TURBINE BLADE TIP SHROUD SURFACE PROFILES

A tip shroud (220) includes a pair of opposed, axially extending wings (232, 234) configured to couple to an airfoil (202) at a radially outer end (222) thereof. The tip shroud (220) also includes a tip rail (250) extending radially from the pair of opposed, axially extending wings (232, 234). Tip s...

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Bibliographische Detailangaben
Hauptverfasser:	ZEMITIS, William Scott, TAN, Derek Kanoa, PILSON, Richard Ryan, GRAY, Brian Stephen, ROMAN-MORALES, Felipe
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING ENGINE PLANTS IN GENERAL HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES STEAM ENGINES WEAPONS
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Beschreibung
Zusammenfassung:	A tip shroud (220) includes a pair of opposed, axially extending wings (232, 234) configured to couple to an airfoil (202) at a radially outer end (222) thereof. The tip shroud (220) also includes a tip rail (250) extending radially from the pair of opposed, axially extending wings (232, 234). Tip shroud surface profiles may be of the downstream side (254) and/or upstream side (252) of the tip rail (250), a leading Z-notch (276) of the tip shroud (220), and/or a downstream radially inner surface (242) of a wing (234). The surface profiles may have a nominal profile substantially in accordance with at least part of Cartesian coordinate values of X and Y, and perhaps Z and a thickness, set forth in a respective table. The radially inner surface (242) of the wing (234) may define a protrusion (282) extending along the radially outer end (222) of the airfoil (202), the suction side fillet (280), and a radial inner surface (242) of the wing (234) to an axial edge (284) of the wing (234).