Fuel nozzle assembly for a gas turbine engine

Details Fuel nozzle assembly for a gas turbine engine Fuel nozzle assembly for a gas turbine engine

1987-10-13

1989-07-25

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

Combustion products generator

60 3932, F02C 722

Patent

active

048501964

ABSTRACT:
A fuel nozzle assembly having a cylindrical nozzle tip at one end of a fuel delivery tube and a supporting flange at the other end. An air delivery tube, also secured to said support flange, encloses the fuel delivery tube to define an annular air chamber therebetween. A cylindrical face of the nozzle tip is received in an similarly sized and shaped opening in a swirl cap attached to the end of the fuel delivery tube to slideably engage the air delivery tube and the fuel delivery tube and to define a substantially constant radial spaced relationship between the cylindrical nozzle tip and the air delivery tube during variable axial expansion of the fuel delivery tube and air delivery tube. The air delivery tube is secured to the fuel delivery tube by mounting a radially expansive portion of the air delivery tube to the support flange.

REFERENCES:
patent: 3911672 (1975-10-01), Irwin
patent: 4154056 (1979-05-01), Emory
patent: 4258544 (1981-03-01), Gebhart et al.
patent: 4409791 (1983-10-01), Jourdain et al.
patent: 4513569 (1985-04-01), Sasaki et al.

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