Abstract: The present application provides a turbine nozzle vane retention system.

Abstract: A turbine nozzle attachment assembly includes an outer turbine component (a shroud or a turbine shell) formed with a circumferential groove open in a forward-facing axial direction; a nozzle segment including a vane extending between inner and outer bands, the outer band provided with an upstanding annular hook formed with a hook element extending in an aft-facing axial direction and received in the circumferential groove. The upstanding annular hook and hook element are formed with a circumferentially-oriented slot. An anti-rotation block is located in the circumferentially-oriented slot, and an anti-tipping plate having a circumferential width greater than a corresponding circumferential width of the circumferentially-oriented slot substantially covers a forward face of the anti-rotation block. The anti-rotation block and the anti-tipping plate are fastened directly to the outer turbine component.

Abstract: A retaining ring for a turbine nozzle of a gas turbine is disclosed. The retaining ring includes a main body and a pair of circumferential retaining lands projecting inward radially from the main body. The pair of circumferential retaining lands may be configured to be attached to a nozzle. Additionally, each retaining land of the pair of circumferential retaining lands may be segmented along its circumferential length.