Low pressure compressor variable vane control for two-spool turbofan or turboprop engine
US10167783B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 9, 2012 |
| Grant date | Jan 1, 2019 |
| Priority date | — |
| Expiry date | Apr 9, 2037 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49229
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A system and a method for adjusting an angle of at least one stator vane of a low pressure compressor (LPC) of a two spool gas turbine engine is disclosed. Variable stator vanes are rotatably coupled to a stationary case in one of the stages of the LPC. An actuator is coupled to at least one of the variable stator vanes for imparting rotation of the stator vane about a radius of the case. Various coupling or linkage arrangements may be made so that rotation of one vane results in rotation of the other vanes disposed along the case. The controller includes the stored constraints, the ability to estimate operating condition, and the ability to estimate optimum targets.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.