Patent · US Expired

Fuel nozzle for gas turbine engine

US4418543A · kind A · utility

29Cited by
7References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 2, 1980
Grant dateDec 6, 1983
Priority date
Expiry dateDec 2, 2000

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF23D11/38
  • WIPO fieldThermal processes and apparatus
  • WIPO sectorMechanical engineering

Abstract

A fuel nozzle designed to reduce pollutant emissions and minimize the buildup of coke in the secondary fuel passage of a dual orifice fuel nozzle for the combustor of a gas turbine engine sizes the orifices and passages of the air and fuel so as to increase the pressure in the secondary passage during its inoperative mode and when the primary fuel passage is in the operative mode and having the air and fuel issuing from both the primary and secondary orifices swirl in the same direction.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.