Helicopter rotor and method of repairing same
US7237751B2 · kind B2 · utility
9Cited by
12References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 15, 2004 |
| Grant date | Jul 3, 2007 |
| Priority date | — |
| Expiry date | Jul 27, 2025 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB64C27/473
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An aerofoil, particularly a helicopter main rotor blade has a leading edge protector comprising a strip of resilient polymer, preferably polyurethane, adhered to the leading edge of the flex section of the blade.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.