Turbine rotor disk with integral blade cooling air slots and pumping vanes
US5143512A · kind A · utility
30Cited by
6References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 28, 1991 |
| Grant date | Sep 1, 1992 |
| Priority date | — |
| Expiry date | Feb 28, 2011 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01D5/082
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A rotor disk for a gas turbine engine includes a central load-bearing web portion and a centrifugal pump portion located externally of the load-bearing web portion for pumping cooling air into an array of turbine blades. The pump portion includes an enlarged material section formed homogeneously with the web portion and extends axially forwardly and radially inwardly from the rim of the disk.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.