Turbine cooling vane of gas turbine engine

Details Turbine cooling vane of gas turbine engine Turbine cooling vane of gas turbine engine

2007-11-27

2007-11-27

Edgar, Richard A. (Department: 3745)

Fluid reaction surfaces (i.e., impellers)

With heating, cooling or thermal insulation means

Changing state mass within or fluid flow through working...

C416S09600A, C416S232000

Reexamination Certificate

active

10544844

ABSTRACT:
A cooled blade of a small gas turbine engine can enhance cooling performance without increasing the amount of cooling air in a simple configuration. A cooled turbine blade is provided with a cooling passageway12formed inside thereof, making the cooling air flow therein. Film-cooling holes13penetrate from an inner wall surface111to an external wall surface112and form a cooling film. An impingement cooling member2has a multiple number of small holes21ejecting the cooling air. A gap t made by the inner wall surface111and the impingement cooling member2has a sealing portion14mounted thereon which divides the gap in a blade chord direction.

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