-01-01), Jourdain et al.

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