Tapered tip turbine blade

Fluid reaction surfaces (i.e. – impellers) – With heating – cooling or thermal insulation means – Changing state mass within or fluid flow through working...

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416 92, 416 95, 416 97A, 416231B, 416232, 416235, 416237, 415115, F01D 1108, F01D 528

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active

060863285

ABSTRACT:
A turbine blade includes a hollow airfoil extending from an integral dovetail. The airfoil includes sidewalls extending between leading and trailing edges and longitudinally between a root and a tip. The sidewalls are spaced apart to define a flow channel for channeling cooling air through the airfoil. The tip is tapered longitudinally above at least one of the sidewalls and decreases in thickness.

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J. Mayer et al, "Tapered Tip-Rib Turbine Blade," US patent application Ser. No., filed concurrently herewith (Docket 13DV-12871).
Patent Application Serial No. 09/323,375, filed Jun. 1, 1999, entitled "Turbine Blade Tip with Offset Squealer," filed by General Electric Company.

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