Patent ID: 7938438

Claim:
A side airbag module for an automotive vehicle comprising a bag ( 11 ) which can be inflated with the gas produced by a generator when a collision occurs, and which is configured to be deployed between a vehicle occupant and a vehicle body, wherein: a. the bag ( 11 ) comprises a front panel ( 21 ) intended to make contact with an occupant, a rear panel ( 23 ), and at least one inner panel ( 25 ) forming a first chamber ( 13 ) with the rear panel ( 23 ) and a second chamber ( 15 ) with the front panel ( 21 ) in which at least one vent hole ( 19 ) is included; b. the inner panel ( 25 ) includes a duct ( 39 ) allowing the passage of gas from the first chamber ( 13 ), where the gas from the generator is received, to the second chamber ( 15 ) during the deployment of the bag ( 11 ), and is located in a position which, upon the front panel ( 21 ) moving closer to the inner panel ( 25 ) during the contact of the bag ( 11 ) with the occupant, allows it to be blocked for the purpose of maintaining a sufficient gas volume inside the bag ( 11 ) preventing the occupant from reaching the vehicle body; and c. a second inner panel ( 27 ) to form together with the front panel ( 21 ) and the rear panel ( 23 ) a third chamber ( 17 ) in the lower part of the bag ( 11 ).