Turbine rotor blade

A hollow turbine airfoil (12) includes pressure and suction sidewalls (22,24) extending in span between a root (26) and tip (28) and extending in chord between opposite leading and trailing edges (30,32). The pressure sidewall (22) includes a first pattern of first holes (38) distributed in span and...

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Bibliographische Detailangaben
Hauptverfasser:	PALMER, NICHOLAS CHARLES, KIRKENG, KEVIN LEE, LEE, CHING-PANG
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION ENGINE PLANTS IN GENERAL GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES STEAM ENGINES TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE WEAPONS
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Beschreibung
Zusammenfassung:	A hollow turbine airfoil (12) includes pressure and suction sidewalls (22,24) extending in span between a root (26) and tip (28) and extending in chord between opposite leading and trailing edges (30,32). The pressure sidewall (22) includes a first pattern of first holes (38) distributed in span and chord over a majority thereof, and a second pattern of different second holes (40) also distributed in span and chord over a minority of the pressure sidewall (22) between the tip (28) and the midspan of the airfoil (12).