Composite-steel hybrid mast for rotorcraft
US7938628B2 · kind B2 · utility
7Cited by
7References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 15, 2007 |
| Grant date | May 10, 2011 |
| Priority date | — |
| Expiry date | Jan 25, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/1359
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A composite-steel hybrid mast for a rotorcraft includes a tubular, steel portion having an internal surface defining a space therein and a composite portion disposed within the space defined by the internal surface of the steel portion and held in a fixed spatial relationship with respect to the internal surface of the steel portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.