Patent application title: CHIP HOLDER, COMBUSTOR NOZZLE COMPRISING THE SAME, COMBUSTOR HAVING THIS COMBUSTOR NOZZLE

摘要

PROBLEM TO BE SOLVED: To prevent heat damage by curbing a variation in a cooling gas flow rate.SOLUTION: A tip holder 35 with a nozzle tip 41 ejecting fuel Fp connected to a tip section 36f thereof comprises: an inner cylinder 36 which has a cylindrical shape with reference to an axial line Ac and forms a fuel flow passage 71 where the fuel Fp flows therein at an inner peripheral side thereof; an outer cylinder 37 which has the cylindrical shape with reference to the axial line Ac, forms an air flowing passage 82 where air A as cooling gas flows between the inner peripheral side thereof and an outer peripheral side of the inner cylinder 36 and allows a sleeve 61 having the cylindrical shape with reference to the axial line Ac to be connected to the tip section thereof; and a plurality of ribs 38 which are arranged between the outer peripheral side of the inner cylinder 36 and the inner peripheral side of the outer cylinder 37 at intervals in a circumferential direction Dc and support the outer cylinder 37 with respect to the inner cylinder 36.