| 摘要 |
An air bag system includes an inflator operable to release inflation fluid, a cushion inflatable upon release of inflation fluid, and an air bag housing having a vent substantially surrounding the cushion. A first plate includes a first portion defining a first opening and a second portion defining a second opening. The first plate is movable from a first position, wherein the first opening is aligned with the vent, to a second position, wherein the second opening is aligned with the vent. A second plate including a first portion defining a first opening and a second portion defining a second opening may also be provided. The second plate is preferably movable from a first position, wherein the first opening is aligned with the vent, to a second position, wherein the second opening is aligned with the vent. The first and second plates preferably interact to define four distinct vent areas.
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