Patent ID: 6254346
Filing Date: 2001-07-03
Classification: F01D,F05D

Abstract:
A cooled gas turbine moving blade comprising:a cavity formed in the blade said cavity extending from a blade root portion to a tip end portion of the blade, a plurality of elongate turbulators formed on an inner wall of the cavity, said turbulators being arranged in parallel to each other and transverse to the blade axis that extends from the blade root portion to the tip end, and a casting core supporting rib formed in the cavity;a shroud provided on the tip end portion of the blade and having a plurality of parallel air cooling passages communicating with the cavity in the blade, each having an opening for discharging air therefrom;said moving blade being cooled by cooling air flowing from the blade root portion through said cavity in said blade and said passages in said shroud and discharged from said openings in said shroud.