Patent ID: 8807928

Claim:
A tip shroud assembly for use with a turbine engine, comprising: a shroud comprising a first end Z-notch and a second end Z-notch; a seal rail on the shroud; and a contoured fillet attaching the seal rail to the shroud, the contoured fillet comprising a Z-notch section about the first end Z-notch of the shroud and one or more linear sections towards the second end Z-notch of the shroud; wherein the Z-notch section comprises a plurality of expanding Z-notch radii adjacent to the contoured fillet, the Z-notch radii expanding between the one or more linear sections of the contoured fillet and the Z-notch section about the first end Z-notch, such that a mass of the contoured fillet at the Z-notch section is greater than a mass of the contoured fillet at the one or more linear sections.