The present disclosure describes a roof airbag apparatus for mobility which protects the occupant seated in the cabin in such a manner that the roof airbag is deployed downward from the cabin roof, and safely protects the occupant from impact in such a manner that the occupant is securely restrained by the airbag as the deployment shape of the airbag is maintained.

An airbag apparatus for a vehicle is proposed. The airbag apparatus is configured to protect an occupant from an impact during a vehicle collision, to restrain the occupant to minimize occupant injuries, and to have improved storage performance to reduce a seat package volume.

The invention relates to an airbag module (12) comprising a restraint airbag (30) which is inflated in a situation of restraint and, in an inflated state, has a restraining effect on an occupant (16), and at least one backup member (36, 36a, 36b) which, in a restraining state, is at least in portions in contact with the inflated restraint airbag (30) and is configured so that it backs the restraint airbag (30) and in particular absorbs a force (F) applied to the restraint airbag (30) by contacting a vehicle occupant (16), wherein, in the inflated state, the restraint airbag (30) is interposed between the backup member (36, 36a, 36b) and the vehicle occupant (16), wherein the backup member (36, 36a, 36b) is arranged, in an initial state, on or in the airbag module. The invention also relates to a vehicle seat and a vehicle comprising an airbag module according to the invention.

A method for manufacturing a one-piece woven (OPW) air bag includes method for manufacturing an OPW airbag. The method includes providing yarns, warping the yarns on at least one beam of a loom, and simultaneously weaving yarns into a fabric air bag structure having two layer portions defining an inflatable volume and single layer portions forming seams delimiting the inflatable volume. A plurality of the yarns overlay one another to form nonwoven alignment elements in at least one of the single layer portions. The air bag structure is cut to define the OPW air bag. The alignment elements are aligned with alignment elements on a panel. The air bag structure is sewn to the panel with the alignment elements aligned with one another.

The invention describes a vehicle occupant restraint system (2) comprising a control unit and at least two restraint elements (8, 10) for the protection of lower extremities (6, 6′, 7, 7′) in the area of a footwell (4) of a vehicle of a vehicle occupant seated in a particular vehicle seat of the vehicle, wherein a first restraint element (8) is configured as a knee airbag module (12), wherein a second restraint element (10) is provided for mounting into the footwell (4) of the vehicle, especially in an area of the footwell (4) of the vehicle arranged in the vehicle longitudinal direction (x) ahead of the knee airbag module (12), wherein, in a situation of restraint, the control unit can differentiate between different given situations, wherein the given situation can be determined via a vehicle seat position and parameters relating to vehicle occupants, wherein, in the situation of restraint, when a situation is given in which the vehicle seat (5) is in a position shifted backwards, especially in a position shifted backwards compared to the standard position, and the vehicle occupant is a short and/or light person, the control unit only activates the foot airbag module (16) of the second restraint element (10).

A vehicle seat for a motor vehicle has a seat system including a seat cushion and a backrest, and an airbag apparatus which has an airbag and a retaining element, which is tensioned by filling the airbag. The retaining element has a connection region in which the retaining element is coupled to the airbag. By filling, the airbag can be moved from a stowed position to a functional position in which the airbag provides impact protection for an upper body of a seat occupant in the longitudinal direction of the vehicle seat. The retaining element has an additional connection region in which the retaining element is coupled to a retaining device of the vehicle seat. The retaining device is spaced apart from the backrest in the longitudinal direction of the vehicle seat.

The invention describes a vehicle occupant restraint system (2) comprising a control unit and at least two restraint elements (8, 10) for the protection of lower extremities (6, 6′, 7, 7′) in the area of a footwell (4) of a vehicle of a vehicle occupant seated in a particular vehicle seat of the vehicle, wherein a first restraint element (8) is configured as a knee airbag module (12), wherein a second restraint element (10) is provided for mounting into the footwell (4) of the vehicle, especially in an area of the footwell (4) of the vehicle arranged in the vehicle longitudinal direction (x) ahead of the knee airbag module (12), wherein, in a situation of restraint, the control unit can differentiate between different situations, wherein the control unit, in the situation of restraint, activates at least the first restraint element (8) and, depending on the given situation, additionally activates the second restraint element (10) and/or a partial element of the first restraint element (8) and/or a partial element of the second restraint element (10).

An airbag system for restraining an occupant of a vehicle during a vehicle impact comprises at least a first airbag and a second airbag, each of the first and second airbags being inflatable upon deployment and comprising a mounting means for mounting the first and second airbags in an occupant compartment of the vehicle; a restraint surface arranged to contact and restrain at least a region of a vehicle occupant in the event of a vehicle impact; and an airbag reaction surface, wherein the airbag reaction surface of the first airbag is arranged, during airbag deployment, to react against the airbag reaction surface of the second airbag so that the first and second airbags provide mutual airbag support for one another through the airbag reaction surfaces.

A protection system comprises at least one inflatable safety structure, each associated with a gas generator that can be activated by an external command, wherein the external command comprises an electrical signal from an automated system that is responsible for the critical safety functions of a vehicle, corresponding to predictive information about an impact. The gas generator is configured to generate a gas over a time period such that the total inflation time of the inflatable structure is greater than 50 milliseconds. The inflatable structure may be waterproof.

A side airbag device is provided in a seat back of a vehicle seat. The side airbag device includes: a primary airbag configured to be inflated and deployed forward and in an up-and-down direction from an outer portion of the seat back in a vehicle width direction; and a secondary airbag connected to an inner portion of the primary airbag in the vehicle width direction, communicating with the primary airbag through a first communication hole, and configured to be inflated and deployed inward in the vehicle width direction from the primary airbag. The first communication hole is at least partially arranged more forward than a front surface of the outer portion of the seat back in an inflated and deployed state of the primary airbag. The secondary airbag comes in contact with a front surface of the seat back in an inflated and deployed state of the secondary airbag.