Blade for a low pressure section of a steam turbine engine

A steam turbine rotating blade (20) for a low pressure section of a steam turbine engine (10) is disclosed. The steam turbine rotating blade (20) includes an airfoil portion (42). A root section (44) is attached to one end of the airfoil portion (42). A dovetail section (40) projects from the root s...

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Bibliographische Detailangaben
Hauptverfasser: RIAZ, MUHAMMAD SAQIB, STATHOPOULOS, DIMITRIOS
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:A steam turbine rotating blade (20) for a low pressure section of a steam turbine engine (10) is disclosed. The steam turbine rotating blade (20) includes an airfoil portion (42). A root section (44) is attached to one end of the airfoil portion (42). A dovetail section (40) projects from the root section (44), wherein the dovetail section (40) includes a skewed axial entry dovetail (40). A tip section (46) is attached to the airfoil portion (46) at an end opposite from the root section (44). A cover (48) is integrally formed as part of the tip section (46). A part span shroud (50) is attached at an intermediate section of the airfoil portion (42) between the ends thereof. The blade (20) includes an exit annulus area of about 47.7 ft 2 (4.43m 2 ) or greater.