System for modulating turbine blade tip clearance
US10415419B2 · kind B2 · utility
19Cited by
1References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 13, 2017 |
| Grant date | Sep 17, 2019 |
| Priority date | — |
| Expiry date | Jan 31, 2038 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2300/505
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A system for modulating turbine blade tip clearance is provided. The system may comprise an actuation control system having at least one actuator configured to modulate turbine blade tip clearance between a turbine blade tip and a blade outer air seal (BOAS). Each actuator may be coupled to the BOAS. Each actuator may comprise a solid-state motion amplification device such as a flextensional actuator. The actuators may be configured to move the BOAS in a radial direction from a first position to a second position to control tip clearance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.