Drag-optimised ram-air duct and process for controlling a mass flow of ambient air or cooling air through a ram-air duct
US8262018B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 2, 2010 |
| Grant date | Sep 11, 2012 |
| Priority date | — |
| Expiry date | Dec 16, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/0645
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A ram-air duct includes a ram-air inlet duct and a ram-air outlet duct arranged downstream of the ram-air inlet duct and in fluid communication with the ram-air inlet duct. At an inlet of the ram-air inlet duct, a first movable element is arranged and adapted to set an inlet parameter of the inlet. At an outlet of the ram-air outlet duct, a second movable element is arranged and adapted to set an outlet parameter of the outlet. The outlet parameter and the inlet parameter are linked together by a function, so that an outlet parameter corresponding to a value of the function is assigned to each inlet parameter. A controller implements the control function by actuating movements of the first and second movable elements.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.