Helicopter rotor control systems
US4805850A · kind A · utility
3Cited by
2References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 8, 1987 |
| Grant date | Feb 21, 1989 |
| Priority date | — |
| Expiry date | Jun 8, 2007 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB64C27/58
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A helicopter rotor control system includes a plurality of control rods (31) extending downwardly from pitch control means (24) through a hollow rotor drive shaft (12) and gearbox (14) for connection directly to individual actuators (36) located generally concentrically of an axis of rotation (15).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.