Geartrain coupling for a turbofan engine
US7021042B2 · kind B2 · utility
411Cited by
17References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 13, 2002 |
| Grant date | Apr 4, 2006 |
| Priority date | — |
| Expiry date | Mar 19, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S384/913
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Molybdenum disulfide (MoS2) is used as a journal coating for a gearing system. A particular application is the planetary gear system of a geared turbofan engine. Particularly advantageous coatings are deposited via physical vapor deposition (PVD) techniques.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.