Patent ID: 8905716

Claim:
A sealing system for a gas turbine engine, the system comprising: an arcuate first ladder seal segment that includes: a central portion; an upstream flange adjoining the central portion and defining an upstream edge of the segment that is angled radially outward relative to an arc radius of the arcuate first ladder segment, wherein in an uninstalled state the upstream flange is arranged at an angle θ u greater than 0° and less than 90° relative to a given tangential plane; and a downstream flange adjoining the central portion opposite the upstream flange and defining a downstream edge of the segment that is angled radially outward relative to the arc radius of the arcuate first ladder segment, wherein in the uninstalled state the downstream flange is arranged at an angle θ D greater than 0° and less than 90° relative to the given tangential plane; and a plurality of openings.