Steam Turbine Hollow Blade
AssigneeMitsubishi Power, Ltd.
InventorsYasuhiro SASAO, Soichiro TABATA, Ryo TAKATA, Nao TANIGUCHI
Life of this patent
Estimating the term…
Abstract
A steam turbine hollow stationary blade is able to reduce the amount of water droplets captured on a blade surface. The steam turbine hollow stationary blade, which has a cavity therein, includes a partition wall dividing the cavity into a pressure chamber on a leading edge side and an exhaust chamber on a trailing edge side, at least one steam inlet hole connecting the pressure chamber and an outside of the stationary blade to each other, and at least one pressure conditioning hole connecting the pressure chamber and the exhaust chamber. Total opening area of the pressure conditioning hole is smaller than total opening area of the steam inlet hole.
Claims5
A steam turbine hollow stationary blade, that has a cavity therein, comprising:
- a partition wall dividing the cavity into a pressure chamber on a leading edge side and an exhaust chamber on a trailing edge side;
- at least one steam inlet hole connecting the pressure chamber and an outside of the stationary blade to each other;
- and
- at least one pressure conditioning hole connecting the pressure chamber and the exhaust chamber, wherein
- total opening area of the pressure conditioning hole is smaller than total opening area of the steam inlet hole.
Dependencies are inferred from the claim text.