chamber and a carrier having first and second gas generators each being coupled to the inlet opening the first gas generator is configured to be ignited to lift the active bonnet a first time and the second gas generator is configured to be ignited independently of the first gas generator to lift the active bonnet a second time application_number US 201213454400 A description the following detailed description of the invention is merely exemplary in nature and is not intended to limit embodiments of the invention or the application and uses furthermore there is no intention to be bound by any theory presented in the preceding background or the following detailed description fig1 schematically shows a motor vehicle with an engine bonnet 1 which is held in a raised position compared to a normal position in which it is flush with adjacent body parts 6 by actuators 5 3 arranged adjacent to the front or rear edge of the bonnet 4 2 the bonnet 1 is supported exclusively by the actuators 3 5 fig2 shows a perspective exploded view of one of these actuators 3 5 it comprises an elongated cylinder 7 which carries two fastening flanges 8 for the assembly of the cylinder 7 on a.