FIELD: transport.
SUBSTANCE: power cylinder with trigger mechanism and damped backstroke is intended for protection device built into vehicle to protect pedestrian in case of front collision. Power cylinder contains piston (15) and gas generator (19) containing fast burning pyrotechnic charge, and additionally contains more slowly burning pyrotechnic charge (38) in comparison with pyrotechnic charge of the mentioned gas generator (19).
EFFECT: smooth bonnet return to initial position.
11 cl, 2 dwg
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