TRIGGERED-STROKE ACTUATOR FOR A SAFETY DEVICE INCORPORATED INTO A MOTOR VEHICLE TO PROTECT A PEDESTRIAN IN THE EVENT OF A FRONTAL IMPACT

摘要

A triggered-stroke actuator with a damped return stroke. According to the invention, the actuator houses a piston (15), and a gas generator (19) including a fast combustion pyrotechnic charge, and further houses a pyrotechnic charge (38) of combustion that is slower than the combustion of said gas generator (19).