High ratio, reduced size epicyclic gear transmission for rotary wing aircraft with improved safety and noise reduction
US6966865B2 · kind B2 · utility
15Cited by
4References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 10, 2003 |
| Grant date | Nov 22, 2005 |
| Priority date | — |
| Expiry date | Dec 5, 2023 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H57/082
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A high ratio, double helical epicyclic gear transmission that is primarily intended for use in rotary wing aircraft employs double helical planet gears to obtain a reduction in size of the transmission, to improve the safety of the transmission, and to reduce the noise created by operation of the transmission.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.