using a variable source, e.g. plural stage or controlled output (hybrid inflators B60R21/272)

Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks > Occupant safety arrangements or fittings > Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags > characterised by the inflation fluid source or means to control inflation fluid flow > using a variable source, e.g. plural stage or controlled output

Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks (safety belts or body harnesses in vehicles B60R22/00; seats constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats, B60N2/42; energy-absorbing arrangements for hand wheels for steering vehicles B62D1/11; energy-absorbing arrangements for vehicle steering columns B62D1/19) > Occupant safety arrangements or fittings > Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags ( connection of valves to inflatable elastic bodies B60C29/00) > characterised by the inflation fluid source or means to control inflation fluid flow > using a variable source, e.g. plural stage or controlled output (hybrid inflators B60R21/272)