Method and apparatus for reducing turbine blade temperatures

Details Method and apparatus for reducing turbine blade temperatures Method and apparatus for reducing turbine blade temperatures

2007-05-15

2007-05-15

Look, Edward K. (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

10824283

ABSTRACT:
An airfoil for a gas turbine engine includes a first sidewall and a second sidewall coupled together at a leading edge and a trailing edge, such that a cavity is defined therebetween. A plurality of rib walls extend at least partially between the first and second sidewalls, wherein the plurality of rib walls define at least one cooling circuit having at least three cooling chambers. At least one row of openings extend through at least one of the rib walls, wherein a first of the cooling chambers supplies cooling fluid to the cavity, and the remaining cooling chambers are coupled in flow communication with the first cooling chamber via the openings.

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