Method of triggering a gas generator for an air bag in a motor vehicle

摘要

A method for triggering a gas generator for an air bag in a motor vehicle having acceleration sensors, air bags, and gas generators uses an air bag control unit for evaluating an impact. Evaluation of the impact takes place by using the signals of the acceleration sensors for triggering a gas generator. The gas generator has a triggerable valve which can be controlled into at least two conditions with a different passage cross-section. The air bag control unit controls the gas generator as a function of the seriousness of an accident such that the position of the valve of the gas generator alternates several times successively between two conditions in order to adapt the inflating operation to the collision.