Fan casing for an aircraft turbomachine directly incorporating abradable portions and having acoustic properties
US11788558B2 · kind B2 · utility
0Cited by
0References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 28, 2019 |
| Grant date | Oct 17, 2023 |
| Priority date | — |
| Expiry date | Aug 28, 2039 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T50/60
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A fan casing for an aircraft turbomachine, the casing including a one-piece annular body, the one piece annular body including a radially internal annular surface, a first annular portion of which is made of an abradable material, wherein a second annular portion of the internal surface comprises blind holes conferring acoustic properties to the second portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.