Honda Motor Co., Ltd.
FUEL INJECTION DEVICE FOR GAS TURBINE

Abstract:

A fuel injection device (70) includes a nozzle body (72) and a stem portion (110) connected to the rear end of the nozzle body at an angle. The stem portion is provided at a free end thereof with an annular wall member (128) defining a recess that receives the rear end of the nozzle body. The stem portion is covered by a heat insulating sleeve (122), and a part of the heat insulating sleeve adjacent to the free end of the stem portion is provided with a cutout (122B) exposing a part of the outer circumferential surface (128A) of the annular wall member. The exposed part of the annular wall member is provided with a heat insulating groove (130) opening at an end surface (128B) of the annular wall member facing the nozzle body.