Optimally cooled, carbureted flameholder

Details Optimally cooled, carbureted flameholder Optimally cooled, carbureted flameholder

1998-10-23

2000-09-05

Thorpe, Timothy S.

Power plants

Reaction motor

Liquid oxidizer

60749, F02K 310

Patent

active

061125164

ABSTRACT:
A carbureted flameholder (30) with optial cooling is provided for a bypass turbojet-engine. The flameholder (30) comprises a body (34) which extends radially into the primary flow. The body (34) is formed by a V-dihedral having two outer plates (35, 36) which intersect at a common ridge apex (37). An air tube (38) is mounted between the two outer plates (35, 36) and at least one fuel conduit (44, 45) is disposed to the rear of the air tube (38). The overall cross-section of the air tube (38) is approximately triangular and the air tube (38) includes a transverse downstream wall that is curved to define a trough (42) in which the fuel conduit (44, 45) is located. The air tube (38) includes orifices (41, 46) directed against the dihedral plates (35, 36) and the fuel conduit (44, 45) to cool them. The fuel conduit includes a nozzle injector (46) directed downstream towards the afterburner chamber (23).

REFERENCES:
patent: 4490973 (1985-01-01), Kinsey
patent: 4887425 (1989-12-01), Vdoviak
patent: 4901527 (1990-02-01), Nash et al.
patent: 5396761 (1995-03-01), Woltmann et al.
patent: 5400589 (1995-03-01), Mahias et al.
patent: 5437159 (1995-08-01), Ansart et al.
patent: 5813221 (1998-09-01), Geiser et al.

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