Constant area vent for external crash attenuation airbag
US9045222B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 30, 2011 |
| Grant date | Jun 2, 2015 |
| Priority date | — |
| Expiry date | Aug 3, 2031 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB64D2201/00
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
The external crash attenuation airbag includes an inflatable bladder which is inflatable to an exterior of an aircraft, so that the inflatable bladder is generally located between the aircraft and a crash surface when inflated. The airbag includes a vent configured to burst at a predefined burst pressure, the vent being located along a side portion of the inflatable bladder. The airbag also includes a vent support located approximate the vent, the vent support being configured to prevent deformation and therefore maintain the effectiveness of a venting area of the vent, and the vent support being rigid and annular and includes an upper portion and a lower portion that are hinged together around the vent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.