What Is Airbag And How Airbags Work?!

How Airbags WorkHow Airbags Work

An airbag is a vehicle safety device. It is a type of occupant restraint system that consists of a flexible fabric bag, also known as an airbag cushion. The airbag module is designed to inflate rapidly then quickly deflate during a collision or impact with another object or a sudden deceleration. The purpose of the airbag is to provide occupant protection and restraint during a crash event.

What Is Airbag And How Airbags Work?!

After a vehicle collision has been detected, airbags inflate faster than you can blink your eye. The airbags in the vehicle are controlled by a central Airbag control unit(ACU). The ACU monitors a number of related sensors within the vehicle, including impact sensors, wheel speed sensors, brake pressure sensors, and seat occupancy sensors. The bag itself and it’s inflation mechanism is concealed within the steering wheel boss (for the driver), or the dashboard (for the front passenger), behind plastic flaps or doors which are designed to “tear open” under the force of the bag inflating. Once the requisite ‘threshold’ has been reached or exceeded, the airbag control unit will trigger the ignition of a gas generator propellant to rapidly inflate a fabric bag.

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