Fuel spray device for gas turbine augmentor or afterburner

Details Fuel spray device for gas turbine augmentor or afterburner Fuel spray device for gas turbine augmentor or afterburner

1983-09-02

1989-06-27

Croyle, Carlton R.

Power plants

Reaction motor

Liquid oxidizer

60741, 23953312, F02K 310

Patent

active

048417254

ABSTRACT:
The fuel spray device is adapted for use in the thrust augmentor or afterburner of a gas turbine engine. The fuel spray device includes a fuel spray manifold having a plurality of spaced apart ejection orifices and a plurality of nozzle pintles each having a decreasing cross-sectional portion, such as a conical portion, against which the orifice wall seats when there is no fuel pressure and relative to which the orifice wall moves as fuel pressure increases to increase fuel flow rate and each pintle having a substantially constant cross-sectional portion, such as a cylindrical portion, downstream of the conical portion to accommodate movement of the orifice wall of the manifold with a minimal effect on fuel flow rate through the orifice.

REFERENCES:
patent: 2017028 (1935-10-01), Heinrich et al.
patent: 2755133 (1956-07-01), Conrad
patent: 3044264 (1962-07-01), Seaward et al.
patent: 3217780 (1965-11-01), Cremer et al.
patent: 3698186 (1972-10-01), Beane et al.
patent: 3871063 (1975-03-01), Halvorsen

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