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Energy Source Selection for Inflatable Occupant Restraint System
ISSN: 0148-7191, e-ISSN: 2688-3627
Published February 01, 1971 by SAE International in United States
Annotation ability available
Engineering design features of three types of energy sources for the Inflatable Occupant Restraint System (IORS) are reviewed. These systems use:
A combination of compressed gas and propellant as a power source for the inflation of the restraint cushion.
An analysis is presented of each system with advantages and disadvantages related to specific design parameters. The analysis is restricted to present state-of-the-art systems. It is also based on strictly engineering design features with recognition that product cost, patent position, and other intangibles are factors in final energy source selection.
The analysis indicates several important advantages of the combined propellant-air (hybrid) system over one or both of the other two. These are:
Ability to obtain nontoxic gases with currently developed propellants.
More flexibility in control of gas thermodynamics.
The small propellant weight requirements.
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CitationJohnson, J., McComb, R., McDonnell, T., and Trowbridge, D., "Energy Source Selection for Inflatable Occupant Restraint System," SAE Technical Paper 710017, 1971, https://doi.org/10.4271/710017.
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