Patent ID: 6363725
Filing Date: 2002-04-02
Classification: F23D,F23R

Abstract:
A premixing chamber for a gas turbine having a combustion chamber, comprising:a premixing chamber body for simultaneously flowing fuel to the combustion chamber to generate a main flame and pilot flames, respectively, in the combustion chamber, said body including a converging portion for flowing a fuel/air mixture to the combustion chamber for generating the main flame, said premixing chamber body including a plurality of pilot passages which open into the combustion chamber along a front peripheral portion of said premixing chamber body for generating a series of pilot flames and stabilizing the main flame in the combustion chamber; said front peripheral portion of the converging portion of the premixing chamber body having at least one peripheral groove surrounding a flow passage of said converging portion where the fuel/air mixture flows therethrough, said pilot passages opening into said groove.