Method and device for controlling the filling of an airbag for a vehicle and an airbag system
AssigneeRobert Bosch GmbH
InventorsJosef Kolatschek, Heiko Freienstein, Gian Antonio D'Addetta
Life of this patent
Estimating the term…
Abstract
A method for controlling the filling of an airbag for a vehicle includes closing a valve of a gas generator for the airbag, this valve being connected to an interface to a gas sack of the airbag, after a main volume of a 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.
Claims8
A method for controlling a filling of an airbag for a vehicle, the method comprising:
- 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.
A device for controlling the filling of an airbag for a vehicle, comprising:
- 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.
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 non-transitory 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.
Dependencies are inferred from the claim text.