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Temperature Compensated Stored Gas Inflator
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English
Abstract
The Temperature Compensated Stored Gas inflator provides output gas which is completely clean and cool, with significantly narrower temperature dependence than a traditional stored gas inflator. During discharge, the exiting gas which has been cooled by decompression can be reheated by flowing through a passive thermal reservoir. A valving device maximizes this heat addition at cold initial conditions and minimizes heat addition at hot initial conditions. The inflator is simple in principle with few parts, completely free of particulate emissions, and environmentally attractive. Pulse-shaping is also provided by mechanical means.
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Materna, P., "Temperature Compensated Stored Gas Inflator," SAE Technical Paper 960669, 1996, https://doi.org/10.4271/960669.Also In
Occupant Protection Technologies for Frontal Impact: Current Needs and Expectations for the 21st Century
Number: SP-1144; Published: 1996-02-01
Number: SP-1144; Published: 1996-02-01
References
- Materna, P. “Advances in Analytical Modeling of Airbag Inflators,” SAE Paper 920120 SAE International Congress February 1992
- Materna, P. “Analytical Modeling of Pyrotechnic Airbag Inflators,” Airbag 2000 Conference Karlsruhe, Germany November 1992
- Van Wylen, G. Sonntag, R. Borgnakke, C. Fundamentals of Classical Thermodynamics Fourth John Wiley & Sons 1994
- Reynolds, W. C. Thermodynamic Properties in SI Stanford University 1979
- Kays, W. M. London, A. L. “Compact Heat Exchangers,” 2nd McGraw-Hill Book Company Palo Alto 1964