초록 ▼

A turbine nozzle includes a seal pad mounted to a seal support from an inner band thereof. The seal pad is provided for cooperating with seal teeth in an interstage seal. A bypass aperture extends through the seal support to bypass cooling air around the seal pad for providing relatively cool air af

A turbine nozzle includes a seal pad mounted to a seal support from an inner band thereof. The seal pad is provided for cooperating with seal teeth in an interstage seal. A bypass aperture extends through the seal support to bypass cooling air around the seal pad for providing relatively cool air aft of the seal teeth for improving cooling of the interstage seal in this region.

대표청구항 ▼

1. A turbine nozzle comprising:a plurality of hollow stator vanes extending between outer and inner bands, and including a flow passage having an inlet in said outer band and an outlet in said inner band for channeling cooling air therethrough; a seal support extending from said inner band laterally

1. A turbine nozzle comprising:a plurality of hollow stator vanes extending between outer and inner bands, and including a flow passage having an inlet in said outer band and an outlet in said inner band for channeling cooling air therethrough; a seal support extending from said inner band laterally therealong for supporting a seal pad; and a bypass aperture extending through said seal support with an inlet on a forward side of said seal support disposed in flow communication with said flow passage outlet for receiving said cooling air therefrom for bypass around said seal pad for discharge through an outlet disposed at an aft end of said seal pad.