Turbine nozzle retention key
US7410345B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 11, 2005 |
| Grant date | Aug 12, 2008 |
| Priority date | — |
| Expiry date | Feb 6, 2027 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01D9/042
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A retaining key for a turbine nozzle includes a key body having top and bottom surfaces, a pair of sides and a pair of ends including a forward end having a pair of horizontal shoulders on opposite sides of a center rib, the shoulders located substantially midway between the top and bottom surfaces such that the forward end has a substantially inverted T-shaped profile, and a rearward end having a first surface portion extending from and substantially perpendicular to the top surface and a second surface portion extending at an acute angle downwardly and toward the forward end and intersecting the bottom surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.