Blade fold method and apparatus for a tilt rotor hub
US10933986B2 · kind B2 · utility
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28References
19Claims
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Assignee
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Key dates
| Filing date | Jun 22, 2018 |
| Grant date | Mar 2, 2021 |
| Priority date | — |
| Expiry date | Sep 23, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB64C29/0033
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A folding rotor blade assembly includes a blade fold support and a blade-fold actuator system coupled to the blade fold support. The blade-fold actuator system includes a motor, a tab configured to selectively prevent rotation of a blade tang of a rotor blade, and a cam connected to the blade fold support and coupled to the motor, the cam configured to move the tab between a locked position that prevents rotation of the blade tang and an unlocked position that permits rotation of the blade tang.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.