System and method for active clearance control
US9260974B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 25, 2012 |
| Grant date | Feb 16, 2016 |
| Priority date | — |
| Expiry date | Apr 27, 2035 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2250/324
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
Active clearance control ejector systems and methods are disclosed. An example system may include an air ejector; an entrance pipe arranged to supply compressor bleed air to the air ejector; an inlet duct arranged to supply fan bypass air to the air ejector; and a supply pipe arranged to receive ejector outlet air from the air ejector and supply the ejector outlet air to an active clearance control system. The ejector outlet air may include a mixture of the compressor bleed air and the fan bypass air. The air ejector may include a venturi arranged to conduct the compressor bleed air therethrough, thereby drawing the fan bypass air into the air ejector.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.