Method and device for controlling the filling of an airbag for a vehicle and an airbag system

An airbag system for a vehicle for protecting a person in the event of a collision of the vehicle, comprising:

• an airbag, which has a gas sack and a gas generator;
• and
• a device for controlling a filling of an airbag, wherein the device is connected to the gas generator of the airbag;
• wherein the device includes:
• a closing mechanism to close a valve of a gas generator for the airbag situated on an interface to a gas sack of the airbag after a main volume of gas has flowed out of the gas generator, through the valve into the gas sack in a first gas mass flow;
• and
• an opening mechanism for opening the valve to direct a residual volume of gas out of the gas generator, through the valve into the gas sack in a second gas mass flow, the second gas mass flow being smaller than the first gas mass flow.

A computer readable medium having a computer program, which is executable by a processor, comprising:

• a program code arrangement having program code for controlling a filling of an airbag for a vehicle, by performing the following:
• closing a valve of a gas generator for the airbag, the valve being situated at an interface to a gas sack of the airbag after a main volume of gas has flowed out of the gas generator, through the valve into the gas sack in a first gas mass flow;
• and
• opening the valve to direct a residual volume of gas out of the gas generator, through the valve into the gas sack in a second gas mass flow, the second gas mass flow being smaller than the first gas mass flow.