Propeller for an aircraft turbo engine, including safety means for controlling blade angle of attack
US10640198B2 · kind B2 · utility
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12References
12Claims
0Family size
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Key dates
| Filing date | Apr 24, 2017 |
| Grant date | May 5, 2020 |
| Priority date | — |
| Expiry date | Dec 10, 2037 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T50/60
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
In order to simplify the design of an aircraft turbo engine propeller while enhancing the safety function thereof related to control of the blade angle of attack, a propeller is provided comprising a secondary rotational coupling to couple in rotation, along the radial axis of the blade, the inner radial end of the blade root with a mechanical joining member of a blade angle of attack control device, the secondary coupling being designed and configured to be active in the event of failure of the main pin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.