ЭЛЕМЕНТ ПОГЛОЩЕНИЯ ЭНЕРГИИ ДЛЯ УЗЛА БАМПЕРА ТРАНСПОРТНОГО СРЕДСТВА И СПОСОБ РЕГУЛИРОВАНИЯ ЕГО ЖЕСТКОСТИ

摘要

An energy absorbing member for a bumper assembly of a vehicle includes an open-celled foam. A magnetorheological fluid is disposed in the open-celled foam. A magnetic field source selectively controls a magnetic field in the open-celled foam. The open-celled foam includes cell walls and the magnetorheological fluid coats the cell walls and defines open cells unfilled by magnetorheological fluid.