Fanned trailing edge teardrop array

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

Reexamination Certificate

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C415S115000

Reexamination Certificate

active

11232701

ABSTRACT:
A component for use in a gas turbine engine is provided. The component has an airfoil portion with a plurality of internal cooling passages and a non-linear trailing edge. The component further has a non-linear array of teardrop shaped assemblies which form a plurality of injection slots for injecting a coolant fluid into a fluid passing over the airfoil portion. The teardrop shaped assemblies are designed to maximize thermal performance of the component by reducing a relative diffusion angle between the injected coolant flow and the streamline direction of the fluid passing over the airfoil portion.

REFERENCES:
patent: 4786233 (1988-11-01), Shizuya et al.
patent: 5288207 (1994-02-01), Linask
patent: 5503529 (1996-04-01), Anselmi et al.
patent: 5931638 (1999-08-01), Krause et al.
patent: 5975851 (1999-11-01), Liang
patent: 6164913 (2000-12-01), Reddy

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