Chamfer rail pockets for turbine vane shrouds

Details Chamfer rail pockets for turbine vane shrouds Chamfer rail pockets for turbine vane shrouds

2011-04-12

2011-04-12

Kershteyn, Igor (Department: 3745)

Rotary kinetic fluid motors or pumps

Including thermal expansion joint

Circumferentially spaced nozzle or stator segments

C415S110000, C415S191000, C415S170100, C029S888300

Reexamination Certificate

active

07922444

ABSTRACT:
A shroud rail for retaining a feather seal in a vane shroud of a gas turbine engine comprises a slot for, receiving the feather seal, and a chamfer rail pocket for lightening the shroud rail. The slot traverses the vane shroud and includes a slot base extending from a leading edge to a trailing edge of the shroud rail, and a slot wall extending generally perpendicularly from the slot base. The chamfer rail pocket comprises a pocket wall extending along the slot wall, and a chamfer wall extending from the pocket wall at an angle oblique to the slot base.

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