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US 5,346,251 AGranted
Overpressure regulating airbag inflator
AssigneeAutomotive Systems Laboratory, Inc.
InventorsDennis W. Burnard, Steven Kmenta, Timothy E. Hughes
Life of this patent
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Abstract
An inflator for an inflatable vehicle occupant restraint system comprises a housing with an arcuate stress concentration groove therein of reduced cross section relative to the remainder of the housing whereby the groove ruptures upon the occurrence of a predetermined pressure internally of the housing.
Claims2
In an inflatable vehicle occupant restraint system comprising an inflator housing with a gas producing pyrotechnic therein,
- an improved overpressure regulating system for said inflator housing comprising an arcuate stress concentration groove in said housing of reduced cross section relative to the remainder of said housing whereby said groove ruptures upon the occurrence of a predetermined pressure internally of said housing.
Dependencies are inferred from the claim text.