Dual chamber airbag cushions with a safety vent in the front chamber

US7938445B2 · kind B2 · utility

Assignee

• Autoliv ASP, Inc. · US

Inventors

• Brad Smith · Plain City, US
• Jeffrey D. Williams · Roy, US
• Larry D. Rose · South Weber, US
• Greg Waters · Riverdale, US
• Mark L. Enders · Ogden, US
• John C. Newkirk · Layton, US
• Patrick Jamison · North Ogden, US
• Kent Potter · Brigham City, US
• Shankar Balaskandan · Salt Lake City, US
• Changsoo Choi · Rochester, US
• Ralph Tree · Farr West, US

Key dates

• Filing date: Mar 3, 2009
• Grant date: May 10, 2011
• Expiry date: Mar 3, 2029

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B60R2021/2395
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

An airbag cushion has two chambers to permit the front chamber to inflate less rapidly than the back chamber for cushioning the head of an occupant in a vehicle with less force than the chest of an occupant is cushioned by the back chamber. The front chamber has at least one safety vent.