Control lever for the pitch angle of a blade in a turbomachine
US7281892B2 · kind B2 · utility
3Cited by
2References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 31, 2005 |
| Grant date | Oct 16, 2007 |
| Priority date | — |
| Expiry date | Nov 20, 2025 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D29/563
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A control lever for the pitch angle of a blade in a turbomachine, said lever having a first end intended to be mounted on a blade pivot so as to rotate it and a second end comprising a cylindrical peg for mounting on a control annulus, this peg being fixed by crimping of one of its ends in an orifice of the second end of the lever and comprising an annular flange to which is applied the second end of the lever, wherein stress distribution means are interposed between the second end of the lever and the crimped end of the peg.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.