Gas turbine engine premix injectors

摘要

One embodiment is a gas turbine engine premix injector including a mixing duct, a plurality of air inlet slots leading to the duct, a plurality of gaseous fuel inlet apertures leading to the duct, a plurality of vanes positioned in the duct downstream from said air inlets, a plurality of liquid fuel inlet apertures leading to the duct, and a plurality of discharge windows positioned between the vanes.

主权项

1. A gas turbine premix injector comprising:
a mixing duct; a plurality of air inlet slots leading to said mixing duct; a plurality of gaseous fuel inlet apertures leading to said mixing duct; a plurality of members positioned in said mixing duct downstream from said plurality of gaseous fuel inlet apertures for dividing fluid flow within said mixing duct; and a plurality of liquid fuel inlet apertures positioned in said mixing duct; and wherein said air inlet slots are formed in a first surface of said mixing duct, said gaseous fuel inlet apertures are formed in a second surface of said mixing duct opposite said first surface, and the first surface and the second surface forming an annular space defined between walls having the first surface and second surface downstream of the plurality of air inlet slots.