Gas turbine rotor

Fluid reaction surfaces (i.e. – impellers) – Rotor having flow confining or deflecting web – shroud or... – Axially extending shroud ring or casing

Reexamination Certificate

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Details

C416S500000

Reexamination Certificate

active

07874803

ABSTRACT:
On a gas turbine rotor with internally cooled airfoils (4) of the turbine rotor blades and a mechanical sealing and damping element arranged between opposite side faces (6) of adjacent blade platforms (7), the gap is additionally aerodynamically sealed against the hot gas flow, by cooling air supplied from a cavity (5) of the airfoils via a cooling duct (9) into the gap between the side faces (6).

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European Search Report dated Nov. 10, 2008 from counterpart European patent application.

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