Blade pitch actuation mechanism
US7976279B2 · kind B2 · utility
7Cited by
11References
33Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 11, 2007 |
| Grant date | Jul 12, 2011 |
| Priority date | — |
| Expiry date | May 11, 2030 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB64C11/38
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A blade pitch actuation mechanism for a plurality of propeller blades supported in a blade hub comprises a plurality of bearing assemblies, a bearing support plate and a yoke. The plurality of bearing assemblies receives a plurality of actuation trunnion pins from the plurality of propeller blades. The bearing support plate is connected to the plurality of bearing assemblies and unifies the plurality of bearing assemblies in a ring-like configuration. The yoke is connected to the bearing support plate and translates within the hub to adjust the pitch of the plurality of propeller blades.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.