Patent ID: 9103218
Filing Date: 2015-08-11
Classification: F01D,F05B,F05D,Y02T

Abstract:
1. A turbine rotor blade assembly, comprising: a turbine rotor blade; and a shroud section at a radially outer end of the turbine rotor blade, wherein the shroud section has: a first sealing fin and a second sealing fin extending in a circumferential direction of the shroud section, wherein the first sealing fin is parallel to the second sealing fin; a first Z-shaped wall and a second Z-shaped wall extending between the first and second sealing fins; a first rib extending along an outer face of the shroud section, wherein the first rib extends substantially in a direction of a principal axis of inertia of the turbine rotor blade, substantially perpendicular to a bending axis of the shroud section, and extends across the turbine rotor blade; and a second rib, wherein the first and second ribs extend parallel to one another and are disposed between the first and second Z-shaped walls; wherein pockets are defined by the first and second sealing fins and the first and second ribs.