Air filtration system for gas turbine engine pneumatic system
US8572985B2 · kind B2 · utility
11Cited by
25References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 26, 2009 |
| Grant date | Nov 5, 2013 |
| Priority date | — |
| Expiry date | Sep 5, 2032 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2260/607
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A gas turbine engine pneumatic system for controlling an air bleed valve includes a variable orifice device for controllably discharging air from the pneumatic system in order to reduce a maximum air pressure applied to the air bleed valve, to a predetermined level. A filter device is provided to filter the air discharged from the variable orifice.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.