Impingement Cooled Nozzle Liner

摘要

A nozzle liner for a rotatable nozzle includes a seal land (45) and a rotatable seal (53) for moving with the nozzle. The seal (53) has a first diffusion hole (85) for distributing cooling air if the rotatable seal (53) is in a first position and a second diffusion hole (90) for distributing cooling air if the rotatable seal (53) is in a first position and if in a second position.