Patent ID: 6227804
Filing Date: 2001-05-08
Classification: F01D,F05D

Abstract:
A gas turbine blade provided with a hollow blade effective section and a blade implanted section operatively connected to the blade effective section, said gas turbine blade including:a leading edge passage for guiding a cooling medium from a supply passage of the blade implanted section on a blade leading edge side of the hollow blade effective section;leading edge intermediate passages following the leading edge passage; anda trailing edge passage for guiding the cooling medium from the supply passage of a blade implanted section on a blade trailing edge side of the hollow blade effective section,said leading edge passage being provided with a heat transfer accelerating element which is arranged in a right ascendant state inclined to an advancing flow direction of the cooling medium when supplying the cooling medium from the blade implanted section to a blade tip section side,said trailing edge passage being provided with a heat transfer accelerating element which is arranged in a left (trailing edge counter side) ascendant state inclined to the advancing flow direction of the cooling medium when supplying the cooling medium from the blade implanted section to a blade tip section side.