Patent ID: 8888127

Claim:
A protective device for protecting an occupant of a vehicle, the protective device comprising an airbag and an inflator for inflating the airbag, the inflator being connected to the airbag via a feed pipe for feeding inflation fluid for the purpose of inflating the airbag under predetermined conditions; wherein the protective device further comprises expulsion means for expelling the fluid, which expulsion means co-operate with at least one detection means for detecting a predetermined event so as to act when such a predetermined event occurs to remove the fluid resulting from inflation of the airbag subsequently to inflation of the airbag, the airbag being provided with a peripheral elastic strap for optimizing the deflation of the airbag when the expulsion means allow the fluid to be removed from the airbag; the inflator being connected to the airbag via the feed pipe, and a control unit connected to the inflator, the control unit instructing the inflator to inflate the airbag under the predetermined conditions; and wherein the control unit includes an electrical battery and a changeover switch that are connected in series to the inflator, the expulsion means being connected electrically to the inflator and to the control unit.