System and method of gas turbine engine shaft cooling
US10563590B2 · kind B2 · utility
11Cited by
8References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 19, 2016 |
| Grant date | Feb 18, 2020 |
| Priority date | — |
| Expiry date | May 1, 2038 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T50/60
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A method of cooling a shaft of a gas turbine engine includes moving a control valve towards a position that inhibits fluid flow from a high pressure air source to an air turbine starter and enables fluid flow from a blower motor to the air turbine starter, in response to a gas turbine engine shutdown. The method further includes operating the blower motor to provide air to the air turbine starter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.