| 摘要 |
The method is carried out using a system, so that according to anti-noise regulations, air is sucked from the interior of the vehicle as synchronously as possible and correlated to the air bag expansion. The pumping system includes a gas jet pump (42) as a suction set, a pneumatic oscillating pump, which is also driven by a gas generator (41) and the exhaust gas. The suction air is delivered in the boot space, also in the engine and luggage compartments. In addition to the natural passive control of the air flow, if this is insufficient, flow control operated also from the gas generator is used.
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