Patent ID: 9441543
Filing Date: 2016-09-13
CPC Classification: F02C,F23R

Claim Text:
1. A gas turbine combustor comprising: a combustion cylinder that combusts a mixture of fuel and air for supply of a combustion gas to a turbine; a premixing tube which is open to the combustion cylinder, and mixes the fuel and air so as to be supplied to the combustion cylinder; an inner diameter enlarging member separately formed from the premixing tube, and detachably attached to an open end of the premixing tube for replacement, the open end being open to the combustion cylinder; a fixing member for fixing the inner diameter enlarging member to the premixing tube such that the inner diameter enlarging member is detachably attached to the open end of the premixing tube for replacement; and a fuel supply unit attached to the premixing tube for supplying the fuel to the premixing tube.