Blade-pitch control system with indexing swashplate
US9365288B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 15, 2012 |
| Grant date | Jun 14, 2016 |
| Priority date | — |
| Expiry date | Mar 15, 2035 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB64C27/605
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
The present application includes a blade-pitch control system with an indexing swashplate. A swashplate assembly has a non-rotating portion and a rotating portion and an indexing portion of the mast. The swashplate assembly is translatably affixed to the indexing portion. A pitch link connects the rotating portion of the swashplate assembly to each blade. Translation of the swashplate assembly along the indexing portion causes a change in pitch of the blades and a corresponding indexing of the rotating portion of the swashplate assembly relative to the mast, the indexing causing a change in an angular orientation of each pitch link, thus providing for selected pitch-flap coupling between flapping motion of the yoke and pitch motion of the blades.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.