Passenger Airbag Active Vent: Notes
Passenger airbag active vent
*Configuration and working principle of Passenger airbag active vent
Configuration and working principle of Passenger airbag active vent
Passenger Air bag module (hereinafter referred to PAB) is located in the passenger crash pad.
This PAB contains 2 firing squibs of airbag and 1 firing squib of active vent.
Depending of crash speed or the tightening of seat belt, it is decided a timing about both 2 firing squibs of airbag and 1 firing squib of active vent.
At the moment of vehicles collisions, the firing squib of active vent make airbag distended and then consecutively leaked gases of airbag through a hole at once.
These operations reduce a injury of passengers head.
At first, the active vent sets a rapid deployment of airbag by keeping the pressure. after deployment of airbag it emits the gases of upper airbag.
The Working Principle of Tether Cutter: When receive an electrical signal, Tether Cutter cuts a strap which is been attached Active vent in order to open a hole of upper airbag.