Method of replacing an abradable portion on the casing on a turbojet fan
US7278208B2 · kind B2 · utility
22Cited by
5References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 21, 2004 |
| Grant date | Oct 9, 2007 |
| Priority date | — |
| Expiry date | Oct 5, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49764
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A simple and low cost method of replacing an abradable portion on the fan casing of a turbojet includes an inside heating belt together with holding sectors therefor are put into place against the abradable portion, each holding sector including an inflatable bladder, and the abradable portion and the inside heating belt being sandwiched in full between the fan casing and the bladders, the holding sectors themselves being held in place by a plurality of straps attached to the fan casing by fixing points.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.