Fully integrated aircraft cabin pressure control system valve
US6945278B2 · kind B2 · utility
10Cited by
43References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 30, 2003 |
| Grant date | Sep 20, 2005 |
| Priority date | — |
| Expiry date | Oct 3, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/6906
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An aircraft cabin pressure control system valve integrates three cabin pressure control functions, main cabin flow control, positive pressure relief, and negative pressure relief, into a single valve package. The valve includes a control valve that is used for main cabin flow control, for primary positive pressure relief, and primary negative pressure relief. The valve can also include a positive pressure relief valve and a negative pressure relief valve, which are used for backup positive pressure relief and negative pressure relief, respectively. An actuator for the valve is also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.