Turbine tip clearance control method and system
US10358933B2 · kind B2 · utility
3Cited by
4References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 31, 2017 |
| Grant date | Jul 23, 2019 |
| Priority date | — |
| Expiry date | Aug 31, 2037 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2270/30
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A method of controlling a rotor tip clearance in a gas turbine engine (10). The method comprises determining an engine or component remaining useful life Tr, and controlling a tip clearance control arrangement (38) to maintain a rotor tip clearance (36) at a target tip clearance Dtarget. The target tip clearance Dtarget is determined in accordance with a function of remaining engine life Tr.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.