Rotor provided with a device for protecting it against lightning, and an aircraft provided with such a rotor
US8985953B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 18, 2011 |
| Grant date | Mar 24, 2015 |
| Priority date | — |
| Expiry date | Jan 22, 2034 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB64D45/02
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A rotor (10) provided with a hub (11) and a plurality of blades (12), said rotor (10) including a mast (15) secured to said hub (11) and protection means (30) for providing protection against lightning. The protection means (30) comprise rotary electric current conduction means (32) constrained to rotate with said mast (15) and connected to each of the blades (12) via a respective first electrical connection member (31), said protection means (30) including non-rotary electric current conduction means (33) facing said rotary conduction means (32) while not being constrained to rotate with said mast (15), said protection means (30) including electrical connection trigger means (35), said non-rotary conduction means (33) being provided with a second electrical connection member (34) suitable for being electrically connected to a target member (38) external to said rotor (10).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.