Variable vane arm/unison ring attachment system
US7448848B2 · kind B2 · utility
14Cited by
7References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 2, 2005 |
| Grant date | Nov 11, 2008 |
| Priority date | — |
| Expiry date | Aug 3, 2026 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2260/79
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An attachment system for use with a variable incidence vane is disclosed. The attachment system includes a vane arm for joining a unison ring to a vane spindle. The vane arm has an arm portion and a bushing connected to the arm portion. The attachment system further has a pin for joining the vane arm to the unison ring. The pin fits within an interior bore in the bushing and is joined to the unison ring by a dual swage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.