Pressure frame designed in particular for an aircraft
US6378805B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | May 9, 2000 |
| Grant date | Apr 30, 2002 |
| Priority date | — |
| Expiry date | May 9, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB64C1/10
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A pressure frame, designed in particular for an aircraft, including a dome-shaped cover made of composite materials reinforced with fibers, preferably in one single piece, and cover reinforcing devices connected to the cover or produced integrally therewith. To reduce weight and cost while still fulfilling strain requirements, particularly of large aircraft, and to reduce the risk of destruction due to the cover being turned inside out towards the inside of the aircraft, the cover is of essentially uniform thickness and includes at least one cover reinforcing device which is mounted in the central area on the concave side of the cover. Advantageously, this cover reinforcing device in the central area is formed by a reinforcing structure oriented against the curvature of the cover, such as at truncated cone-shaped, mug-shaped or parabolic structure, with a cavity being arranged between the cover and the reinforcing structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.