Microcircuit cooling for blades

Details Microcircuit cooling for blades Microcircuit cooling for blades

2007-12-25

2007-12-25

Edgar, Richard (Department: 3745)

Fluid reaction surfaces (i.e., impellers)

With heating, cooling or thermal insulation means

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

Reexamination Certificate

active

11286793

ABSTRACT:
A turbine engine component such as a turbine blade includes an airfoil portion formed by a suction side wall and a pressure side wall, and a cooling microcircuit incorporated in at least one of the suction side wall and the pressure side wall. The cooling microcircuit comprises a channel through which a cooling fluid flows, at least one exit hole for distributing cooling fluid over a surface of the turbine blade, and internal features within the channel for accelerating the flow of cooling fluid prior to the cooling fluid flowing through the at least one exit hole.

REFERENCES:
patent: 6254334 (2001-07-01), LaFleur
patent: 1091091 (2001-04-01), None
patent: 1505257 (2005-02-01), None
patent: 2001-107704 (2001-04-01), None

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