| 摘要 |
A spool valve (304) controls the release of gas from a pressure vessel (50) into an airbag upon the release of the gas in the event of a collision. The valve (304) uses pilot pressure acting on either end of the spool (308) to actuate the spool (308). The position of the spool (308) within the valve (304) determines the flow rate through the valve (304).
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