Gas turbine engines with internally stretched tie shafts
US9896938B2 · kind B2 · utility
0Cited by
11References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 5, 2015 |
| Grant date | Feb 20, 2018 |
| Priority date | — |
| Expiry date | Feb 20, 2036 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2260/31
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A tie shaft for a rotating group of an engine core includes a cylindrical body having an internal surface and an external surface and extending between a forward end and an aft end. The tie shaft further includes a first group of internal grooves on the internal surface of the cylindrical body proximate to the forward end and a second group of internal grooves on the internal surface of the cylindrical body proximate to the aft end.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.