Contra-rotating open fan propulsion system
US9835093B2 · kind B2 · utility
9Cited by
6References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 19, 2013 |
| Grant date | Dec 5, 2017 |
| Priority date | — |
| Expiry date | Oct 6, 2036 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2220/325
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
In one aspect a propulsion system comprises an engine and a drive assembly coupled to the engine, comprising a first driveshaft rotatable in a first direction about a first axis, a first fan coupled to the first driveshaft to rotate in the first direction, and a clutch assembly to selectively disengage the first fan from the first driveshaft. Other aspects may be described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.